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FRONT PANEL LAYOUT

Figure 1.1

PPI

OP1

OP2

OP3

Upper Readout

Lower Readout

Output-3 Indicator

ENTER Key

UP Key

DOWN Key

PAGE Key

Output-1 Indicator

Output-2 Indicator

Soak Status
Indicator

Balance Soak
Time Indicator

zenex

The front panel contains digital readouts, LED indicators and keys.

READOUTS

The Upper Readout is a 4 digit, 7-segment bright red LED display and usually displays the PV (Process Value). In Program

Mode, the Upper Readout displays parameter values/options.

The Lower Readout is a 4 digit, 7-segment bright green LED display and usually displays SP (Control Setpoint) Value. In

Program Mode, the Lower Readout displays parameter names (prompts).

INDICATORS

The Table 1.1 lists each front panel LED and the associated status.

Table 1.1

Status

Indicator

Glows while the Lower Readout shows the Balance Soak Time in Main display

mode.

• Flashes while the Soak Timer is counting down.

• Glows steadily while the Soak Timer is outside the Timer Start Band or Hold

Band (that is, HOLD state).

• Indicates Output-1 ON/OFF status if the Control Output is Relay or SSR

drive.

• Remains OFF if the Control Output is DC Linear.

OP1

• Indicates Output-2 status if OP2 function is Auxiliary / Blower Control.
• Flashes Alarm-1 status if OP2 function is Alarm.

OP2

OP3

• Indicates Output-3 status if OP3 function is Auxiliary Control.
• Flashes Alarm-2 status if OP3 function is Alarm.

User Manual

zenex

Section 1

Содержание Zenex

Страница 1: ...zenex User Manual Universal Self Tune PID Temperature Controller with Programmable Timer...

Страница 2: ...N PARAMETERS 11 6 OP3 FUNCTION PARAMETERS 14 7 PID CONTROLPARAMETERS 16 8 SOAK TIMER PARAMETERS 18 9 SUPERVISORYPARAMETERS 21 10 HARDWAREASSEMBLYAND CONFIGURATIONS 24 11 MECHANICALINSTALLATION 30 12 E...

Страница 3: ...n Program Mode the Lower Readout displays parameter names prompts INDICATORS TheTable 1 1 lists each front panel LED and the associated status Table 1 1 Status Indicator S T Glows while the Lower Read...

Страница 4: ...p mode DOWN UP ENTER Press to store the set parameter value and to scroll to the next parameter on the PAGE Press to increase the parameter value Pressing once increases the value by one count holding...

Страница 5: ...issued Optimize command by the user for optimization of the PID constant values While the controller is Tuning Optimizing the Lower Readout flashes the message Busy The user is advised not to disturb...

Страница 6: ...tatus Accessing Operator Page Adjusting Parameters Step through the following sequence to open the operator page and to adjust the operator parameter values 1 Press and release PAGE key The Lower Read...

Страница 7: ...ter Description Settings OP2 Function Alarm 1 ALARM 1 SETPOINT Process High Process LowAlarm 1 Setpoint Min to Max Range for the Input Type ALARM 1 DEVIATION BAND Positive or Negative Alarm 1deviation...

Страница 8: ...for the Input Type Positive or Negative Alarm 2 deviation band ALARM 2 DEVIATION BAND 1999 to 9999 or 199 9 to 999 9 SymmetricalAlarm 2 window band ALARM 2 WINDOW BAND 3 to 999 or 0 3 to 99 9 OP3 Func...

Страница 9: ...first parameter 5 Use UP DOWN keys to adjust the parameter value The display flashes if UP key is pressed after reaching the maximum value or DOWN key is pressed after reaching the minimum value 6 Pr...

Страница 10: ...step through the following sequence Locking 1 Press and release PAGE key while the controller is in the MAIN Display Mode The Lower Readout shows PAGE and the Upper Readout shows 0 2 Use UP DOWN keys...

