Pulse Instruments EP2100 Instruction Manual Download Page 78

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Daily Max Time

Enter the maximum amount of accumulated on-time, in Hand or Auto modes, that the

relay can have between midnight and midnight the next day. If the time is exceeded, the

relay will deactivate, and a Daily Max Timeout alarm will be triggered. The alarm will

clear, and relay allowed to reactivate at midnight the next day.

If the relay was in Hand mode when the alarm was triggered, it will revert to whichever

HOA state it was in prior to being set to Hand.

To override the Daily Max Limit for the rest of the day, press Reset Output

Timeout.

5.3.4

Relay or Control Outputs, Bleed and Feed Control Mode

ONLY AVAILABLE IF HVAC MODES ARE ENABLED IN CONFIG MENU – GLOBAL SETTINGS

Output Details

The details for this type of output include the relay on/off state, HOA mode or Interlock status, accumulated

on-time, alarms related to this output, current cycle on time, relay type and the current control mode setting.

Settings

Touch the Edit icon to view or change the settings related to the relay.

Feed Time Limit

Enter the maximum amount of feed time per bleed event

Bleed

Select the relay to be used for Bleed/Blowdown

Daily Max Time

Enter the maximum amount of accumulated on-time, in Hand or Auto modes, that the

relay can have between midnight and midnight the next day. If the time is exceeded, the

relay will deactivate, and a Daily Max Timeout alarm will be triggered. The alarm will

clear, and relay allowed to reactivate at midnight the next day.

If the relay was in Hand mode when the alarm was triggered, it will revert to whichever

HOA state it was in prior to being set to Hand.

To override the Daily Max Limit for the rest of the day, press Reset Output

Timeout.

5.3.5

Relay or Control Outputs, Bleed then Feed Control Mode

ONLY AVAILABLE IF HVAC MODES ARE ENABLED IN CONFIG MENU – GLOBAL SETTINGS

Output Details

The details for this type of output include the relay on/off state, HOA mode or Interlock status, accumulated

on-time, remaining feed time, the accumulated bleed time, alarms related to this output, current cycle on time,

relay type and the current control mode setting.

Settings

Touch the Edit icon to view or change the settings related to the relay.

Feed Percentage

Enter the % of bleed relay activation time to use for the feed relay activation time

Feed Time Limit

Enter the maximum amount of feed time per bleed event

Reset Timer

Use this menu to cancel the current feed cycle

Bleed

Select the relay to be used for Bleed/Blowdown

Summary of Contents for EP2100

Page 1: ...EP2100 Instruction Manual ...

Page 2: ... a period of 24 months for electronics and 12 months for mechanical parts and electrodes from date of delivery from the factory or authorized distributor under normal use and service and otherwise when such equipment is used in accordance with instructions furnished by Pulse and for the purposes disclosed in writing at the time of purchase if any Pulse s liability under this warranty shall be limi...

Page 3: ...wn 39 5 0 OPERATION using the touchscreen 40 5 1 Alarms Menu 50 5 2 Inputs Menu 50 5 2 1 Contacting Conductivity 53 5 2 2 Electrodeless Conductivity 54 5 2 3 Temperature 54 5 2 4 pH 55 5 2 5 ORP 55 5 2 6 Disinfection 56 5 2 7 Generic Sensor 56 5 2 8 Corrosion Input 57 5 2 9 Corrosion Imbalance Input 58 5 2 10 Transmitter Input and AI Monitor Input 59 5 2 11 Fluorometer Input 60 5 2 12 Analog Flowm...

Page 4: ... Relay or Control Outputs Spike Control Mode 84 5 3 18 Relay or Control Outputs Output Flow Proportional Mode 85 5 3 19 Relay or Control Outputs Target PPM Control Mode 86 5 3 20 Relay PPM by Volume Control Mode 87 5 3 21 Relay Counter Timer Control Mode 88 5 3 22 Relay or Control Outputs On Off Disturbance Control Mode 89 5 3 23 Relay or Control Outputs Volumetric Blending Control Mode 90 5 3 24 ...

Page 5: ...leaning 118 7 2 Replacing the Fuse Protecting Powered Relays 119 7 3 Replacing the System Fuse For model codes with relay option 8 or 9 only 119 8 0 TROUBLESHOOTING 119 8 1 Calibration Failure 119 8 1 1 Contacting Conductivity Sensors 119 8 1 2 Electrodeless Conductivity Sensors 120 8 1 3 pH Sensors 120 8 1 4 ORP Sensors 120 8 1 5 Disinfection Sensors 120 8 1 6 Analog Inputs 121 8 1 7 Temperature ...

Page 6: ...inputs or to allow to compare values from two sensors to provide redundancy Eight or Twelve relay outputs may be set to a variety of control modes On Off set point control Time Proportional control Pulse Proportional control when purchased with Pulse solid state opto outputs Flow Proportional PID control when purchased with Pulse solid state opto outputs Lead Lag control of up to 6 relays Dual set...

Page 7: ...cess to the programming wirelessly Our USB features provide the ability to upgrade the software in the controller to the latest version The Config file feature allows you to save all the set points from a controller onto a USB flash disk and then import them into another controller making the programming of multiple controllers fast and easy The data logging feature allows you to save the sensor r...

Page 8: ...ter 1 0 Cell Contacting Conductivity Range 0 30 000 µS cm Resolution 1 µS cm 0 001 mS cm 0 1 mS m 0 0001 S m 1 ppm Accuracy 1 of Reading or 1 µS cm whichever is greater 10 0 Cell Contacting Conductivity Range 0 300 000 µS cm Resolution 10 µS cm 0 01 mS cm 1 mS m 0 001 S m 10 ppm Accuracy 1 of Reading or 10 µS cm whichever is greater Electrodeless Conductivity Range Resolution Accuracy 500 12 000 µ...

Page 9: ...less Conductivity OR Disinfection OR Amplified pH ORP or ISE Requires a preamplified signal 5VDC power available for external preamps Each sensor input card contains a temperature input Temperature 100 or 1000 ohm RTD 10K or 100K Thermistor Analog 4 20 mA Sensor Input 0 to 24 depending on model code 2 wire loop powered or self powered transmitters supported 3 or 4 wire transmitters supported Two t...

Page 10: ... on model code Opto isolated Solid State Relay 200mA 40 VDC Max VLOWMAX 0 05V 18 mA Accuracy 0 10 Hz 0 5 of Pulse Rate 10 20 Hz 1 0 20 40 Hz 2 0 4 20 mA 0 to 16 depending on model code Internally powered 15 VDC Fully isolated 600 Ohm max resistive load Resolution 0 0015 of span Accuracy 0 5 of reading Ethernet 10 100 802 3 2005 Auto MDIX support Auto Negotiation Wi Fi Radio Protocol IEEE 802 11 b ...

