URL
http://www.cyclogic.net
[email protected] / [email protected]
Tel
+82 317099303
CL-MC03** Series Modbus Interface Module Installation Instructions, Oct. 2016
@2016 Cyclogic Inc.
Document Rev . 1
Modbus Interface Module
NOTICE : Modbus Interface Module needs 12
~
24V DC power to operate.
5. How to install
5.1. Wire Connections
1. Choose a place where to install the CL-MC03** series. The device provides two mounting holes that
can be used to mechanically affix the case to a solid surface. Double-sided tape may be used to affix
the device. When using tape, ensure that the tape is approved for use within the anticipated
operating temperature ranges.
2. Connect the CL-MC03** cable to the terminals F1/F2 on the indoor unit control board for
communication between SASMUNG indoor unit and Cyclogic Modbus Interface Module.
3. Connect the CL-MC03** cable to the terminals V1/V2 on the indoor unit control board for supplying
power.
4. Connect the CL-MC03** cable to the 3rd party controller.
4.2. Modbus Slave Address Setting with Rotary Switch
RSW1
(Ten)
RSW2
(One)
RSW1 : 10 digit
RSW2 : one digit
Initial settings(Modbus Address) can be configured via 2 rotary switches on the circuit board. The circuit
board can be accessed by unfastening the four screws on the back of the case.
Device Configuration
RX+
RX-
Modbus RTU
F1 F2
Communication
+
-
12
~
24V DC
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
Dry
Contact
No
Connector
Descri
pti
on
1
MODBUS INT
C
onnec
ti
on fo
r
3
rd
p
a
r
t
y
cont
r
o
ll
e
r
2
RS-
4
85
C
onnec
ti
on fo
r
SA
M
S
UNG
A
C
’s
F
1
/F
2
commun
i
ca
ti
on
3
MODBUS EXT
N/A
4
P
OWER
C
onnec
ti
on fo
r
p
o
w
e
r
su
pply
of D
C
12
~
24
V
5
DO
C
ontact
w
hen e
rr
o
r
occu
rs (DC 12
~
24)
6
DRY CONT
C
onnec
ti
on fo
r
fo
r
ce
d ON/OFF
