
6 Communication settings and guide of HMI connecting with controller
Reference operatable address example
PLC Addr(HEX) Parameter R/W Parameters mean
300H
FIX_SV R/W
FIX mode SV: in the limit range of SV
460H
PB21
R/W
ratio coefficient:0.0 to 999.9%(0.0=OFF)
About device address details, please refer to the FP23 communication protocol.
Show: H indicates HEX
Note: 1、Setting the parameters of ADDR address, the settings must be the same as the corresponding PLC
station.
2、When Connecting multiple instruments, for distinguishing instruments, each instrument must be
set different ADDR value.
Cable Diagram
FP23 programmable PID regulator of 8 point and 10 point must be shorted or communications
failure
FP23 RS485 port
6.64 SIEMENS
Serial Communication
Series CPU Link Module Driver
S7-200
CPU212
CPU214
CPU215
CPU216
CPU221
CPU222
CPU224
CPU226
RS485 on the CPU unit
Siemens S7-200
S7-200 CN
CPU224 XP CN
CPU226 XP CN
RS485 on the CPU unit
S7-300 CPU312IFM
MPI port on the CPU unit
1. Siemens S7-300/400 (PC
Adapter)
2. Siemens S7-300/400 (via MPI
CPU313
CPU313C
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