Page 11: ...ess variables in a wide range of water and wastewater treatment applications Operating the instrument in any way other than as described in these instructions may compromise the safety and function of the measuring system and is therefore impermissible Electrical connection work and maintenance work may only be carried out by qualified personnel The manufacturer is not liable for damage caused by ...

Page 12: ...e 0 14 7 psi 0 1 bar 32 113 F 0 45 C Corrosion 0 150 psi 0 10 bar 32 158 F 0 70 C Glass filled PP FKM o ring 3 4 NPTM Flow switch manifold 0 150 psi 0 10 bar up to 100 F 38 C 0 50 psi 0 3 bar at 140 F 60 C 32 140 F 0 60 C GFRPP PVC FKM Isoplast 3 4 NPTF Flow switch manifold High Pressure 0 300 psi 0 21 bar 32 158 F 0 70 C Carbon steel Brass 316SS FKM 3 4 NPTF pH ORP LD2 Cond Corrosion HP Cond Stee...

Page 13: ... sensor range High end of sensor range Max Disturbance Disturbance Virtual Input only Low end of sensor range High end of sensor range Value at Min Disturbance Disturbance Virtual Input only 0 100 Value at Max Disturbance Disturbance Virtual Input only 0 100 Stabilization Time Corrosion only 0 hours 999 hours Electrode Alarm Corrosion only 0 days 365 days Alloy Multiplier Corrosion only 0 2 5 0 Ta...

Page 14: ...utes Duty Cycle On Off Spike Dual Setpoint modes 0 100 On Delay Time Manual On Off Dual Setpoint modes Dual Switch Alarm modes Boolean Logic 0 seconds 23 59 59 HH MM SS Off Delay Time Manual On Off Dual Setpoint modes Dual Switch Alarm modes Boolean Logic 0 seconds 23 59 59 HH MM SS Dead Band Low end of sensor range High end of sensor range Feed duration Flow Timer Counter Timer mode 0 seconds 86 ...

Page 15: ...y Flow Prop mode 0 gal hour or l hour 10 000 gal hour or l hour Pump Setting Flow Prop mode 0 100 Specific Gravity Flow Prop mode 0 g ml 9 999 g ml Target Flow Prop mode 0 ppm 1 000 000 ppm Analog 4 20 mA Output Settings Low Limit High Limit 4 mA Value Retransmit mode Low end of sensor range High end of sensor range 20 mA Value Retransmit mode Low end of sensor range High end of sensor range Hand ...

Page 16: ...ct the contents of the carton Please notify the carrier immediately if there are any signs of damage to the controller or its parts Contact your distributor if any of the parts are missing The carton should contain an EP2100 series controller and an instruction manual Any options or accessories will be incorporated as ordered 3 2 Mounting the electronic enclosure The controller is supplied with mo...

Page 17: ... Always route low voltage sensor signals with at least a 6 15 cm separation fromAC voltage wiring The electrodeless conductivity sensor should be placed as close to the controller as possible to a maximum distance of 120 ft 37 m Less than 20 ft 6 m is recommended The cable must be shielded from background electrical noise Always route low voltage sensor signals with at least a 6 15 cm separation f...

Page 18: ...13 HEAT EXCHANGER COOLING TOWER METERING PUMPS Figure 1 Typical Installation Cooling Tower ...

Page 19: ...14 ACID BASE SUBMERSION ELECTRODE pH PROBE AC POWER FLOW OUT FLOW IN Figure 2 Typical Installation Submersion ...

Page 20: ...LVE NORMALLY OPEN RECIRCULATION PUMP ROTAMETER 30 100 LPH PROCESS WATER SAMPLE RETURN 1 ATMOSPHERE MAXIMUM FLOW SWITCH SENSOR FLOW CELL FLOW CONTROL VALVE SAMPLE VALVE Figure 3 Typical Installation Disinfection Sensor ...

Page 21: ... restrictions from the tap for the boiler skimmer blow down line to the electrode If the ID is reduced below 3 4 inch then flashing will occur beyond that point and the conductivity reading will be low and erratic Minimize the usage of tees valves elbows or unions between the boiler and the electrode 3 A manual shut off valve should be installed so that the electrode can be removed and cleaned Thi...

Page 22: ...an be opened to clear the obstruction and closed to the previous position If an orifice plate is used you must install a valve downstream from the orifice in order to fine tune the flow rate and provide additional back pressure in many applications Example An 80 psi boiler has a Required Blowdown Rate of 383 33 lbs hr The maximum flow rate of the smallest flow control valve is 3250 lbs hr 3250 x 0...

Page 23: ...Motorized Ball or Solenoid Valve Flow Control Valve or Orifice Union CONDUCTIVITY ELECTRODE TEE 2 ft minimum 1 to 3 ft maximum 10 ft max with minimal valves elbows unions To Drain Skimmer Blowdown Line 3 4 Min up to Electrode Full Port Block Valve Manual Blowdown Normally Closed Motorized Ball or Solenoid Valve Flow Control Valve or Orifice Union CONDUCTIVITY ELECTRODE TEE Flow Control Valve or Or...

Page 24: ...ximum Flow Rates in Lbs hr 1 2 150 PSI 1 2 300 PSI 3 4 150 PSI 3 4 300 PSI lbs hr 3 4 Icon Definitions Symbol Publication Description IEC 417 No 5019 Protective Conductor Terminal IEC 417 No 5007 On Supply O IEC 417 No 5008 Off Supply ISO 3864 No B 3 6 Caution risk of electric shock ISO 3864 No B 3 1 Caution ...

Page 25: ...TION 1 There are live circuits inside the controller even when the power switch on the front panel is in the OFF posi tion The front panel must never be opened before power to the controller is REMOVED If your controller is prewired it is supplied with an 8 foot 14 AWG power cord with NEMA 5 15P USA style plug A tool 2 Phillips driver is required to open the front panel 2 When mounting the control...

Page 26: ...rminal Blocks Expansion I O RS485 Terminal Block 4 WiFi Board Battery BR2032 I O Board Wiring Labels Ethernet RJ45 Digital Input Terminal Blocks Main Controller Board Display Ribbon Cable Auxiliary DC Power Terminal Block I O Slot 1 2 3 Expansion I O Auxiliary Power Board Relay Fuses only for models with powered relays Relay Terminal Blocks Power Supply Neutral Terminal Block AC Power Terminal Blo...

