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2 Connecting to SIEMENS PLCs
NB-series Programmable Terminals Host Connection Manual (V108)
2-4 Supported Registers
2
2-4-1 SIEMENS S7-200
2-4 Supported Registers
Note The initial addresses of VW and VD must be even.
Address format description: D: decimal, O: octonary, H: hexadecimal.
2-4-1 SIEMENS S7-200
Device Bit Address Word Address Format Notes
SCR Nodes S.B 0.0~31.7 ------ DD.O
Special Memory Bit SM.B 0.0~549.7 ------ DDD.O
Counter Bit Cnt 0~255 ------ DDD.O
Counter Bit Tim 0~255 ------ DDD.O
Variable Memory Nodes V.B 0.0~10238.7 ------ DDDDD.O
Internal Memory Bit M.B 0.0~31.7 ------ DD.O
Discrete Output and Map Register Nodes Q.B 0.0~15.7 ------ DD.O
Discrete Input and Map Register Nodes I.B 0.0~15.7 ------ DD.O
Analog Output ------ AQW 0~62 DD
Analog Input: ------ AIW 0~62 DD
SCR (32-bit) ------ SD 0~28 DD
SCR ------ SW 0~30 DD
Special Memory Registers (32-bit) ------ SMD 0~546 DDD
Special Memory Registers ------ SMW 0~548 DDD
Internal Memory Bit (32-bit) ------ MD 0~28 DD
Internal Memory ------ MW 0~30 DD
Discrete Output and Map Registers (32-bit) ------ QD 0~12 DD
Discrete Output and Map Registers ------ QW 0~14 DD
Discrete Input and Map Registers (32-bit) ------ ID 0~12 DD
Discrete Input and Map Registers ------ IW 0~14 DD
Counter PV ------ Cnt 0~255 DDD
Timer PV ------ Tim 0~255 DDD
Variable Memory (32-bit) ------ VD 0~10236 DDDDD
Variable Memory ------ VW 0~10238 DDDDD
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