MODEL: 61M
EXTERNAL VIEW
Modular Jack
for Factory Calibration
Power Indicator LED
L RUN
L ERR.
SD
Status Indicator LED
PWR
RD
Node Address No. Setting
Transmission Setting
Euro Type Connector Terminal
for Modbus
1
2
3
4
5
6
MODBUS FUNCTION CODES & SUPPORTED CODES
■ Data and Control Functions
CODE
01
NAME
Read Coil Status
X
X
X
X
X
X
Digital output from the slave
02
Read Input Status
Read Holding Registers
Read Input Registers
Force Single Coil
Status of digital inputs to the slave
General purpose register within the slave
Collected data from the eld by the slave
Digital output from the slave
03
04
05
06
Preset Single Registers
Read Exception Status
Diagnostics
General purpose register within the slave
07
08
X
09
Program 484
10
Poll 484
11
Fetch Comm. Event Counter
Fetch Comm. Event Log
Fetch a status word and an event counter
12
A status word, an event counter, a message count and
a eld of event bytes
13
14
15
16
17
18
19
20
21
22
23
24
Program Controller
Poll Controller
Force Multiple Coils
Preset Multiple Registers
Report Slave ID
X
X
Digital output from the slave
General purpose register within the slave
Slave type / ‘RUN’ status
Program 884 / M84
Reset Comm. Link
Read General Reference
Write General Reference
Mask Write 4X Register
Read/Write 4X Registers
Read FIFO Queue
■ Exception Codes
CODE NAME
01
02
03
04
05
06
07
08
Illegal Function
X
X
X
Function code is not allowable for the slave
Address is not available within the slave
Data is not valid for the function
Illegal Data Address
Illegal Data Value
Slave Device Failure
Acknowledge
Slave Device Busy
Negative Acknowledge
Memory Parity Error
61M SPECIFICATIONS
ES-6631 Rev.9 Page 3/5
http://www.m-system.co.jp/