Signet 8900 Manual Download Page 32

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Signet 8900 Multi-Parameter

Relay Output Rate:

0 to 100 Pulses/min.

endpoint

Pulse rate

0 pulses

100 pulses

Starting point

Proportional Pulsing

•

Proportional Pulse mode varies the frequency of pulses in direct
proportion to minimum and maximum setpoints.

•

The 8900 does not allow use of this mode for Pressure applications.

Example:
•

The output will be 0 pulses/min. at process values less than 5.0.

•

The output will be 50 pulses/min. when the process value is 7.5.

•

The output will be 100 pulses/min. at process values above 10.

20%

40%

60%

80%

100%

Relay Pulse Width

(as a % of Relay period)

PWM
minimum
range

PWM
maximum
range

Relay is
always OFF

Relay is

always ON

Process value

Pulse Width Modulation

•

PWM automatically varies the ratio of ON time to OFF time
proportional to minimum and maximum range settings.

•

The relay period is the sum of the time a relay is ON and the
time it is OFF.

•

Relay pulse width is the time the relay is ON.

•

The 8900 must be programmed with the relay period, and with
the low and high setpoints.

•

The 8900 does not allow use of this mode for Pressure
applications.

Example:
•

The pulse width will be 0% of the relay period (relay always OFF)
when the process value is less than the minimum range.

•

The pulse width will be 100% of the relay period (relay always
ON) when the process value is greater than the maximum range.

•

The pulse width will be 60% of the relay period when the process
value is at 60% of the span between the minimum and maximum
range.

Volumetric Pulse

•

A pulse is generated each time a specifi ed volume of fl uid is
registered. For fl ow inputs only.

Totalizer Volume

•

Relay activates and latches when a specifi ed volume of fl uid
is registered. For fl ow inputs only.

•

Total Volume mode counts the TOTALIZER Units until the
setpoint volume is reached, then activates the relay until the
resettable totalizer is reset.

•

If the Resettable Totalizer reading is greater than the
setpoint, the relay will be activated immediately. The relay
will be relaxed when the totalizer is reset to zero.

•

This mode is useful to trigger a reminder when a process is
due, as for a backwash cycle or fi lter change.

Advanced

•

Relay is activated when a set of three conditions (a, b and c)
are met. See detailed explanation in Section 11.2.

Relay 1 Operator:

( a &(b | c) ) >

Summary of Contents for 8900

Page 1: ... to be connected to equipment which can be hazardous to persons and property if used incorrectly Read and understand all associated equipment manuals and safety warnings before using with this product Do not remove rear panel slot shields if the modules are not installed Remove power to unit before wiring input and output connections Wiring connections to this product should only be performed by q...

Page 2: ...cm ft in Volume 99999 to 999999 cm3 m3 in3 ft3 gal L lb kg 1 Specifications Dimensions Splashproof Rear Cover 3 8050 395 Removable Terminals Mounting panel Panel gasket 120 mm 4 73 in 188 mm 7 4 in 141 mm 5 54 in 96 mm 3 8 in 92 mm 3 6 in 3 8900 620 100 240VAC 50 60Hz 24VA MAX 12 24 VDC 0 7 A MAX N L Power Connection DO NOT attempt to connect both AC and DC at the same time C NO NC NO NC C Solid S...

Page 3: ...re Back lit LCD 10 C to 55 C 14 F to 131 F Storage Temp 15 C to 80 C 5 F to 176 F Relative Humidity 0 to 95 non condensing Maximum Altitude 2 000m 6 560 ft 4 000m 13 123 ft use only DC power supply and if applicable solidstaterelaystomaintainULsafety standard up to this altitude Enclosure Rating NEMA 4X IP65 front face only Relay Modules Modes of operation Internal Relays Off Low High Window Vol P...

