Automation Direct D0-DCM, Manual, Page: 60 / 70

MODBUS R
T
U
D0–DCM with
5–4
D0–DCM Using MODBUS
DL05/06 Data Communications Module, 1st Edition, 08/05
DL06 Memory Type QTY
(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 – SP777 3072 – 3583 Input
Outputs (Y) 512 Y0 – Y777 2048 – 2560 Coil
Control Relays (C) 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
Global Inputs (GX) 2048 GX0 – GX3777 0 – 2047 Input
Global Outputs (GY) 2048 GY0 – GY3777 0 – 2047 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) 256
3072
4096 V400 – V677
V1400 – V7377
V10000 – V17777 256 – 511
768 – 3839
4096 – 8191
Holding Register