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CHAPTER 6: MODBUS TCP PROTOCOL
6.1.2 Modbus TCP Response Structure
M
APPING
N
ODE
33
(P
RODUCE
R
EGISTERS
)
Produce Registers hold data that is destined for the Host.
ModBus
Address
(4xxxx /
3xxxx)
Read / Write Privilege Register Description
(40001) 1
R/W HS500E Produce Data Overall Length
(> 0 indicates that data is available;
Modbus Client clears to 0 after data is
processed)
2
RO MSB = Reader Type; LSB = Command ID
3
RO Node ID (33)
4
RO Timeout Value (0-65535)
5
RO Read/Write Start Address (0-65535)
6
RO Read/Write Data Length (0-65535 bytes)
7 – 32774
RO HS500E Produce Data (when applicable)
32775 –
65536
RO Reserved
Modbus TCP Response Structure
Node 33 Memory Map (Produce Registers)
HS500E – OPERATOR’S MANUAL P/N: 17-1305 REV02 (12-05)
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