Page 4: ...onductivity sensors include temperature sensors These secondary measurements are treated by the 8900 as separate sensors with respect to display output and relay functionality but they do NOT consume separate input channels SIGNET FLOW 515 525 2537 2536 2540 2100 2000 2507 2551 2551 2552 2552 Freq Freq Freq Freq Freq Freq Freq Freq Freq Paddlewheels Turbine Mini Micro Flow Insertion Magmeters digi...

Page 5: ... Outputs 1 2 d Slot for the required Power Module Choose one 1 to power the unit with either universal AC line voltage or 12 to 24 VDC e Slot for an optional Output Module Choose Analog Outputs 3 4 or neither f Slot for an optional Relay Module Choose Relays 1 2 or not g Slot for another optional Relay Module Choose Relays 3 4 or not h External Relay Modules connect via digital S3 L to the I O Mod...

Page 6: ...nti static bags and contain individual instruction sheets and removable terminals for convenient wiring Minimize handling of plug in modules to reduce the probability of damage due to static discharge Power Modules include adhesive labels to be applied to the outside of the 8900 enclosure in specific locations as illustrated in section 4 2 The rear panel of the 8900 must be removed prior to instal...

Page 7: ...nalog Output 1 Analog Output 2 if applicable if applicable Frequency Input 1 Frequency Input 2 OR S3L Input 2 S3L Input 1 3 8900 621C I OModule3 8900 401 X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5VDC Black Freq Input Red GND White Shield 5VDC Black Freq Input 2 Red S L Red GND White Shield 5VDC Black S L Red GND White Shield 3 3 Analog Output 1 Analog Output 2 if applicable if applicable Frequency Input...

Page 8: ...s 1 2 to be installed in order to use Relays 3 4 However in accordance with the labeling on the rear panel relays installed directly into the 8900 via these plug in modules will always be identified in the 8900 menus as Relays 1 2 and 3 4 respectively The red LED relay status indicators on the front panel of the 8900 are hardwired to Relays 1 2 If the slot for Relays 1 2 is vacant the red LEDs wil...

Page 9: ...nsor wiring congestion at the 8900 See the 8059 instruction manual for details External Relays mount on DIN rail inside a panel and can be tested remotely from the 8900 or locally with switches built in for convenience They also include LED relay status indicators but the status of these and all relays is available at all times in a single screen in the 8900 View mode Any and all relays are freely...

Page 10: ... 23 45 µS cm L2 16 58 ft Quick clip gasket on front side of panel 3 8050 395 Splashproof rear cover panel terminals mounting bracket OUT 2 OUT 1 POWER COMM PORT OUT 4 OUT 3 RELAY 2 RELAY 1 RELAY 4 RELAY 3 S E N S O R I N P U T S C NO NC NO NC C C NO NC NO NC C N L BLK RED SHLD BLK RED S L SHLD BLK S L SHLD 3 3 AC ONLY Panel Cutout 92 x 92 mm 0 8 0 mm 3 6 x 3 6 in 0 031 0 in Panel Cutout 92 x 92 mm...

Page 11: ...e 8900 with a Splashproof rear cover to a solid wall or bulkhead Powder coated aluminum black 3 2 mm 0 125 in thick Mfr Part No Description 3 5000 598 Shelf pipe mount bracket DIN instrument Use for surface mount installations under a shelf or on a counter or rack Powder coated aluminum black 3 2 mm 0 125 in thick Nylon straps or other suitable fasteners may be used to secure this bracket to a pip...

Page 12: ...is dependent upon the output signal strength of the sensors themselves and the degree to which the signals are susceptible to EMI or noise This is largely a function of whether the sensors are self powered or powered by an external source All of the sensors in the table below are compatible with the 8900 The three models limited to 60 m 200 ft are self powered sensors The 8900 automatically provid...