Страница 11: ...algorithm tends to maintain the PV at SP by either switching the output say Heater fully OFF or fully ON The On and Off switching is differentiated by the user settable Hysteresis Band PID The contro...

Страница 12: ...as DC Linear Voltage Applicable for OP1 as DC Linear Current Relay SSR Solid State Relay User Manual zenex Min Range to Setpoint High for the selected Input Type Option What it means Range Min to Max...

Страница 13: ...iation Band value Window Band The alarm activates if the PV deviation from SP is greater than the set Window Band value in either direction End Of Soak The OP2 Relay SSR is switched ON for the time du...

Страница 14: ...akAlarm Sets time duration in seconds for which the alarm shall activate upon end of soak timer 5 to 250 Seconds Default 10 OP2 Function Auxiliary Control User Manual zenex Parameter Description Setti...

Страница 15: ...Offset Value 0 to 250 or 0 0 to 25 0 Default 0 HYSTERESIS Differential dead band between the blower ON and OFF states 1 to 250 or 0 1 to 25 0 Default 2 or 0 2 TIME DELAY This parameter is mainly used...

Страница 16: ...ive Deviation Band value Window Band The alarm activates if the PV deviation from SP is greater than the set Window Band value in either direction End Of Soak The OP2 Relay SSR is switched ON for the...

Страница 17: ...otherwise Reverse The Output remains ON for PV above Setpoint and OFF otherwise Parameter Description Settings Default Value LOGIC Normal TheAlarm output Relay SSR remains ON under alarm condition OFF...

Страница 18: ...Proportional band is defined in terms of process value deviation from the setpoint also known as process error Within the band the output power is varied from maximum 100 at maximum deviation to minim...

Страница 19: ...n load power supply fluctuations etc fast enough so as retain the process value near the setpoint The derivative time determines how strong the output power will change in response to the rate of chan...

Страница 20: ...ter issuance of start command the timer starts counting down once the PV enters the process band around SP defined by this parameter value 0 to 9999 or 0 0 to 999 9 Default 5 or 0 5 HOLDBACK STRATEGY...

Страница 21: ...Command the count down starts only after the PV reaches within timer Start Band The timer start band is a symmetrical band centered around the SP For example for a start band of 2 C and SP value of 1...

Страница 22: ...on until a start command is issued End of Soak Events The output Relay SSR modules OP2 and or OP3 can be configured as End of Soak Alarm with a settable alarm duration That is upon completion of SoakT...

Страница 23: ...takes longer to reach the SP Decreases the value if the overshoot persists 1 0 to 2 0 1 2 Default SELF TUNE ON SETPOINT CHANGE Enable Re tune the controller if there is a substantial large change in t...

Страница 24: ...is fitted functional Serial Communication The optional utility module is RS485 RS232 serial communication port Soak Start The optional utility module is Digital Input potential free contact closure fo...

Страница 25: ...WRITE ENABLE Yes The Read Write parameters can be accessed for both reading and writing No The Read Write parameters can only be accessed for reading That is the parameter values cannot be altered thr...

Страница 26: ...SERIAL COMMS SSR DC Linear RELAY N O N C C P P I L N AC DC SUPPLY GND A B AUXILIARY SP SELECTION The Figure 10 1 below shows the controller outer case viewed with front label upright ELECTRONICASSEMBL...

Страница 27: ...CTION Figure 10 2 RemovingAssembly from Enclosure With the controller upright hold the Bezel with the fingers on the pullout grips provided on the left and right sides of the bezel Pull the bezel outw...

Страница 28: ...Output 2 and Option Modules fit into plugs provided on Power supply PCB whereas the Output 3 Module fits into plug provided on the CPU PCB OUTPUT 2 OUTPUT 3 Modules and Jumper Settings The Output 2 an...

Страница 29: ...ler and a few identifying components shown in figures to help locate the plugs for the modules Ensure that the socket snap fits into the plug and the 2 projected parts on the module fit into the 2 slo...

