Automationdirect.com HX-ECOM Series - Page 76

Ethernet Communications Modules, 3rd Edition, Rev. D
5-9
Chapter 5: MODBUS TCP for H0/H2/H4-ECOM100
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D4-430
Memory Type
Qty
(Dec.)
PLC Range
(Octal)
Modbus
Address Range
(Decimal)
Modbus
Data Type
For Discrete Data Types... Convert PLC Addr. to Dec. + Start of Range
+ Data Type
Inputs (X)
320 X0 – X477 2048 – 3071
Input
Special Relays (SP)
288
SP0 – SP137
SP320 – SP617
3072 – 3167
3280 – 3471
Input
Outputs (Y)
320 Y0 – Y477 2048 – 2367 Coil
Control Relays (CR)
512 C0 –C737 3072 – 3583 Coil
Timer Contacts (T)
128 T0 – T177 6144 – 6271 Coil
Counter Contacts (CT)
128 CT0 – CT177 6400 – 6527 Coil
Stage Status Bits (S)
384 S0 – S577 5120 – 5503 Coil
Global I/O (GX)
512 GX0 – GX777 0 – 2047 Input
For Word Data Types ... Convert PLC Addr. to Dec. + Data Type
Timer Current Values (V)
128 V0 – V377 0 – 255
Input Register
Counter Current Values (V)
128 V1000 – V1377 512 – 639 Input Register
V-Memory, user data (V)
3072 V1400 – V7377 768 – 3839 Holding Register
V-Memory, system (V)
256
V7400 – V7777 3840 – 4095
Holding Register
D4-440
Memory Type
Qty
(Dec.)
PLC Range
(Octal)
Modbus
Address Range
(Decimal)
Modbus
Data Type
For Discrete Data Types... Convert PLC Addr. to Dec. + Start of Range
+ Data Type
Inputs (X)
320 X0 – X477 2048 – 2367
Input
Special Relays (SP)
352
SP0 – SP137
SP320 – SP717
3072 – 3167
3280 – 3535
Input
Outputs (Y)
320 Y0 – Y477 2048 – 2367 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
Global I/O (GX)
1024 GX0 – GX1777 0 – 1023 Input
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 – V1377 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)
268
V700 – V737
V7400 – V7777
448 – 479
3840 – 4095
Holding Register