Page 13: ... Multi drop Daisy chain 3 8900 621C I O Module 3 8900 401 X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5VDC Black Freq Input Red GND Shield 5VDC Black Freq Input 2 Red S L Red GND White Shield 5VDC Black S L Red GND White Shield 3 3 Analog Output 1 Analog Output 2 if applicable if applicable Frequency Input 1 Frequency Input 2 OR S3L Input 2 S3L Input 1 S L Branch 1 S L Branch 2 How to Wire Digital S3 L Sen...

Page 14: ...or one branch of the digital S3 L bus The top section references AWG cables the lower section is based on METRIC cables Dividing the sensors between two branches will greatly increase the maximum cable length of each branch Example 40 mA total on one branch can sustain 70 ft of cable 20 mA on two branches can sustain 140 ft on each branch Maximum Cable AWG Power Supply Current mA AWG Ω ft 1 2 4 10...

Page 15: ...Black Freq Input 2 Red S L Red GND White Shield 5VDC Black S L Red GND White Shield 3 3 Analog Output 1 Analog Output 2 if applicable if applicable Frequency Input 1 Frequency Input 2 OR S3L Input 2 S3L Input 1 S3L Sensor S3L Sensor S3L Sensor 3 8900 621C I O Module 3 8900 401 X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5VDC Black Freq Input Red GND Shield 5VDC Black Freq Input 2 Red S L Red GND White Shie...

Page 16: ...l S3 L inputs no frequency inputs can be added to this system One 8059 External Relay Module can be added to the bus regardless of the number of digital S3 L sensors present 3 8900 621C I O Module 3 8900 401 X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5VDC Black Freq Input Red GND Shield 5VDC Black Freq Input 2 Red S L Red GND White Shield 5VDC Black S L Red GND White Shield 3 3 Analog Output 1 Analog Outp...

Page 17: ...Mechanical Relays Rating 5A 250 VAC 5A 30 VDC CAUTION 6 4 Output Module 3 8900 405 X The 8900 will support up to four analog outputs Analog outputs 3 4 are obtained via these separate plug in modules Analog outputs 1 2 are located on selected I O Modules and are also wired as shown here COMM PORT OUT 4 OUT 3 Active 4 to 20 mA loop wiring COMM PORT OUT 4 OUT 3 0 to 5 VDC output wiring COMM PORT OUT...

Page 18: ...se PWM modes 400 pulses per minute prop pulse mode Max voltage rating 30 VDC or 42 VAC p p Current rating 50 mA DC or 50 mA AC RMS On state impedance 30 ohms or less Off state leakage 400 nA or less AC or DC Isolation Up to 48 VDC or 48 VAC p p Transient protection Embedded up to 48 V over voltage Dry contact Relays mechanical contacts Type SPDT Form C Max pulse rate 600 pulses per minute volumetr...

Page 19: ...etween these modes View View mode is normal operation for the 8900 After system setup is completed all measurement values for each channel plus the status of any analog outputs and relays will be available See Section 8 4 Automatic Display Configurations and Section 8 5 Other Automatic Displays for details Menu Directory The Menu Directory provides access to seven separate menus for set up and ope...

Page 20: ... a 10 minute timeout from this item back to the first measurement display screen Menu Directory Menu Directory System Setup 7 2 System Configuration Selecting this item will initiate an auto scrolling inventory of the plug in modules installed in the unit Sensor Inputs of channels System Config Outputs 1 2 type or None Power VAC or VDC Comm Out 3 4 type or None Relays 1 2 type or None External Rel...

Page 21: ...ch time the 8900 is powered on See the following page for additional information 8 1 System Setup Channel Type Example Set Channel 1 to operate as a Flow Channel 1 Start from View Mode normal operation In a new unit the View display depends on the type of I O module 2 Hold the ENTER key for 2 seconds When the display shows Menu Directory System Setup release then press ENTER again 3 Press the RIGH...

Page 22: ... Digital S3 L sensors are detected at every power up and placed on a list that identifies each by type and serial number When new digital S3 L sensors are detected the 8900 displays Found New S3 L Devices then Loading Please wait When completed the display shows how many sensors are connected and whether a Relay Module is detected Manual override option The Load S3 L Devices function in the System...

