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4.1.20 Connecitng the S7-200 Series by Siemens K. K.
SIEMENS S7-200 Series
Connection method
Setting the communication conditions
Recommended GT and PLC communication settings are as follows.
GT communication settings Communication settings on the PLC side
Item Value set Item Value set
GT unit No. 01 PLC unit No. 02
PLC unit No. 02
Baud rate 9600 bps
Data length 8 bits
Parity check Even
Stop bit 1 bit
Usable devices
Device type FX1N range No. Remarks
Input I00 to I77
Output Q00 to Q77
Bit
device
Bit memory M00 to M317
Input IW0 to IW6
The number of the addresses which can be
set is even.
Output QW0 to QW6
The number of the addresses which can be
set is even.
Bit memory MW0 to MW30
The number of the addresses which can be
set is even.
Timer (current value) T0 to T255
Counter (current value) C0 to C255
Word
device
Integer VW000 to VW518
The number of the addresses which can be
set is even.
Each PLC device is coded as follows on the GTWIN. When inputting a device, use these codes.
Display of PLC Display of GTWIN
Bit device Q3.2 Q3-2
Word device VW100 VW100
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