Page 27: ...that has a matching I O part number Either channel can support any of the sensor types listed P N 191910 SENSOR INPUT 2 TBxA SENSOR 1 TBxB SENSOR 2 1 2 ECOND CCOND pH ORPDIS RCV RCV 5V 5V XMT RCV R SHLD TEMP TEMP TEMP X SHLD SHIELD SHIELD XMT XMT TEMP TEMP TEMP TB Ch 1 3 5 7 9 10 11 12 13 18 2 4 6 8 IN IN Channel 1 I O Board Part Number Contacting Conductivity CCOND Electrodeless Conductivity ECON...

Page 28: ... ORP ISE Sensor without Optional Temperature Compensation Notes Identify P N 191910 I O Board and connect wires to the terminal blocks directly below the I O slot that the board is in Use the wiring label located on the front panel that has a matching I O part number Either channel can support any of the sensor types listed IN WHITE ORANGE IN ORANGE WHITE 5V BLUE WHITE 5V WHITE BLUE SHIELD TEMP GR...

Page 29: ...3 5 7 9 10 11 12 13 18 2 4 6 8 IN IN I O Board Part Number Shields Notes Identify P N 191910 I O Board and connect wires to the terminal blocks directly below the I O slot that the board is in Use the wiring label located on the front panel that has a matching I O part number Either channel can support any of the sensor types listed I O Board wiring labels I O Boards 1 through 4 I O Board 1 4 Term...

Page 30: ... 24V 24V 24V 24V 24V 24V COM COM 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Shields I O Board Part Number P N 191912 4 20 mA INPUT 2 TBxA INPUTS 1 2 TBxB NOT USED 1 2 24V 24V 24V 24V 24V 24V COM COM 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire ...

Page 31: ...24V 24V 24V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Channel 3 Channel 4 I O Board Part Number P N 191913 4 20 mA INPUT 4 TBxA INPUTS 1 3 TBxB INPUT 4 1 4 2 3 24V 24V 24V 24V 24V 24V 24V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XMTR XM...

Page 32: ...6 24V 24V 24V 24V 24V 24V 24V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 I O Board Part Number P N 191914 4 20 mA INPUT 6 TBxA INPUTS 1 3 TBxB INPUTS 4 6 1 4 2 5 3 6 24V 24V 24V 24V 24V 24V 24V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XM...

Page 33: ...sted Each analog output is internally powered 15 VDC fully isolated Channel 1 P N 191915 4 20 mA OUTPUT 2 TBxA OUTPUTS 1 2 TBxB NOT USED TB Ch 4 20mA Output Out 1 OUT OUT OUT OUT 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 Channel 2 I O Board wiring labels I O Boards 1 through 4 I O Board 1 4 Terminal Blocks I O Board P N Identification Labels 1 2 3 4 5 6 7 8 9 10 11 12 SHIELD SHIELD Chart Recorder PLC...

Page 34: ... internally powered 15 VDC fully isolated Channel 1 Channel 2 P N 191916 4 20 mA OUTPUT 4 TBxA OUTPUTS 1 2 TBxB OUTPUTS 3 4 TB Ch 4 20mA Output Out 1 3 OUT OUT OUT OUT 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 4 I O Board Part Number Channel 3 Channel 4 P N 191916 4 20 mA OUTPUT 4 TBxA OUTPUTS 1 2 TBxB OUTPUTS 3 4 TB Ch 4 20mA Output Out 1 3 OUT OUT OUT OUT 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 4 1 ...

Page 35: ... XMTR 24V 24V 24V OUT OUT OUT OUT 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 4 P N 191918 4 20 mA INPUT 2 OUTPUT 4 TBxA INPUT 1 OUTPUTS 1 2 TBxB INPUT 2 OUTPUTS 3 4 TB Ch 4Wire 4 20mA Output In 1 2 COM 24V Out 1 3 XMTR XMTR XMTR XMTR XMTR XMTR 24V 24V 24V OUT OUT OUT OUT 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 4 Output Channel 2 See 191913 wiring ...

Page 36: ...ify P N 191920 I O Board and connect wires to the terminal blocks directly below the I O slot that the board is in Use the wiring label located on the front panel that has a matching I O part number Either channel can support any of the sensor types listed I O Board Part Number Channel 2 P N 191920 CORROSION INPUT 2 TBxA SENSOR 1 TBxB SENSOR 2 1 2 CORROSION RCV Green MON RCV Black XMT Red MON XMT ...

Page 37: ...LOW METER TBDI I O Board wiring labels I O Boards 1 through 4 I O Board 1 4 Terminal Blocks I O Board P N Identification Labels 1 2 3 4 5 6 7 8 9 10 11 12 D1 D1 D2 D2 12V D3 D3 D4 D4 12V D5 D5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 D6 D6 12V D7 D7 D8 D8 12V D9 D9 D10 D10 12V D11 D11 D12 D12 12V Figure 17 Digital Input Wiring ...

Page 38: ...d Powered Powered Powered Powered Powered Pulse Pulse 7 Dry Dry Dry Dry Dry Dry Dry Dry N L BLK BRN WHT BLU TB9 TB11 GRN GRN YEL POWER SUPPLY 100 TO 240V NC NO If motorized ball valve WHT 120V BLU 240V BLK 120V BRN 240 V TB10 TB11 GRN 120V GRN YEL 240V Fused External Power Source BLK 120V BRN 240 V BLK 120V BRN 240 V WHT 120V BLU 240V GRN 120V GRN YEL 240V External AC Power I O Board wiring labels...

Page 39: ...rds 1 through 4 I O Board 1 4 Terminal Blocks I O Board P N Identification Labels Powered Relay Wiring Dry Relay Wiring Pulse Relay Wiring Form C Relay Wiring ALARM OK POWER External DC Power Relay Model Code 8 or 9 Relay Module Code R1 R2 R3 R4 A or H Powered Powered Powered Powered B Dry Dry Dry Dry C or K Pulse Pulse Pulse Pulse D or I Powered Powered Dry Dry E or J Powered Powered Pulse Pulse ...

Page 40: ...shows user defined fields containing input readings or status of outputs Touching any of these fields on the Home Screen will bring up the item s Details Screen where you can access calibration and setting menus or graph that parameter If more than one page of items is selected to be displayed on the Home screen it will automatically scroll between them or swiping up or down manually moves to the ...

Page 41: ...lose icon closes a menu and returns to the previous menu Confirm icon saves changes and returns to the previous menu Filter icon is used in menus to limit the choices displayed when selecting items from a list Character Delete icon erases part of an alphanumeric entry Shift icon is used for upper case characters Double Arrow icons appear in Graphs menu and move the time frame of the graph Calendar...