Page 23: ...ted by the underscore Relays will remain or become inactive error condition until properly assigned in the Relay menu or until a true error affecting relay source is remedied There is a 10 minute timeout from this item back to the first measurement display screen The Autoscroll feature overrides the 10 minute timer Memo The second line of this screen is alphanumerically editable up to 15 character...

Page 24: ...1 Maximum 99999 Cannot be zero Select decimal resolution for Totalizer displays XXXXXXXX XXXXXXX X XXXXXX XX Lock On EDIT code required to reset the Resettable totalizer to zero Lock Off No EDIT code required to reset the Resettable totalizer to zero Dampens display output and relay response rates for this channel Off Near instantaneous updates Low 4 s Med 8 s Hi 32 s Set the units of measure for ...

Page 25: ...elect decimal resolution for pH TEMPERATURE display XXXXX XXXX X XXX XX If this channel type is pH and the sensor is 4 to 20 mA set the minimum and maximum setpoints ORP1 Average Med 9 3 Channel Settings If Channel Type ORP If this channel type is ORP and the sensor is 4 to 20 mA set the minimum and maximum setpoints Dampens display output and relay response rates for this channel Off Near instant...

Page 26: ...cimal location for this conductivity display XXXXX XXXX X XXX XX XX XXX X XXXX Nominal setting is 2 change in conductivity for each 1ºC shift from 25ºC Maximum setting is 9 99 per C C1 Units µS cm 9 4 Channel Settings If Channel Type Conductivity If this Channel is CONDUCTIVITY and the sensor is 4 to 20 mA set the minimum and maximum setpoints Dampens display output and relay response rates for th...

Page 27: ...response rates for this channel Off Near instantaneous updates Low 4 s Med 8 s Hi 32 s Dampens display output and relay response rates for this channel Off Near instantaneous updates Low 4 second averaging Med 8 second averaging Hi 32 second averaging P1 Average Med T1 Average Med If this Channel is PRESSURE and the sensor is 4 to 20 mA set the minimum and maximum setpoints If this Channel is TEMP...

Page 28: ...cm3 m3 in3 ft3 gal lit lb kg Yes Volumetric measurements will be displayed as a percentage of full scale No Volumetric measurements will be displayed as units selected in previous setting If Volume measurement will be displayed a percentage set the full scale value 100 in units of measure If a pressure sensor is used for Level measurement enter the specific gravity of the fluid L1 Units ft Show L1...

Page 29: ...ted enter the diameter of the cylinder 0 0000 to 99999 If Horiz Cylinder or Rectangular shape is selected enter the length of the vessel 0 0000 to 99999 If Rectangular shape is selected enter the width of the vessel 0 0000 to 99999 V1 Width 2 0000 ft Dampens display output and relay response rates for this channel Off Near instantaneous updates Low 4 s Med 8 s Hi 32 s Automatic Enter Volume only f...

Page 30: ... when the Channel Type is OTHER 4 20 The information here will appear as the full name of the channel NOTE If the last character in the label is the label will be centered on the display If the name is less than 11 characters an asterisk MUST be placed at the end of the name Example Turbidity Select a two character abbreviation for the channel Example DO Set the value to be represented by 4 mA inp...

Page 31: ... X X X Difference X X X X X X Ratio X X X X X X Reject X X X X X X Passage X X X X X X Recovery A X X X X X X Recovery B X X X X Recovery C X X X X Power 2 X X X X Power 4 X X X X Multiple X X X X X Hysteresis Time Low Setpoint Process Hysteresis Time High Setpoint Process High Limit Hysteresis Hysteresis Window Time Low Limit Process Low Relay is activated when the process variable is less than t...

