Automationdirect.com HX-ECOM Series - Page 75

Ethernet Communications Modules, 3rd Edition, Rev. D
5-8
Chapter 5: MODBUS TCP for H0/H2/H4-ECOM100
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A
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D
D2-250-1 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 – SP137
SP320 – SP777
3072 – 3167
3280 – 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
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 – 8191
Holding Register
V-Memory, system (V)
256
V7400 – V7777 3840 – 4095
Holding Register
D2-260/D2-262
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)
1024 X0 – X777 2048 – 3071
Input
Special Relays (SP)
512
SP0 – SP137
SP320 – SP717
3072 – 3167
3280 – 3535
Input
Outputs (Y)
1024 Y0 – Y1777 2048 – 3071 Coil
Control Relays (C)
2048 C0 –C3777 3072 – 5119 Coil
Timer Contacts (T)
256 T0 – T377 6144 – 6399 Coil
Counter Contacts (CT)
256 CT0 – CT377 6400 – 6655 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)
256 V1000 – V1377 512 – 639 Input Register
V-Memory, user data (V)
256
3072
11264
V400 – V777
V1400 – V7377
V10000 – V35777
256 – 511
768 – 3839
4096 – 15359
Holding Register
V-Memory, system (V)
256
V7600 – V7777
V36000 – V37777
3968 – 4095
15360 – 16383
Holding Register