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http://www.cyclogic.net
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Tel
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CL-MC03** Series Modbus Interface Module Installation Instructions, Oct. 2016
@2016 Cyclogic Inc.
Document Rev . 1
Modbus Interface Module
6.1 MODBUS CONFIGURATION
6. Modbus Protocol
Mode
Length
Addresses
Baud
Parity
Stop bits
6.2 MODBUS REGISTER
The CL-MC03** supports two types of register, Read Holding Registers and Preset Single Register.
Modbus RTU Slave
500m
0 to 63 (indoor units)
19600
Even
1
Re
g
ister T
yp
e
Access
Func
ti
on
P
reset Sin
g
le Re
g
ister
Wri
te
C
ont
r
o
l
s an
d
C
omman
d
Re
gi
ste
r
s
Holdin
g
Re
g
ister
Rea
d
Rea
db
ac
k
an
d
M
on
i
to
ri
n
g
Re
gi
ste
r
s
All analogue and digital values are accessed through these registers. All register values are 2 byte(16bit)
values.
Func
ti
on Code
(h
ex code
)
Func
ti
on Name
03
(
03
h)
Rea
d
Ho
ldi
n
g
Re
gi
ste
r
s
0
6
(
0
6h)
Pr
eset S
i
n
gl
e Re
gi
ste
r
s
Registers are accessed using standard Modbus functions. The following two functions are supported
by the CL-MC03**.