Page 32: ...nts The 8900 does not allow use of this mode for Pressure applications Example The pulse width will be 0 of the relay period relay always OFF when the process value is less than the minimum range The pulse width will be 100 of the relay period relay always ON when the process value is greater than the maximum range The pulse width will be 60 of the relay period when the process value is at 60 of t...

Page 33: ...elay 1 Rng max 45 000 GPM Relay 1 Mode Low Relay 1 SetPnt 10 0 GPM Relay 1 Rng min 25 000 GPM Relay 1 Period 5 0 secs Relay 1 Delay 1 0 sec Relay 1 maxRate 120 pls min Relay 1 Volume 100 00 Gallons Relay 1 P Width 0 1 secs Relay 1 Logic N O Test Relay 1 If relay mode is High Low Window or USP Enter hysteresis If relay mode is High Low Window or USP Enter the trigger time delay The relay will activ...

Page 34: ...on Channel 3 is less than 5 Condition b The pH on Channel 4 is greater than 8 5 Condition c The Level on Channel 6 is greater than 18 When operating properly all three of these conditions are FALSE If any one of them becomes TRUE then Relay 1 will be activated Relay 1 will remain activated until the TRUE condition becomes FALSE again including the hysteresis band Relay 1 Source2 pH4 Relay 1 Mode 2...

Page 35: ... card is installed Set the low end setpoint 4 mA If Current output card is installed Set the high end setpoint 20 mA Adjust the output current at low end setpoint 3 8 to 5 0 mA Adjust the output current at high end setpoint 19 0 to 21 0 mA Output 1 Source Flow 1 Output 1 Range 0 5Vdc Output 1 0Vdc 25 000 GPM Output 1 5Vdc 25 000 GPM Adjust 1 Low 0 V Adjust 1 High 5 V Output 1 4mA 25 000 GPM Output...

Page 36: ...r Volume Successful volumetric calibration Press ENTER to accept the new K Factor or press UP DOWN keys simultaneously to escape without saving and return to Enter Volume F1 Cal Method Volume Rate based calibration Select RATE CALIBRATION to match the dynamic flow rate to an external reference Entering a rate will modify the existing K Factor Indicates that the flow sensor is not generating any pu...

Page 37: ...ument is selected reset Standard Slope and Temperature to factory calibration 13 2 Calibration If Channel type pH ORP1 Cal at Sensor 13 3 Calibration If Channel type ORP Set pH1 Std Set pH1 Slope Set Temperature T1 Reset pH1 to Factory Cal SENSOR Select to perform calibration at the sensor via 2750 EasyCal INSTRUMENT Select to perform calibration at the 8900 via the steps below If Cal at Instrumen...

Page 38: ...ty sensor to match a reliable reference Maximum offset allowed is 20 C Select YES to set reading to zero at ambient atmospheric pressure Maximum offset allowed is 2 75 psi Set Zero P2 Adjust the pressure to match a reliable reference Must be 3 psi above zero point Maximum offset allowed is 2 75 psi Reset the pressure calibration to factory setting Set Temperature T2 13 5 Calibration If Channel typ...

Page 39: ...s the UP UP UP DOWN keys pressed in sequence This access code is designed to protect the 8900 from unintentional changes It is best suited for systems where a group of people need to be able to change settings Enhanced Password The enhanced password default setting is 0 0 0 0 adjustable to any 4 digit numerical code up to 9999 Using a personal password provides the maximum degree of security Enhan...

Page 40: ...urement 2 Sum Measurement 1 Measurement 2 Passage and Reject are derived from conductivity measurements only specifically for use in reverse osmosis systems Passage is the amount of contaminates remaining in the product water compared to the level of contaminates in the feed water For example if the feed water measures 100 μS and the product water measures 5 μS the Passage is 5 100 x 100 or 5 Reje...

