PPI Zenex Pro Digital Temperature Controller User Manual
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I / O CONFIGURATION PARAMETERS
| Parameters | Settings (Default Value) |
Input Type |
Refer Table 1 (Default : Type K) |
Temperature Display Units |
 °C °F (Default : °C) |
Temperature Range |
Min. to Max. specified for the selected Input Type (Refer Table 1)
(Default : 1376) |
Control Output Type |
Refer Table 2 (Default : Relay) |
Control Mode |
 On-Off PID (Default : PID) |
Control Logic |
 Direct Reverse (Default : Reverse) |
Hysteresis |
1 to 999°C or
0.1 to 99.9°C (Default : 2 or 0.2) |
Setpoint Low Limit |
Min. Range to Setpoint High for the selected Input Type (Default : -200) |
Setpoint High Limit |
Setpoint Low to Max. Range for the selected Input Type (Default : 1376) |
SUPERVISORY PARAMETERS
| Parameters | Settings (Default Value) |
Tune / Optimize Command |
 No Yes (Default : No) |
Tune / Optimize Abort Command |
No Yes (Default : No) |
Overshoot Inhibit |
 Disable Enable (Default : Disable) |
Overshoot Inhibit Factor |
1.0 to 2.0 (Default : 1.2) |
Self-tune on Setpoint Change |
Disable Enable (Default : Disable) |
Offset for PV |
-1999 to 9999 or
-199.9 to 999.9 (Default : 0) |
Digital Filter for PV |
0.5 to 25.0 Seconds in steps of 0.5 Seconds
(Default : 1.0) |
Permission for OP2/OP3 Setpoint Editing on Operator Page |
Disable Enable (Default : Enable) |
Soak Abort Command on Operator Page |
Disable Enable (Default : Enable) |
Soak Time Adjustment on Operator Page |
Disable Enable (Default : Enable) |
| Parameters | Settings (Default Value) |
Utility Option |
 None Soak Start Water Level Low Detection (Default : None) |
Water Level-Low Detection Logic |
 Open Close (Default : Open) |
Slave ID |
1 to 127 (Default : 1) |
Baud Rate |
4800, 9600, 19200 (Default : 9600) |
Parity |
 None Even Odd (Default : Even) |
Communication Write Enable |
 No Yes (Default : Yes) |
PID CONTROL PARAMETERS
| Parameters | Settings (Default Value) |
% Output Power |
Not Applicable (Default : Not Applicable) |
Cycle Time |
0.5 to 120.0 Seconds (in steps of 0.5 secs.) (Default : 0.5) |
Proportional Band |
0.1 to 999.9 (Default : 10.0) |
Integral Time |
0 to 1000 Seconds (Default : 100) |
Derivative Time |
0 to 250 Seconds (Default : 25) |
OP2 FUNCTION PARAMETERS
| Parameters | Settings (Default Value) |
Output-2 Function Selection |
 None Alarm Control Blower (Default : None) |
| OP2 Function : Alarm-1 | |
Type |
 Process Low Process High Deviation Band Window Band End of Soak (Default : Process Low) |
Setpoint |
Min. to Max. Range for the selected Input type (Default : 0) |
Deviation Band |
-199 to 999 or -199.9 to 999.9 (Default : 0) |
Window Band |
3 to 999 or 0.3 to 999.9 (Default : 3) |
| Parameters | Settings (Default Value) |
Logic |
 Normal Reverse (Default : Normal) |
Inhibit |
 Yes No (Default : Yes) |
Alarm Timer |
5 to 250 Seconds
(Default : 10) |
| OP2 Function : Auxiliary Control | |
| Parameters | Settings (Default Value) |
Offset Value |
(Min. Range – SP) to (Max. Range – SP) specified for the selected Input Type
(Default : 0) |
Hysteresis |
1 to 999 or
0.1 to 999.9 (Default : 2 or 0.2) |
Control Logic |
 Normal Reverse (Default : Normal) |
| OP2 Function : Blower / Compressor Control | |
Offset Value |
0 to 250 or 0.0 to 25.0
(Default : 0) |
Hysteresis |
1 to 250 or 0.1 to 250.0
(Default : 2 or 0.2) |
Time Delay |
00.00 to 10.00 Min. Sec (in steps of 5 Seconds)
(Default : 00.00) |
OP3 FUNCTION PARAMETERS
| Parameters | Settings (Default Value) |
Output-3 Function Selection |
Alarm Control Water Level Low Alarm (Default : None) |
| OP3 Function : Alarm-2 | |
Type |
 Process Low Process High Deviation Band Window Band End of Soak (Default : Process Low) |
Setpoint |
Min. to Max. Range for the selected Input type (Default : 0) |
Deviation Band |
-199 to 999 or
-199.9 to 999.9 (Default : 0) |
Window Band |
3 to 999 or 0.3 to 999.9
(Default : 3) |
Logic |
