5. PREPARATION BEFORE OPERATION
IMSRM52-E4
31
5.4 When the Power is Turned on for the First Time
Checking before power on
Check the following items, and then turn on the power of the control unit.
•
Operation environments conform to
3.1 Mounting Environment (P. 15)
.
•
The wiring and connections conform to
4. WIRING (P. 23)
.
•
The power supply voltage conform to
2. SPECIFICATIONS (P. 10)
.
Checking after power on
Check that the RUN lamps on the H-PCP-G and H-LNK-A modules are flashing.
For details of the PLC, see the
User's manual for Control & Communication Link system
master/local units of Mitsubishi Electric Co., Ltd
.
5.5 Control Unit Operation When the PLC is Abnormal
When the Control & Communication Link is not normally connected after the
power to the control unit is turned on
As control start (RUN) cannot be set on the PLC side, control continues to stop (STOP).
The control unit starts with control RUN/STOP transfer set to the control STOP state after
power on. Set to control RUN on the PLC side after power on. However, if the initialize
setting (Extended communication)
Control RUN/STOP holding
(0: Not holding prior to
factory shipment) is changed to
1: Holding
, control starts while the state before STOP is
being held.
For details of the
Control RUN/STOP holding
settings, see the separate
Supplementary
Information for initialize settings [Extended Communication]
(
IMSRM07-E
).
When the PLC becomes abnormal while the control unit operates normally
The control unit continues its control at the temperature set value before the PLC becomes abnormal.