Страница 30: ...ounting Output 3 Module Output Module Projections P P I Plug Socket Connector Slots CPU Board Front Label Upside down z e n e x PI P Plug Socket Connector Projected Parts Slots Output Module Power Sup...

Страница 31: ...n the Serial Communication Auxiliary SP module To plug or unplug the module simply insert or remove the socket into or from the plug Mounting Serial Communication Auxiliary SP Selection Module Figure...

Страница 32: ...tatic or electromagnetic interference 4 The controller should not be subject to direct vibration or shock 5 The controller should not be exposed to dust salt air direct sunlight or radiant heat OUTER...

Страница 33: ...rward until it is firmly in contact with the rear face of the mounting panel and the tongues of the clamp engage in the ratchets on the controller enclosure as shown in Figure 11 3 Ensure that the spr...

Страница 34: ...AY NO NC C OUTPUT 2 RS 485 L N AC DC SSR SUPPLY NO NC C RELAY OUTPUT 1 zenex 48X48 2 Output Version 3 Output Version 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 OUTPUT 1 Pt100 T C INPUT OUTPUT 3 SSR...

Страница 35: ...d SSR Output Connect and terminals of SSR to terminals 11 10 respectively Use Zero Crossover 3 to 30 VDC operated SSR mA V Output The Positive of mA V is available atTerminal 6 the Negative atTerminal...

Страница 36: ...se RS232 RS485 converter as a bridge Figure 12 6 15 14 User Manual zenex Figure 12 4 a Relay Output 18 17 16 NO C NC 18 17 16 SSR Output Figure 12 4 b Relay Output 9 8 7 NO C NC 9 8 7 SSR Output Refer...

Страница 37: ...35 zenex 96X96 User Manual zenex96...

Страница 38: ...s the Balance Soak Time in Main display mode Flashes while the SoakTimer is counting down Glows steadily while the Soak Timer is outside the Timer Start Band or Hold Band that is HOLD state Indicates...

Страница 39: ...DOWN UP ENTER Press to store the set parameter value and to scroll to the next parameter on the PAGE Press to increase the parameter value Pressing once increases the value by one count holding presse...

Страница 40: ...lay PCB is behind the bezel The electronic assembly can be removed from the plastic enclosure and placed back as described and illustrated in Figure 2 1 Section 2 P P I zenex96 NO C RELAY SSR DC Linea...

Страница 41: ...odules 1 2 3 1 2 3 Relay SSR Output Type Jumper Setting B Jumper Setting A 1 2 3 1 2 3 Figure 2 2 User Manual zenex96 Mounting Un Mountion of Modules The Figure 2 2 Illustrates how to mount output 2 m...

Страница 42: ...Serial Communication Auxiliary SP module To plug or unplug the module simply insert or remove the socket into or from the plug Mounting Serial Communication Auxiliary SP Selection Module Figure 2 3 CN...

Страница 43: ...rom the REAR SIDE with the controller label upright Figure 3 1 User Manual ELECTRICAL CONNECTIONS Section 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 zenex 96X96 Pt100 T C INPUT OUTPUT 1 NO NC C RE...

Страница 44: ...mA V is available atTerminal 6 the Negative atTerminal 4 OUTPUT 2 Alarm Blower Auxiliary Control OUTPUT 3 Alarm Auxiliary Control The numbers in brackets indicates the terminal numbers for Output 3 U...

Страница 45: ...In such cases use RS232 RS485 converter as a bridge Figure 3 6 15 14 Figure 3 4 a Relay Output 18 17 16 NO C NC 18 17 16 SSR Output Figure 3 4 b Relay Output 9 8 7 NO C NC 9 8 7 SSR Output Refer Figur...

Страница 46: ...a n e t Process Precision Instruments 101 Diamond Industrial Estate Navghar Vasai Road E Dist Palghar 401 210 Maharashtra India 0250 2391722 33 37 42 07498799226 09321985369 support ppiindia net sales...

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