JOHNSON CONTROLS
70
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
SECTION 4 - TECHNICAL DATA
Communication Specification
TABLE 22 -
COMMUNICATION SPECIFICATIONS
Communication Protocol
Modbus TCP
Communication Path Type
10BASE-T/100BASE-TX
IP Address
(No. 1) 192.168.1.1, (No.2) 192.168.1.2, (No. 3) 192.168.1.3
Subnet Mask
255.255.255.0
Function Code
Read Command
(Digital Signal) 0.1/Read Coil
(Analog Signal) 0.3/Read Holding Register
Write Command
(Digital Signal) 0.5/Force Single Coil
Communication Data
TABLE 23 -
READ COMMAND
ITEM
DISPLAY
UNIT
ADDRESS
CONTENT
SET
V
ALUE
1
Set Point (Chilled/Hot water outlet
temp.)
7.0
°C
00001
0050~1000 unit, 1 unit=0.1°C
2
Automatic stop temp. at cooling
mode (thermo-off temp)
5.0
°C
00003
0040~1000 unit, 1 unit=0.1°C
3
Temp. difference of Automatic start/
stop control at cooling mode
5.0
°C
00005
0001~1000 unit, 1 unit=0.1°C
4
Automatic stop temp. at heating
mode (thermo-off temp)
62.0
°C
00007
0040~1000 unit, 1 unit=0.1°C
5
Temp. difference of Automatic start/
stop control at heating mode
5.0
°C
00009
0001~1000 unit, 1 unit=0.1°C
OPERA
TION CONDITION
6
Operation condition
0 or 1
or 2
-
00021
0:STOP, 1:COOLING OPERATION,
2:HEATING OPERATION
7
Local/Remote mode condition
0 or 1
-
01001
0:LOCAL, 1:REMOTE
8
Solution pump condition
0 or 1
-
01003
0:STOP,1:OPERATION
9
Refrigerant pump condition
0 or 1
-
01005
0:STOP,1:OPERATION
10
Burner fan condition
0 or 1
-
01007
0:STOP,1:OPERATION
11
Load limit condition
0 or 1
-
01009
0:NORMAL OPERATION
1:LOAD LIMIT OPERATION
12
Control manipulated variable.
100
%
00023
-0100~1100 unit, 1 unit=0.1%
13
Failure signal.
0 or 1
-
01011
0:NORMAL OPERATION
1:FAILURE OCCUR
14
Alarm signal
0 or 1
-
01013
0:NORMAL OPERATION
1:ALARM OCCUR