Page 41: ...te menu if the sensor is located at Z zero reference point Level L Definition The distance from Z zero reference point to surface of fluid L 0 O ffset 0 Z ero SLoc L 0 O ffset 0 Z ero SLoc L 0 SLoc O ffset 0 Z ero 2450 Pressure Sensor Location and Offset Z Z For horizontal cylinders only the zero reference point MUST be the lowest point in the vessel For most vessels the zero reference point may b...

Page 42: ... located at all transition points in the vessel shape for example at custom point 9 where the shape changes from a cylinder to a cone The more complex sections should be defined with more points Notice that the conical section of the illustration has been defined by custom points 1 through 9 Simpler sections require fewer defining points Note that the cylinder requires only custom points 9 and 10 ...

Page 43: ...e section on the right Calculating a Linear Temperature Coefficient 1 Set TC Mode to NONE see SETUP menu 2 Heat a sample solution close to the maximum process temperature Place sensor in the sample solution and allow several minutes for stabilization Record the 8900 temperature and conductivity values in the spaces provided Displayed temperature T1 _______ C Displayed conductivity C1 _______ μS 3 ...

Page 44: ...NITS must be set to μS 2 In the OPTIONS menu The TC Mode of the USP channel must be set to None If a relay is constantly on when it should be off check relay settings listed above Example The USP setpoint is 40 The water temperature is 19 ºC so the USP limit is 1 0 μS The relay will be activated when the conductivity value reaches 0 6 μS or 40 below the 1 0 USP limit If the water temperature drift...

Page 45: ...he menu 3 item Clone Instrument Press the right arrow key to toggle the selection choices 4 Press the ENTER key when the 5 Yes selection is flashing to proceed The message 6 All Settings Will be Changed will be displayed for about 3 seconds The message 7 Are You Sure will be followed by the previous message and will also be displayed for about 3 seconds DO NOT press the ENTER key yet The Receiving...

Page 46: ... ENTER 3 key NOTE This step must occur within 7 seconds of the previous step You should see the following message displayed Requesting Data From Host The message 4 Transmitting Data is shown on the Transmitting Controller s display while data transfer is in progress The display on the Receiving Controller will remain the same as in step 3 above When the following message 5 Transfer Complete is dis...

Page 47: ...ower unit Choose J s W kW BTU m BTU h kBTU h Default is kW Select energy unit Choose J kJ MJ GJ kWh MWh BTU kBTU MBTU Default is kWh Select heat capacity value Default is 4 1840 kJ kg K Set Function 2 to operate as Power 2 Select T2 T3 as the source for the Differential measurement To switch from heating to cooling mode just change the order of the Delta Temperature Sources For example Change the ...

Page 48: ...s set to Standard This is displayed when the wrong password is entered Warning messages are displayed when a channel type is changed If trying to enter the Calibration menu when no channel types are selected Indicates a faulty sensor connection or a channel with no sensor assigned The 8900 advises when a value is outside of the range allowed If Password Type is set to Enhanced These messages refer...

Page 49: ...connected but has not been assigned to a channel Self explanatory Pressure calibration cannot be done at zero pH calibration buffers must be at least 2 pH units apart Messages displayed when LOAD S3L DEVICES is selected If a relay is in PWM mode the period must be greater tha 0 1 seconds and less than 3240 seconds If a relay is in Proportional Pulse mode the mimimum pulse rate is 1 the maximum rat...

Page 50: ...50 Signet 8900 Multi Parameter Notes ...

Page 51: ...51 Signet 8900 Multi Parameter Notes ...

Page 52: ... or one 3 8900 405 1 159 000 883 Two passive 4 to 20 mA outputs 3 8900 405 2 159 000 884 Two active 4 to 20 mA outputs 3 8900 405 3 159 000 885 Two 0 to 5 10 VDC outputs Accessories Mfr Part No Code Description 3 8050 1 159 000 753 Universal Mount Junction Box 3 8050 2 159 000 754 Universal Mount Junction Box w EasyCal for use with 2750 3 8050 392 159 000 640 Panel adapter 1 2 DIN to 1 4 DIN 3 805...

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