Page 42: ...ist of available options Swipe if necessary to find the desired option and then touch the option to highlight it Touch the Confirm icon to store the new option into memory or touch the Close icon to leave the selection at its previous value and go back The Filter icon may be used to limit the items displayed in the list Touch the Filter icon to bring up the types of I O that may be filtered and th...

Page 43: ...ettings For disinfections sensors choose the exact sensor in the Sensor menu For contacting conductivity sensors enter the cell constant Select the units of measure Enter the alarm set points and alarm deadband Set the default temperature that will be used for automatic temperature compensation if the temperature signal becomes invalid When finished with S11 touch the Close icon until the list of ...

Page 44: ...for the intended purpose the parameters that are displayed on the Home screen their size and position can be customized The default is to display the first two sensor inputs on the left side of the first page and the status of eight relays on the right side with nothing on the optional second or third page From the Configuration tab touch Display Settings and then Edit Home Screen Layout Touch the...

Page 45: ...accessed directly by touching the parameter Keep in mind that even while browsing through menus the unit is still controlling The menu structure is grouped by alarms inputs and outputs graphs and HOA Under the Configuration menu will be general settings such as the clock the language etc that do not have an input or output associated with it Each input has its own menu for calibration and unit sel...

Page 46: ... Transmitter AI Monitor Tank Level Fluorometer Flowmeter Analog Type DI State Flow Meter Contactor type Flow Meter Paddlewheel type Feed Monitor Counter Remote Modbus DI State DI Counter Calculation Virtual Input Redundant Sensor Virtual Input Raw Value Virtual Input Disturbance Virtual Input Remote Modbus Virtual Input Corrosion Rate Corrosion Imbalance Ccond S11 Temp S12 1000 µS cm 50 5 F Cond S...

Page 47: ...One Point Buffer Calibration Open Air Calibration Conductivity inputs only Zero Calibration Disinfection inputs only INPUTS 24 Hour Minimum Maximum and Averages Calibration Gain and Offset Last Calibration Type Sensor Board Two Point Buffer Calibration pH ORP inputs only Three Point Buffer Calibration pH ORP inputs only One Point Analog Calibration 4 20 mA inputs only Two Point Analog Calibration ...

Page 48: ... Input Filter Name Type Corrosion S11 S41 1 2 mpy LoLo Alarm Low Alarm High Alarm HiHi Alarm Additional Settings for Corrosion Deadband Replace Corrosion Electrode Stabilization Time Electrode Alarm Alarm Datalog Suppression Reset Calibration Values Cal Required Alarm Smoothing Factor Cycle Time Range Units Name Type Imbalance S12 S42 5 0 LoLo Alarm Low Alarm High Alarm HiHi Alarm Additional Setti...

Page 49: ... Alarm High Alarm HiHi Alarm Additional Settings for Remote Modbus Open Message Closed Message Interlock Alarm Modbus Mode Remote Device IP Data Port Reply Timeout Function Remote Register Data Type Update Period Timeout Alarm Delay Total Time Reset Time Total Alarm Suppression Name Type Contactor Type Paddlewheel Type Only if HVAC mode is disabled Calculation V1 V16 1000 µS cm LoLo Alarm Low Alar...

Page 50: ...tput Proportional control mode Analog Ouput Manual mode Analog Output Disturbance Mode Home Inputs Outputs Graphs HOA Config OUTPUTS List of Possible Outputs On Off R1 R8 Off HOA Setting Setpoint Deadband Duty Cycle Period Additional settings for On Off Mode Duty Cycle On Delay Time Off Delay Time Daily Max Time Output Time Limit Reset Output Timeout Interlock Channels Activate with Channels Minim...

Page 51: ... Leveling Wear Cycle Time Additional settings for Lag Control Mode Activation Mode Set Point Set Point 2 Deadband Delay Time Output Time Limit Reset Output Timeout Interlock Channels Activate with Channels Min Relay Cycle Hand Time Limit Reset Time Total Name Mode See section 5 3 18 Target PPM R1 R12 C1 C16 Off HOA Setting Target Pump Capacity Pump Setting Additional settings for Target PPM Contro...

Page 52: ...s Per Day Start Time Duration Input Input 2 Sensor Mode Hold Time Interlock Channels Activate with Channels Minimum Relay Cycle Hand Time Limit Reset Time Total Name Mode Only if Pulse Relay Type Only if HVAC mode is disabled Only if Pulse Relay Type Only if HVAC mode is disabled Spike Control R1 R12 C1 C16 Off HOA Setting Set point Spike Setpoint Deadband Additional settings for Spike Control Mod...

Page 53: ... Output Hand Time LimitReset Time Total Off Mode Output Error Output Input Direction Name Mode PID Control A11 A44 C1 C16 Off HOA Setting Set Point Gain Proportional Gain Additional settings for PID Control Mode Integral Time Integral Gain Derivative Time Derivative Gain Reset PID Integral Min Output Max Output Max Rate Output Time Limit Reset Output Timeout Interlock Channels Activate with Channe...

Page 54: ...ddress Network Netmask Network Gateway Security Protocol DNS Server BSSID MAC Address FCC ID IC ID Remote Communications Comm Status Data Format Data Port Verbose Logging Swipe for addional settings for Remote Communications Device ID Network File Utilities File Transfer Status Data Log Export Periodic Log Export Export Event Log Swipe for addional settings for File Utilities Export System Log Exp...

Page 55: ...tion Touch the Calibration icon to calibrate the sensor Select the calibration to perform One Point Process One Point Buffer or Two Point Buffer Calibration Not all calibration options are available for all types of sensor One Point Process Calibration New Value Enter the actual value of the process as determined by another meter or laboratory analysis and touch Confirm Cal Successful or Failed If...

Page 56: ...ion Enter the temperature of the buffer and press Confirm Second Buffer Value does not appear if automatic buffer recognition is used Enter the value of the buffer being used Rinse Electrode Remove the sensor from the process rinse it off and place it in the buffer solution Touch Confirm when ready Stabilization When the temperature if applicable and signal from the sensor is stable the controller...

Page 57: ...y move to the next step Cal Successful or Failed If successful touch Confirm to put the new calibration in memory The calibration adjusts the offset gain slope and calibration midpoint and displays the new values If failed you may retry the calibration or cancel Refer to Section 7 to troubleshoot a calibration failure Resume Control Replace the sensor in the process and touch Confirm when ready to...

