York EX Series - Communication Specification; Communication Data; TABLE 22 - Communication Specifications; TABLE 23 - Read Command

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 VALUE
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
OPERATION 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