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22

 User Manual

Zenex-ultra

DESCRIPTIONS

The back panel connections are described as under:

INPUT 

(Terminals : 1, 2, 3)

The Indicator accepts Thermocouples (J, K, T, R, S, B, N), 3-wire RTD Pt100 and DC Linear Current/Voltage (mA/mV/V) as 

input. 

Thermocouple

Connect Thermocouple Positive (+) to terminal 1 and Negative (-) to terminal 2 as shown in Figure 

12.2 (a). Use the correct type of Thermocouple extension lead wires or compensating cable for the 

entire distance ensuring the correct polarity throughout. Avoid joints in the cable.

3

2

1

Figure 12.2 (a)

RTD Pt100, 3-wire

Connect single leaded end of RTD bulb to terminal 1 and the double leaded ends to terminal 2 and 3 

(interchangeable) as shown in Figure 12.2 (b).

 

Use copper conductor leads of very low resistance 

ensuring that all 3 leads are of the same gauge and length. Avoid joints in the cable.

3

2

1

Figure 12.2 (b)

DC Linear Voltage (mV / V)

Use a shielded twisted pair with the shield grounded at the signal source for connecting mV / V 

source. Connect common (-) to terminal 2 and the signal (+) to terminal 1, as shown in Figure 12.2 

(c). 

Figure 12.2 (c)

3

2

1

DC Linear Current (mA)

Use a shielded twisted pair with the shield grounded at the signal source for connecting mA source. 

Connect common (-) to terminal 2 and the signal (+) to terminal 1, as shown in Figure 12.2 (d). 

Make  sure  that  the  Jumper  Pins  for  Input  selection  are  shorted  using  the  Shorting-Link  (Refer 

S

ection 10 Hardware Assembly and Configurations, Input-Jumper Settings).

Figure 12.2 (d)

3

2

1

OUTPUT-1

 (Terminals : 4, 6)      

DC Linear Current / Voltage Output

The DC Linear (0/4-20 mA) Current or (0-5/10V) Voltage output is also available at Terminal 6 (+) 

and Terminal 4 (-) for Retransmission (Recorder) output. Refer Figure 12.3.

Figure 12.3

6

5

4

OUTPUT- 2 

(Terminals  : 7, 8,  9)  

OUTPUT- 3 

(Terminals  : 16, 17, 18)

The Output-2 and Output-3 are available through plug-in modules that can be configured as Relay or SSR through appropriate 

Jumper Settings. The connection descriptions are shown in figures 12.4(a) and 12.4(b).

Summary of Contents for Zenex-ultra

Page 1: ...Ultra Precision 0 01 C Self Tune PID Temperature Controller with Programmable Timer User Manual Zenex ultra...

Page 2: ...GES PARAMETERS 4 INSTALLATION PARAMETERS 5 5 CONFIGURATION PARAMETERS 6 6 SUPERVISORYPARAMETERS 7 7 OP 2 FUNCTION PARAMETERS 8 8 OP 3 FUNCTION PARAMETERS 10 9 11 PID CONTROLPARAMETERS 10 HARDWAREASSEM...

Page 3: ...Manual Zenex ultra FRONT PANEL LAYOUT Figure 1 1 PPI zenex ultra OP1 OP2 OP3 Upper Readout Lower Readout OP 3 Indicator ENTER Key UP Key DOWN Key PAGE Key OP 1 Indicator OP 2 Indicator S T Soak Statu...

Page 4: ...2 1 PV ERROR INDICATIONS In case the PV falls below the Minimum Range or rises above the Maximum Range specified for the RTD Pt100 input type or in case the RTD Pt100 sensor is open broken the upper...

Page 5: ...t 2 Function Output 3 Function 10 11 12 13 14 Output Type Calibration Offset Control Mode Overshoot Inhibit Control Logic Hysteresis Digital Filter Serial Communication Setpoint Locking Tune At Setpoi...

Page 6: ...Output Type As in this example no other parameter is available in the list pressing ENTER key will not displayed any other parameter in the list Figure 3 2 To exit the set up mode and return to the MA...