Page 58: ...back to factory defaults Cal Required Alarm To get an alarm message as a reminder to calibrate the sensor on a regular schedule enter the number of days between calibrations Set it to 0 if no reminders are necessary Alarm Datalog Suppression If any of the relays or digital inputs are selected any alarms related to this input will be suppressed if the selected relay or digital input is active At th...

Page 59: ...arying the length of the cable Gauge The cable length compensation depends upon the gauge of wire used to extend the cable Cell Constant Do not change unless instructed by the factory The Pulse sensor is 6 286 Sensors made by others are not supported Range Select the range of conductivity that best matches the conditions the sensor will see Temp Compensation Select between the standard NaCl temper...

Page 60: ...if calibration buffers will be manually entered or if they will be automatically detected and if so which set of buffers will be used The choices are Manual Entry JIS NIST Standard DIN Technical or Traceable 4 7 10 Default Temp If the temperature signal is lost at any time then the controller will use the Default Temp setting for temperature compensation Cable Length The controller automatically c...

Page 61: ...g Factor Increase the smoothing factor percentage to dampen the response to changes For example with a 10 smoothing factor the next reading shown will consist of an average of 10 of the previous value and 90 of the current value Cable Length The controller automatically compensates for errors in the reading caused by varying the length of the cable Gauge The cable length compensation depends upon ...

Page 62: ...measurement cycle the elapsed time in the current cycle the raw uncalibrated corrosion rate the number of days in service of the electrodes the calibration offset the date of last calibration and the type of input Settings Touch the Edit icon to view or change the settings related to the sensor Alarms Low Low Low High and High High Alarms limits may be set Deadband This is the Alarm Deadband For e...

Page 63: ...inum 1100 0 94 A91100 Aluminum 2024 0 88 A92024 Phosphorized Admiralty Brass 1 68 C44500 Aluminum Silicon Bronze 1 48 C64200 Aluminum Brass 1 62 C68700 Copper Nickel 90 10 1 80 C70610 Copper Nickel 70 30 1 50 C71500 AISI 4130 Alloy Steel 1 00 G41300 Lead 2 57 L50045 Monel 400 Nickel 1 13 N04400 Monel K500 Nickel 1 04 N05500 Hastelloy C22 0 85 N06022 Inconel 600 Nickel 0 95 N06600 Incoloy Alloy 20 ...

Page 64: ...g units of measure Settings Touch the Edit icon to view or change the settings related to the sensor Alarms Low Low Low High and High High Alarms limits may be set Deadband This is the Alarm Deadband For example if the High Alarm is 7 00 and the deadband is 0 1 the alarm will activate at 7 01 and deactivate at 6 90 Transmitter Select the type of transmitter connected 2 wire loop powered 2 wire sel...

Page 65: ...e connected The choice of Analog Input is only avail able if that type of sensor card is installed 5 2 12 Analog Flowmeter Input Settings Touch the Edit icon to view or change the settings related to the sensor Alarms Low Low Low High and High High Alarms limits may be set Deadband This is the Alarm Deadband For example if the High Alarm is 7 00 and the dead band is 0 1 the alarm will activate at ...

Page 66: ...nput will show no data for the duration of the activation Units Enter the units of measure for the transmitter Tank Capacity Enter the capacity of the tank when full in the units of measure entered above Empty At Enter the mA output of the level sensor when the tank is empty Full At Enter the mA output of the level sensor when the tank is full Smoothing Factor Increase the smoothing factor percent...

Page 67: ...are selected any alarms related to this input will be suppressed if the selected relay or digital input is active At the same time all datalogs and graphs containing the input will show no data for the duration of the activation Reset Flow Total Enter this menu to reset the accumulated flow total to 0 Touch Confirm to accept Cancel to leave the total at the previous value and go back Set Flow Tota...

Page 68: ...e Each Feed Monitor input can be linked to any type of output channel powered relay dry contact relay solid state relay or analog 4 20 mA to validate chemical feed from any type of pump Total Alarm The EP2100 monitors the total feed and activates a Total Alarm if the value exceeds the Totalizer Alarm set point When used in conjunction with Scheduled Reset selections Daily Monthly or Annually this ...

Page 69: ...l take precedence for pump control Automatic output control will continue despite the alarm conditions only if Maintain is selected for both mode settings Interlocking or Activating any Control Output with a Feed Monitor Input Digital Input channels are available for selection as Interlock Channels or Activate With Channels by any output If a Feed Monitor is selected in this manner the Digital Inp...

Page 70: ... in user defined units date and time of last total reset alarms and the current type of input setting Settings Touch the Edit icon to view or change the settings related to the virtual input Alarms Low and High Alarm limits may be set Deadband This is the Alarm Deadband For example if the High Alarm is 100 and the deadband is 1 the alarm will activate at 100 and deactivate at 99 Totalizer Alarm A ...

Page 71: ... Modbus Mode Select Server Mode is the Modbus application will write the value to the input on its own schedule Select Client if the controller will ask the Modbus application for the latest value Remote Device IP Client mode only Enter the IP address of the device that will provide the Modbus data Data Port Client mode only Enter the data port to be used by the Modbus TCP connection Reply Timeout...

Page 72: ... 2 selection is Constant Enter the value Calculation Mode Select a calculation mode from the list Alarm Datalog Suppression If any of the relays or digital inputs are selected any alarms related to this input will be suppressed if the selected relay or digital input is active At the same time all datalogs and graphs containing the input will show no data for the duration of the activation Low Rang...

Page 73: ... alarm will trigger Deadband This is the Alarm Deadband For example if the Deviation Alarm is 1 00 and the deadband is 0 1 the alarm will activate if the sensor readings are 1 01 units apart and deactivate at 0 89 units apart Alarm Datalog Suppression If any of the relays or digital inputs are selected any alarms related to this input will be suppressed if the selected relay or digital input is ac...

Page 74: ...r s impact on a control output that is using a different real sensor A common example is controlling pH based upon a pH input signal but modifying control based upon the flow rate with a Disturbance Type Virtual Input defining the impact of the flow rate on the control output Based on the disturbance input channel selection minimum and maximum disturbance input readings and de fined multiplier val...

Page 75: ... HAS BEEN SET TO MODBUS The Remote Modbus sensor virtual input is used to simulate a sensor by obtaining the sensor value from a Modbus application via Modbus TCP This information can be used to activate a control output be logged or graphed in exactly the same way as a physical sensor Input Details The details for this type of input include the current value alarms the minimum maximum and average...

