Autonics TM4-N2RB - Operational Control and Error Handling

6 Parameter Settings and Functions
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6.7 Run/Stop function
Users may run or stop control output by force while in Run mode.
The STOP command stops the control output. Alarm output, other than control output, maintains
the values as set in the alarm output setting at the point of STOP.
This feature can be enabled by configuring parameters. The digital input terminals (DI-1 and DI-
2) can be assigned to the run/stop feature.
 Modifications on RUN/STOP are allowed even when in open state. The STOP status will
remain in effect after shutting down the controller and powering it back on.
 When STOP is in effect, MV based on the control output at the point of STOP (Stop.MV) is
displayed, and continues to be displayed even if a sensor break occurs.
 When restarting after STOP, the initial MV is the MV at the end point.
 The run/stop setting remains in effect after turning power back on.
6.7.1 Control output for STOP
This sets the control output value upon a STOP. With ON/OFF control, select between 0.0 (OFF)
and 100.0 (ON). In PID control, you can directly choose MV within a range of 0.0 to 100.0.
Setting
group
Preceding
condition
Parameter Setting range
Factory
default
Unit
Control
Setting
Heating,
Cooling
PID
Stop MV
0.0 to 100.0
0.0
%
ON/OFF
0.0 (OFF)/100.0
(ON)
Heating
&
Cooling
PID
-100.0 (Cool) to
100.0 (Heat)
0.0
ON/OFF
-100.0 (Cool ON)
/0.0 (OFF)
/100.0 (Heat ON)
When set to STOP, the preset MV is used for output ignoring the MVs from ON/OFF control and
PID control.
6.7.2 Alarm output for STOP
Enable or disable alarm output upon a stop.
 CONTINUE: Alarm output operates normally.
 OFF Alarm output ceases along with a stop under all conditions. (However, reverting to Run
mode after a stop in alarm latch or alarm latch and standby sequence restores the alarm
output to the previous state.)
Setting group Parameter Setting range
Factory
default
Unit
Control Setting Stop Alarm Out CONTINUE, OFF CONTINUE -