 Normal Reverse (Default : Normal) |
Inhibit |
 Yes No (Default : Yes) |
Alarm Timer |
5 to 250 Seconds
(Default : 10) |
| OP3 Function : Auxiliary Control | |
Offset Value |
(Min. Range – SP) to (Max. Range – SP) specified for the selected Input Type (Default : 0) |
Hysteresis |
1 to 999 or 0.1 to 999.9 (Default : 2 or 0.2) |
Control Logic |
 Normal Reverse (Default : Normal) |
SOAK TIMER PARAMETERS
| Parameters | Settings (Default Value) |
Timer Enable |
 No Yes (Default : No) |
Time Units |
 Min:Sec Hours:Min Hours (Default : Min:Sec) |
Time Duration |
00.05 to 60:00 Min:Sec 00.05 to 99:55 Hrs:Min 1 to 999 Hours (Default : 00.10 Min:Sec) |
Timer-Start Band |
0 to 9999 or 0.0 to 999.9 (Default : 5 or 0.5) |
Holdback Strategy |
 None Up Down Both (Default : None) |
Hold Band |
1 to 9999 or 0.1 to 999.9 (Default : 5 or 0.5) |
Switch-Off Control Output at Timer End |
 No Yes (Default : No) |
 Power-fail Recovery Method |
 Abort (Re)Start Continue (Default : Continue) |
OPERATOR PAGE AND PARAMETERS
| Parameters | Settings |
Timer Start Command |
 No Yes |
Timer Abort Command |
 No Yes |
Time Duration |
00.05 to 60.00 M:S or 00.05 to 99.55 H:M or 1 to 999 Hours |
| OP2 Function : Alarm-1 | |
Alarm-1 Setpoint |
Min. to Max. Range for the Input Type |
Alarm-1 Deviation Band |
-199 to 999 or -199.9 to 999.9 |
Alarm-1 Window Band |
3 to 999 or 0.3 to 999.9 |
| Parameters | Settings |
| OP2 Function : Auxiliary Control | |
Auxiliary Control Setpoint |
(Min. Range – SP) to (Max. Range – SP) for selected Input |
| OP2 Function : Blower / Compressor Control | |
Blower / Compressor Setpoint |
0 to 250 or 0.0 to 25.0 |
| OP3 Function : Alarm-2 | |
Alarm-2 Setpoint |
Min. to Max. Range for the Input Type |
Alarm-2 Deviation Band |
-1999 to 9999 or -199.9 to 999.9 |
Alarm-2 Window Band |
3 to 999 or 0.3 to 99.9 |
| OP3 Function : Auxiliary Control | |
Auxiliary Control Setpoint |
(Min. Range SP) to (Max. Range SP) for selected Input |
| Control Setpoint (SP) Locking | |
Setpoint Locking |
 No Yes |
| TABLE- 1 | ||
| Option | Range (Min. to Max.) | Resolution |
 |
0 to +960°C / +32 to +1760°F | Fixed 1°C / 1°F |
 |
-200 to +1376°C / -328 to +2508°F | |
 |
-200 to +385°C / -328 to +725°F | |
 |
0 to +1770°C / +32 to +3218°F | |
 |
0 to +1765°C / +32 to +3209°F | |
 |
0 to +1825°C / +32 to +3092°F | |
 |
0 to +1300°C / +32 to +2372°F | |
 |
-199 to +600°C / -328 to +1112°F | |
 |
-199.9 to 600.0°C / -199.9 to 999.9°F | 0.1°C / 0.1°F |
| TABLE- 2 | ||
| Option | What it means | Remarks |
 |
Relay SSR (Solid State Relay) |
Applicable for OP1 as Relay / SSR |
| NOTE : Applicable Only For Zenex DC Linear Version | ||
| Option | What it means | Remarks |
 |
0 to 20mA current 4 to 20mA current | Applicable for OP1 as DC Linear Current |
 |
0 to 5 Volts 0 to 10 Volts | Applicable for OP1 as DC Linear Voltage |
FRONT PANEL LAYOUT
| Symbol | Key | Function |
 |
PAGE |
Press to enter or exit set-up mode. |
 |
DOWN |
Press to decrease the parameter value. Pressing once decreases the value by one count; keeping pressed speeds up the change. |
 |
UP |
Press to increase the parameter value. Pressing once increases the value by one count; keeping pressed speeds up the change. |
 |
ENTER |
Press to store the set parameter value and to scroll to the next parameter on the PAGE. |
PV Error Indications
| Message | PV Error Type |
 |
Over-range
(PV above Max. Range) |
 |
Under-range
(PV below Min. Range) |
 |
Open
(Sensor open / broken) |
ELECTRICAL CONNECTIONS
Relay / SSR Control Output Version
DC mA/V Control Output Version
This brief manual is primarily meant for quick reference to wiring connections and parameter searching. For more details on operation and application; please log on to www.ppiindia.net
Documents / Resources
 |
PPI Zenex Pro Digital Temperature Controller [pdf] User Manual Zenex Pro Digital Temperature Controller, Zenex Pro, Digital Temperature Controller, Temperature Controller, Controller |