Page 76: ...e Edit icon to view or change the settings related to the relay Settings that are available for any control mode include HOA Setting Select Hand Off or Auto mode by touching the desired mode Output Time Limit Enter the maximum amount of time that the relay can be continuously activated Once the time limit is reached the relay will deactivate until the Reset Output Timeout menu is entered Reset Out...

Page 77: ...nds Set the time to 00 00 00 to immediately deactivate the relay Input Select the sensor to be used by this relay Direction Select the control direction Daily Max Time Enter the maximum amount of accumulated on time in Hand or Auto modes that the relay can have between midnight and midnight the next day If the time is exceeded the relay will deactivate and a Daily Max Timeout alarm will be trigger...

Page 78: ...Daily Max Time Enter the maximum amount of accumulated on time in Hand or Auto modes that the relay can have between midnight and midnight the next day If the time is exceeded the relay will deactivate and a Daily Max Timeout alarm will be triggered The alarm will clear and relay allowed to reactivate at midnight the next day If the relay was in Hand mode when the alarm was triggered it will rever...

Page 79: ...orithm will change from the normal set point to the Spike Set Point for the programmed time Once the time expires control to the normal set point resumes Basic Biocide Operation When a biocide event triggers the algorithm will first prebleed if a prebleed is programmed for the set amount of prebleed time or down to the set prebleed conductivity Then the biocide relay is turned on for the set durat...

Page 80: ...eat the event Daily 1 Week 2 Week 4 Week or None An event means that the output is turned on at the same time of day for the same amount of time and except for the Daily cycle on the same day of the week Week Only appears if Repetition is longer than 1 Week Select the week during which the event will occur Day Only appears if Repetition is longer than Daily Select the day of the week during which ...

Page 81: ...put current cycle on time relay type and the current control mode setting Settings Touch the Edit icon to view or change the settings related to the relay Set point Enter the sensor process value at which the relay will be off for the entire Sample Period Proportional Band Enter the distance that the sensor process value is away from the set point at which the relay will be on for the entire Sampl...

Page 82: ...ntermittent Sampling cycle step alarms related to this output current cycle on time relay type the live reading of the conductivity and the current control mode setting Settings Touch the Edit icon to view or change the settings related to the relay Set point Enter the conductivity value below which the controller will not start a blowdown cycle Proportional Band only shown if trap sample is enabl...

Page 83: ...is relay Direction Set the control direction 5 3 13 Relay or Control Outputs PID Control Mode ONLYAVAILABLE IF CONTROLLER INCLUDES PULSE OUTPUT HARDWARE HVAC MODE IS DISABLED The PID algorithm controls a solid state relay using standard Proportional Integral Derivative control logic The algorithm provides feedback control based on an error value continuously calculated as the difference between a ...

Page 84: ...is set to Auto mode If the controller is switched to Off mode the value no longer accumulates but it is not cleared Therefore PID control will resume where it left off if the controller is switched from Off back to Auto Similarly accumulation of the Control Integral will be suspended if the output is interlocked and resume after the lock out is removed Bumpless Transfer When the output is switched...

Page 85: ...the Gain Form setting is Parallel this unitless value is multiplied by the normalized error current process value versus set point to determine the proportional component of the calculated output percent Integral Time When the Gain Form setting is Standard this value is divided into the integral of the normalized error area under the error curve then multiplied by the Gain to determine the integra...

Page 86: ...has not been satisfied Enter the length of the duty cycle in minutes seconds in this menu Set the time to 00 00 if use of a duty cycle is not required Duty Cycle Enter the percentage of the cycle period that the relay will be active Set the percentage to 100 if use of a duty cycle is not required On Delay Time Enter the delay time for relay activation in hours minutes seconds Set the time to 00 00...

Page 87: ...The cur rent week number and day of the week is displayed even if there is no multi week repetition event programmed Cycle Time shows the time counting down of the currently active part of the timer cycle Settings Touch the Edit icon to view or change the settings related to the relay Event 1 through 10 Enter these menus to program timer events via the menus below Repetition Select the time cycle ...

Page 88: ...ock status accumulated on time alarms related to this output current cycle on time relay type and the current control mode setting The cur rent week number and day of the week is displayed even if there is no multi week repetition event programmed Cycle Time shows the time counting down of the currently active part of the timer cycle Settings Touch the Edit icon to view or change the settings rela...

Page 89: ...n interlock condition This will prevent delayed events which can potentially cause problems in they do not occur at the correct time Activate With Conditions Activate with channels settings override the relay control but do not change the operation of the timer control The relay activation duration timer continues counting when the timer relay is forced on and ends at the expected time event start...

Page 90: ... Daily Select the day of the week during which the event will occur Start Time Enter the time of day to start the event Duration Enter the amount of time that the relay will be on Input Select the sensor to be used by this relay Direction Select the control direction Daily Max Time Enter the maximum amount of accumulated on time in Hand or Auto modes that the relay can have between midnight and mi...

Page 91: ...ivates for a calculated time to achieve a target PPM level The user enters the target PPM the volume of water to trigger the chemical feed and the data necessary to calcu late the pump on time required to maintain the target PPM in that volume of water Pump On Time sec Accumulator Setpoint gal or l x Product Level x 0 0036 Cycles x Pump Rating gal or l hr x Pump Setting x Specific Gravity g cm3 Pu...

Page 92: ...nd midnight the next day If the time is exceeded the relay will deactivate and a Daily Max Timeout alarm will be triggered The alarm will clear and relay allowed to reactivate at midnight the next day If the relay was in Hand mode when the alarm was triggered it will revert to whichever HOA state it was in prior to being set to Hand To override the Daily Max Limit for the rest of the day press Res...

Page 93: ...wer limit for cycles of concentration if used The calculated on time is limited to a maximum value if the cycles of concentration gets too low Daily Max Time Enter the maximum amount of accumulated on time in Hand or Auto modes that the relay can have between midnight and midnight the next day If the time is exceeded the relay will deactivate and a Daily Max Timeout alarm will be triggered The ala...

Page 94: ... to this output current cycle on time input value current setpoint disturbance input value relay type and the current control mode setting Settings Touch the Edit icon to view or change the settings related to the relay Set point Enter the sensor process value at which the relay will activate Deadband Enter the sensor process value away from the set point at which the relay will deactivate Duty Cy...

Page 95: ...Enter the volume through the flow meter with the relay deactivated Blend Volume Enter the volume through the flow meter with the relay activated Flow Input Select the flowmeter input to be used to control this output Disturbance Input Select the virtual input or analog output to be used to multiplied by the control setpoint Blend Volume Daily Max Time Enter the maximum amount of accumulated on tim...