Page 7: ...output type must also be set as a value for this parameter for correct operation The controller automatically sets the cycle time for the time proportioning PID output in accordance with the selected...

Page 8: ...int with as minimum overshoot as possible CALIBRATION OFFSET This value is algebraically added to the measured PV to derive the final PV that is displayed and compared for alarm control Final PV Measu...

Page 9: ...to 8 assigns a unique slave identity number to the controller that the Master Device uses to address the controller for data read write operation 1 to 8 Default 1 SETPOINT LOCKING Set toYes to Lock th...

Page 10: ...ss High or Process LowAlarm 1 Type SetsAlarm limit independent of control setpoint DEVIATION BAND Available for Deviation BandAlarm 1 Type Sets positive or negative deviation offset limit from control...

Page 11: ...is Band The parameters for the Blower operations are listed inTable 7 3 below followed by the definitions Table 7 3 Settings Default Value Parameter Description 0 00 to 25 00 Default 0 00 0 10 to 25 0...

Page 12: ...d parameters forAlarm 1 ALARM SETPOINT Available for Process High or Process LowAlarm 1 Type SetsAlarm limit independent of control setpoint DEVIATION BAND Available for Deviation BandAlarm 1 Type Set...

Page 13: ...tion 20 2 18 Seconds The Cycle Time thus equals ON time OFF time The controller output is 100 fully on during ON time and 0 fully off during OFF time CYCLE TIME 0 5 to 120 0 Seconds in steps of 0 5 se...

Page 14: ...utput level will change in response to the rate of change of measured PV This in effect produces larger proportional and Integral actions should the PV change at a faster rate Though this parameter va...

Page 15: ...zel The electronic assembly can be removed from the plastic enclosure and placed back as described and illustrated in Figure 10 2 Figure 10 1 Section 10 U P U P Front Label Pullout Grip Enclosure Conn...

Page 16: ...with the boards on either side sliding into the guides provided inside of the Enclosure Ensure that the bezel fits in tight on the Enclosure front to secure the panel sealing gasket Figure 10 2 Power...

Page 17: ...Serial Port or Remote Alarm Acknowledgment These modules are either pre fitted while the indicator is shipped from the factory or can be fitted by the user later All 3 plug in modules are provided wi...

Page 18: ...ifying 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 slots provided on the...

Page 19: ...ut 2 Module PPI Plug Socket Connector Projected Parts Slots Output Module Power Supply Board Front Label Upright zenex ultra Mounting Output 3 Module Output Module Projections P P I Plug Socket Connec...

Page 20: ...to plug in the Serial Communication Remote Alarm Acknowledgment module To plug or unplug the module simply insert or remove the socket into or from the plug Figure 10 7 Mounting Serial Communication R...

Page 21: ...excessive electrostatic or electromagnetic interference 4 The Indicator should not be subject to direct vibration or shock 5 The Indicator should not be exposed to dust salt air direct sunlight or ra...

Page 22: ...e mounting clamp forward 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 Indicator enclosure as shown in Figure 11 3 E...

Page 23: ...s for power supply cable and low level signal cables 4 Use appropriate fuses and switches wherever necessary for driving the high voltage loads to protect the indicator from any possible damage due to...

Page 24: ...ielded twisted pair with the shield grounded at the signal source for connecting mV V source Connect common to terminal 2 and the signal to terminal 1 as shown in Figure 12 2 c Figure 12 2 c 3 2 1 DC...

Page 25: ...2 13 Figure 12 5 As standard the indicator is supplied with power connections suited for 85 to 264 VAC Use well insulated copper conductor 2 wire of the size not smaller than 0 5mm for connections Con...

Page 26: ...o 150 ohm at one end to improve noise immunity REMOTEALARMACKNOWLEDGMENT INPUTS Terminals 14 15 Applicable if the Option plug in module for RemoteAlarmAcknowledge is fitted Use potential free push but...

Page 27: ...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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