CT-600-2 65
12 Function overview
The functions described in the section below are related to the PLC in the ACP LINK panel. The CM-SW
modules also include various functions for surveillance and operation of the compressors. Find more
information on that in ST-150.
12.1 Data handling functions
No. Function Description Related
alarms,
warnings
(see 14.1)
Related
param.
(see 13.1)
Related
timers
(see 13.2)
0.1 Modbus RTU
communication
and data
handling to/from
modules
The ACP LINK PLC is the master, the
CM-SW-01, CM-IO and SP-IO modules
are the slaves.
All signals are scaled and calibrated on
the slave modules.
121, 122,
123.0-220
63, 67,
68, 69
0.2 Modbust TCP/IP
communication
The ACP LINK PLC writes different
signals to a group of addresses for use
on SCADA systems (see also section
9.10).
0.3 Data processing Various new signals are calculated
based on the data coming from the bus
communication.
63, 64,
138
12.2 Diagnosis and redundancy functions
No. Function Description Related
alarms,
warnings
(see 14.1)
Related
param.
(see 13.1)
Related
timers
(see 13.2)
1.1 Diagnosis CM-
IO - Oil system
Signals from the CM-IO module for the
oil system are diagnosed for high or low
levels and plausibility. A warning will be
issued if a sensor error is found.
51-62 31-38
1.2 Diagnosis SP-IO
- electrical panel
i/o
Signals from the SP-IO module in the
electrical panel are diagnosed for high
or low levels and plausibility. A warning
will be issued if a sensor error is found.
70-79 10, 31-42
To Next Page
Loading...