Page 96: ...s activated based on the state of two inputs using AND OR or Inverse operators The inputs to the algorithm can be the state of relay or virtual outputs as well as the state of digital or remote Modbus digital inputs If more than two state inputs are necessary a virtual Boolean output can be used as an input to another Boolean control relay Output Details The details for this type of output include...

Page 97: ...an On Off relay R2 is set for Lag mode with a Lead output of R1 R3 is set as an additional Lag mode relay with a Lead output of R2 thus creating an ordered chain of three relays in the Lead Lag group R1 R2 R3 After the group is defined the Lead output R1 operates with the standard On Off Control func tionality The last Lag mode relay in the chain R3 offers various settings that are used to define ...

Page 98: ...elated output is immediately turned off if available other outputs in the Lead Lag group are activated instead Maintain When a Flow Verify alarm is activated other outputs in the Lead Lag group are ac tivated instead if they are available if no other outputs are available or if addition al outputs are required due to Output Activation Mode settings output s reporting a Flow Verify alarm may still ...

Page 99: ... activation modes can be selected to control the status of additional output s based on either elapsed time alternate setpoints and or alternate switch inputs Disabled No action is taken to activate more than one output within the Lead Lag group of outputs This mode is used when a group of Lead Lag outputs exists only to provide backup in case of a Flow Verify failure on one of the pumps or if a p...

Page 100: ... that is used to specify one or more digital input or relay output channels that activates an additional output Switch based activation mode incorporates time based activation and can also be configured to trigger an additional output if available after a specified delay time This menu selection is available only when the Lead output is using Manual control mode Example 1 A lift station includes a...

Page 101: ...utput Also the control mode of an output that is the Lead output for a Lead Lag group cannot be changed to one of these types If selected the controller will be unable to save the change and an error message will be added to system log Output Details The details for this type of output include the relay on off state relay status HOA mode Interlock from sensor cal ibration probe wash or other condi...

Page 102: ... continuously activated Once the time limit is reached the relay will deactivate until the Reset Output Timeout menu is entered Reset Output Timeout Enter this menu to clear an Output Timeout alarm and allow the relay to control the process again Name The name used to identify the relay may be changed Mode Select the desired control mode for the output Several standard settings that are available ...

Page 103: ...point deadband is satisfied On Delay Off Delay If the Lead output with a control mode of On Off Dual Setpoint or Manual has ei ther an On or Off Delay Time setting specified the delay will be managed for the Lead output only If one or more Lag outputs provide Backup or Wear Leveling support the Delay Times would also effect these outputs However if additional Lag Output s are energized due to Acti...

Page 104: ...hemical feed in proportion to Flow Adjusted for pH If the incoming flow is variable but the pH of the water is relatively constant feed the chemical using Flow Propor tional control mode with the Disturbance Input using the pH reading to provide a multiplier to adjust the output This is primary feedforward control with a feedback trim No Trigger is required Alternate Control During Upset Condition...

Page 105: ...Control Outputs Proportional Control Mode Output Details The details for this type of output include the output HOA mode or Interlock status accumulated on time alarms related to this output current cycle on time relay type and the current control mode setting Settings Touch the Edit icon to view or change the settings related to the output Set point Enter the sensor process value at which the out...

Page 106: ...or this control relay Cycles Input Select the virtual input that is programmed as a Ratio calculation of the system conductivity makeup conductivity or select None Low Cycles Limit Enter the lower limit for cycles of concentration if used The calculated on time is limited to a maximum value if the cycles of concentration gets too low 5 3 31 Analog or Control Outputs PID Control Mode ONLYAVAILABLE ...

Page 107: ...lculation the controller software must maintain a running total of the accumulated area under the error curve Current Integral The sign of the value added to the accumulated Current Integral during each cycle may be positive or negative based on the current Direction setting as well as the relative values of the current process reading and the set point Override Control The Current Integral accumu...

Page 108: ...tings related to the output Set Point Numeric entry of a process value used as a target for PID control The default value units and display format number of decimal places used during data entry are defined based on the Input channel setting selected Gain When the Gain Form setting is Standard this unitless value is multiplied by the total of the proportional integral and derivative terms to deter...

Page 109: ...ault Gain Form Select the PID Equation Format used to enter tuning parameters 5 3 32 Analog Output Manual Mode Output Details The details for this type of output include the analog output HOA mode or Interlock status accumulated on time alarms related to this output current cycle on time and the current control mode setting Settings Touch the Edit icon to view or change the settings related to the...

Page 110: ...con Local Password Used to change the touchscreen password needed for full configuration capability if security has been enabled The default local password is 5555 This can and should be changed using this menu if Security is enabled 5 4 3 Ethernet Settings Will not appear if a WiFi Only type WiFi card is installed Ethernet Status Select Enabled or Disabled Gateway Connection Only appears if a Dua...

Page 111: ...oot Certificate that documents the path or chain of trust that links the server certificate to an authority in addition to the private key and server certificate Apply SSL Certificate Files Only appears if Webserver Mode is HTTPS Once the Default Cert has been selected or the PEM files are imported the network IT administrator touches Apply SSL Certificate Files to force a restart of the webserver...

Page 112: ...nection when it is attached to the con troller The controller will either be able to connect to a Local Area Network LAN via Infrastructure Mode or it will be able to connect to a PC tablet or cell phone via Ad Hoc Mode It will not be able to have a wired Ethernet connection to a LAN or cellular gateway device and also connect to a tablet via Ad Hoc Mode This configuration is inherently more secur...

Page 113: ...ode Select whether the controller s wireless network card will broadcast its SSID or not TCP Timeout Do not change from the default of 1 second unless directed to by technical service The TCP Timeout should only be increased if the Fluent live connection is being Reset due to slow cellular connection speed Temporary Ad Hoc Infrastructure Mode Enable if it is desirable to allow the controller to di...

Page 114: ...Modbus feature and register map refer to the separate Modbus instruction manual For a complete description of the BACnet features that are supported refer to the separate BACnet Protocol Imple mentation Conformance Statement Comm Status Select Modbus or BACnet to enable one of the protocols or Disabled Data Format Modbus Only Select to receive Modbus data in Standard Float format or Float Inverse ...

Page 115: ...n attachment or Disabled to receive a text only alarm report email Select Alarms Only appears if Report Type is Alarm Only appears if the Alarm Mode is set to Selected Alarms Select an Input or Output channel System Alarm or Network Alarm then touch the check box for individual alarms that will trigger an email to the list of recipients Repeat for as many as desired Alarm Delay Only appears if Rep...

