M-system R3-NE1, Инструкция по эксплуатации

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R3-NE1
P. / 8 EM-836 Rev.3
Modbus FUNCTION CODES & SUPPORTED CODES
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Data and Control Functions
CODE NAME R3-NE1
01 Read Coil Status X Digital output from the slave
02 Read Input Status X Status of digital inputs to the slave
03 Read Holding Registers X General purpose register within the slave
04
Read Input Registers
X
Collected data from the field by the slave
05
Force Single Coil
X
Digital output from the slave
06 Preset Single Registers X General purpose register within the slave
07 Read Exception Status
08 Diagnostics X
09 Program 484
10 Poll 484
11 Fetch Comm. Event Counter X Fetch a status word and an event counter
12
Fetch Comm. Event Log
X
A status word, an event counter, a message count and
a field of event bytes
13 Program Controller
14 Poll Controller
15 Force Multiple Coils X Digital output from the slave
16 Preset Multiple Registers X General purpose register within the slave
17
Report Slave ID
X
Slave type / ‘RUN’ status
18
Program 884 / M84
19 Reset Comm. Link
20 Read General Reference
21 Write General Reference
22 Mask Write 4X Register
23 Read / Write 4X Registers
24 Read FIFO Queue
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Exception Codes
CODE NAME R3-NE1
01 Illegal Function X Function code is not allowable for the slave
02 Illegal Data Address X Address is not available within the slave
03 Illegal Data Value X Data is not valid for the function
04 Slave Device Failure X
05
Acknowledge
X
06 Slave Device Busy X
07
Negative Acknowledge
X
08
Memory Parity Error
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Diagnostic Subfunctions
CODE NAME R3-NE1
00 Return Query Data X Loop back test
01 Restart Comm. Option X Reset the slave and clear all counters
02 Return Diagnostic Register X Contents of the diagnostic data (2 bytes)
03 Change ASCII Input Delimiter X Delimiter character of ASCII message
04
Force Listen Only Mode
X
Force the slave into Listen Only Mode