Automation Direct D2-DCM, Руководство пользователя

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C–5
C–5
Using the D2–DCM with MODBUS
Data Communications Module, 2nd Edition, 2/03
DL250–1 Memory Type QTY
1
(Dec.)
PLC Range
(Octal)
MODBUS
Address Range
MODBUS
Data Type
For Discrete Data Types .... Convert PLC Addr. to Dec. + Start of Range + Data Type
Inputs (X) 512 X0 – X777 2048 – 2560 Input
Special Relays (SP) 512 SP0 – SP137
SP320 – SP717
3072 – 3167
3280 – 3535
Input
Outputs (Y) 512 Y0 – Y777 2048 – 2560 Coil
Control Relays (CR) 1024 C0 – C1777 3072 – 4095 Coil
Timer Contacts (T) 256 T0 – T377 6144 – 6399 Coil
Counter Contacts (CT) 128 CT0 – CT177 6400 – 6527 Coil
Stage Status Bits (S) 1024 S0 – S1777 5120 – 6143 Coil
For Word Data Types .... Convert PLC Addr. to Dec. + Data Type
Timer Current Values (V) 256 V0 – V377 0 – 255 Input Register
Counter Current Values (V) 128 V1000 – V1177 512 – 639 Input Register
V Memory, user data (V) 3072
4096 V1400 – V7377
V10000 – V17777
768 – 3839
4096 – 8192
Holding Register
V Memory, system (V) 320 V700 – V777
V7400 – V7777
448 – 768
3840 – 3735
Holding Register