Page 116: ...mode after 10 minutes of no activity or if manually activated Activate Splash Protection Manually active splash protection mode without waiting 10 minutes by touching this menu and confirming that choice Adjust Display Change the contrast and the brightness by touching the arrow keys If the display becomes unreadable it is possible to reset the defaults by powering down and pressing the bottom rig...

Page 117: ... to a USB stick This records hardware changes software upgrades automatic calibrations power loss system level issues etc Export User Config File The User Configuration file contains all settings for the controller Enter this menu to save the controller s settings to a USB stick or download the file to a computer if using the web interface for using later to restore settings to this controller or ...

Page 118: ... thermistor The acceptable range is 10 to 75 C Controller Temp 2 Displays the temperature of the second controller thermistor The acceptable range is 10 to 75 C Relay Board Temp Displays the temperature of the relay board thermistor The acceptable range is 10 to 75 C Processor Temp Displays the temperature of the controller board processor The acceptable range is 10 to 75 C DI Temp Displays the te...

Page 119: ...g input flowmeter type digital input total flow and or flow rate if applicable or analog output value to show on the the left side of the graph Low Axis Limit The graph auto scales based on the sensor value if both Low and High Axis Limit are set to 0 To manually adjust the left Y axis scale enter the low limit here High Axis Limit The graph auto scales based on the sensor value if both Low and Hi...

Page 120: ...om the Main menu touch Config then touch Ethernet Settings then touch Controller IP Address Enter the IP address provided by the administrator of the LAN then touch the Confirm icon Repeat for the Network Netmask and Network Gateway settings Cycle power to the controller 6 2 Connecting Directly to a Computer Connect the controller s network card to the computer using a CAT5 cable with RJ45 connect...

Page 121: ...in Menu links there may be links to the instruction manual Pulse website and Fluent website that are useful if the controller is connected to the Internet At the bottom there is a Log Out link The Ethernet connection only supports four simultaneous users If users do not log out their session will stay active until it times out the time is set in the Security menu and other users may be denied acce...

Page 122: ...ssful Complete Or not successful Failed Downloading upgrade file showing number of bytes downloaded of total number of bytes Then if successful Complete Or not successful Failed Validating upgrade file Then if successful Complete Or not successful Failed Upgrade in progress showing each individual step in the upgrade installation When the upgrade installation is complete the login webpage will app...

Page 123: ...stallation In a new installa tion it is recommended that the electrode be cleaned after two weeks of service To determine how often the elec trode must be cleaned follow the procedure below 1 Read and record the conductivity 2 Remove clean and replace the conductivity electrode 3 Read conductivity and compare with the reading in step 1 above If the variance in readings is greater than 5 increase t...

Page 124: ...ning Use of non approved fuses can affect product safety approvals Specifications are shown below To en sure product safety certifications are maintained it is recommended that a Pulse fuse be used For Relay Option 8 FUSE 15A 5x20mm Fast Acting 250V Pulse P N 104442 For Relay Option 9 FUSE 20A 5x20mm Slow Blow 250V Pulse P N 104443 8 0 TROUBLESHOOTING CAUTION Disconnect power to the controller bef...

Page 125: ...ct wiring Incorrect temperature reading or setting Ensure that the temperature is accurate Incorrect cable length or wire gauge setting Set to the correct values Faulty electrode Replace electrode Faulty preamplifier Replace preamplifier 8 1 4 ORP Sensors The calibration will fail if the adjustment to the gain is outside of 0 5 to 1 5 or if the calculated offset is outside of 300 to 300 Possible C...

Page 126: ...if the corrosion rate or imbalance value entered is outside the range of 0 to 5 times the corrosion rate Range setting Possible Cause Corrective Action Improper wiring of sensor to controller Correct wiring Range settings is too low Increase the Range setting Electrode tips have not conditioned long enough Allow time for electrodes to condition Old electrodes Replace electrodes and consider settin...

Page 127: ...open or closed state generates an alarm The alarm message may be customized The most common use for this will be a Flow Switch Possible Cause Corrective Action No flow Check piping for closed valves blockage etc Check recirculation pump Faulty flow switch cable Check with ohmmeter Faulty controller Check by shorting digital input in controller TOTALALARM Occurs if the flow meter or feed monitor to...

Page 128: ...larm is set when a second biocide or timer event occurs while one event is still running either in prebleed biocide add or post biocide add lockout in the case of the biocide timer mode An event skipped alarm is also set when the timer relay never turns on during an event because of an interlock condition The alarm is cleared when the relay is next activated for any reason the next timer event or ...

Page 129: ...attempts to send data to Fluent and Fluent fails to acknowledge receipt of the data Possible Cause Correction Action No connection to LAN Connect Ethernet cable to LAN Wrong IP subnet and or gateway address Program valid settings for LAN in the controller or use DHCP if supported by the LAN LAN is blocking outside access Program LAN s router to open access Network card failure See above SENSOR CAL...

Page 130: ...control mode is not possible for the installed power relay board Possible Cause Correction Action The power relay board has been removed and replaced with an incorrect model Reinstall the correct board or reprogram the output to a valid type for the board installed Fluent LIVE CONNECT ERROR This alarm occurs if the controller is unable to establish an encrypted connection to the Fluent server If t...

Page 131: ... data within the programmed Timeout Alarm Delay time Possible Cause Corrective action No Ethernet connection to the Modbus application Check wiring Invalid Modbus communications settings Check settings Timeout Alarm Delay time is too short Increase delay time MESSAGE ERROR This alarm occurs if the Remote Modbus Input receives an error message from the Modbus application instead of the requested da...

Page 132: ...Troubleshoot that particular alarm FRONT PANEL GREEN LED Indicates status of the software application Normal operation is that 5 seconds after power up it is on If it is not doing this Possible Cause Correction Action Controller software is not running Try a power cycle to reset it Faulty controller board Replace controller board CONTROLLER BOARD D1 LED Indicates status of the software application...

Page 133: ...If not behaving this way Possible Cause Corrective Action Sensor card locked up Try a power cycle to reset it Sensor card not seated correctly Unplug the card and plug it back in Ribbon cable not seated correctly Unplug the ribbon cable at each end and plug it back in Faulty ribbon cable Replace ribbon cable Faulty sensor card Replace sensor card RELAY BOARD D3 LED Indicates the status of the 12VD...

Page 134: ... service If a controller is not functioning properly circuit boards may be available for exchange after the problem has been isolated Pulse Instruments will provide a Return Material Authorization RMA number for any products being returned to the factory for repair Repairs are generally completed in less than one week Repairs that are returned to the factory by next day air freight will receive pr...

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Pulse Instruments EP2100, Instruction Manual

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