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MODBUS Interface
Verbatim Owner's Manual F-25
PLC Programming Code Table (Page 1 of 4)
Code Description Default Range Section
Remote Channel Status, Reading and Writing to PLC Data Register
40ZZ Read alarm status of Remote ZZ=0 to 96 F.8
Channel ZZ
40ZZ* Read data register associated ZZ=0 to 96 F.8
with RC ZZ
40ZZ*N Write value N to data register ZZ=0 to 96, F.8
associated with RC ZZ N=0 to 65535
Remote Channel Message Recording and Reviewing
4100 net Record network ID message net=1 to 5 F.9
41ZZ N Record Remote Channel ZZ ZZ=1 to 96, N=1 to 4 F.9
ALARM/PREAMBLE message See Code 913
at recording rate N (N is
optional)
42ZZ N Record Remote Channel ZZ ZZ=1 to 96, N=1 to 4 F.9
NORMAL/EPILOGUE message See Code 913
at recording rate N (N is
optional)
43ZZ Review both Remote Channel ZZ ZZ=1 to 96 F.9
messages (ZZ=0 for network ID
messages)
Remote Channel Programming (Configuration)
4500 Sets current status as NORMAL F.10.2
for all RCs
45ZZ Reads alarm criteria for RC ZZ ZZ=1 to 96 F.10.2
45ZZ * Associate RC ZZ with specified ZZ=1 to 96 F.10.1
net *node network address
*addr *
45ZZ *
Read back the net address ZZ=1 to 96 F.10.1
(net/node/addr) assoc. with RC ZZ
45ZZ0 Disables Remote Channel ZZ ZZ=1 to 96 F.10.2
45ZZ1 Sets alarm criteria to ZZ=1 to 96 F.10.2
NORMALLY 1
45ZZ2 Sets alarm criteria to ZZ=1 to 96 F.10.2
NORMALLY 0
45ZZ3 Sets alarm criteria to ZZ=1 to 96 F.10.2
NO ALARM Status reporting
only
45ZZ4 Sets alarm criteria to NETERR mode ZZ=1 to 96 F.10.2
45ZZ5 N Sets analog low setpoint to N ZZ=1 to 96, F.10.2
N=0 to 65535
45ZZ6 N Sets analog high setpoint to N ZZ=1 to 96, F.10.2
N=0 to 65535