York YHAU-CW - Communication Specification; Communication Data; TABLE 17 - Communication Specifications; TABLE 18 - Communication Data;Read Command

JOHNSON CONTROLS
86
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 4 - TECHNICAL DATA
Communication Specification
TABLE 17 - 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) 01/Read Coil
(Analog Signal) 03/Read Holding Register
Write Command
(Digital Signal) 05/Force Single Coil
Communication Data
TABLE 18 - COMMUNICATION DATA/READ COMMAND
ITEM DISPLAY UNIT ADDRESS CONTENT
SET VALUE
1 Set Point 44.6 °F 00001 0050~1000 unit, 1 unit=0.1 °F
2 Automatic stop temp. (thermo-off
temp)
41.0
°F 00003 0040~1000 unit, 1 unit=0.1 °F
3 Temp. difference of Automatic stop/
start control
41.0 °F 00005 0001~1000 unit, 1 unit=0.1 °F
OPERATION CONDITION
4 Operation condition 0 or 1 - 00021 0:STOP, 1:COOLING OPERATION
5 Local or remote mode condition 0 or 1 - 01001 0:LOCAL, 1:REMOTE
6 Solution pump condition 0 or 1 - 01003 0:STOP, 1:OPERATION
7 Refrigerant pump condition 0 or 1 - 01005 0:STOP, 1:OPERATION
8 Load limit condition 0 or 1 - 01009 0:NORMALLY OPERATION
1:LOAD LIMIT OPERATION
9 Control manipulated variable 100 % 00023 -0100~1100 unit, 1 unit=0.1%
10 Failure signal 0 or 1 - 01011 0:NORMAL OPERATION
1:FAILURE OCCUR
11 Alarm signal 0 or 1 - 01013 0:NORMAL OPERATION
1:ALARM OCCUR
MEASUREMENT VALUE
12 Chilled water inlet temp. 53.6 °F 00083 0001~4000 unit, 1 unit=0.1 °F
13 Chilled water outlet temp. 44.6 °F 00085 0001~4000 unit, 1 unit=0.1 °F
14 Refrigerant temp at evaporator 41.0 °F 00087 0001~4000 unit, 1 unit=0.1 °F
15 Cooling water inlet temp. 89.6 °F 00089 0001~4000 unit, 1 unit=0.1 °F
16 Cooling water outlet temp. 98.6 °F 00091 0001~4000 unit, 1 unit=0.1 °F
17 Absorber solution temp. 100.4 °F 00093 0001~4000 unit, 1 unit=0.1 °F
18 High temperature generator
solution temp.
239.0 °F 00095 0001~4000 unit, 1 unit=0.1 °F
19 High temperature generator
pressure
532.0 mmHg 00099 0001~1100 unit, 1 unit 0.1 mmHg
20 High temperature generator
concentration
62.0 % 00101 0001~1100 unit, 1 unit = 0.1%
21 Purge tank pressure 15.0 mmHg 00103 0001~4000 unit, 1 unit 0.1 mmHg