SMC Networks HRL100-A*-20 Series, Руководство по эксплуатации

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HRX-OM-Y120
Chapter 3 Serial communication
3.11 Explanation of function codes HRL Series
3-12
3.11 Explanation of function codes
3.11.1 Function code
：
04 Reading multiple registers
Register data of assigned points from assigned address is read.
■
Communication example
○
Slave Address : No.1
○
Read 16 pieces data from register 0030h.

CH1 Circulating fluid discharge temperature [20.0
℃
]

CH2 Circulating fluid discharge temperature [25.0
℃
]

CH1 Circulating fluid electrical conductivity [20.0uS/cm]

1

CH2 Circulating fluid electrical conductivity [20.0uS/cm]

CH1 Circulating fluid discharge pressure [45MPa]

CH2 Circulating fluid discharge pressure [0.50MPa]

CH1 Circulating fluid flow rate [45.0LPM]

CH2 Circulating fluid flow rate [10.0LPM]

Data display 1 to 4 [non-selection (all 0)]

Status flag [during operation, CH1, CH2 TEMP READY status]

Alarm flag 1 to 3 [no alarm]

1 "0" is displayed except for option D1.
Request message 010400300010
Field name
Example
(HEX)
ASCII mode
character data
RTU mode
binary data
Header -
“
:
”
None
Slave Address 0x01
“0”,“1”
0x01
Function 0x04
“0”,“4”
0x04
Head address of specified register 0x0030
“0”,“0”,“3”,“0”
0x00,0x30
Quantity of register to read 0x0010
“0”,“0”,“1”,“0”
0x00,0x10
Checksum ASCII:LRC RTU:CRC -
“B”,”B”
0xF1,0xC9
Trailer -
CR/LF None
Total
quantity of byte
17 8