FORM 155.32-ICOM2.EN.UL
SECTION 4 - TECHNICAL DATA
ISSUE DATE:1/10/2018
JOHNSON CONTROLS
77
Connection Port for Ethernet Communication
Make sure that the Ethernet cable is plugged into the correct port on the Control Panel. The
Ethernet connection port is located at the bottom left on the back of the Control Panel.
Table 22 -
Ethernet Interface Specification
Communication Specification
Table 23 -
Communication Specifications
ITEM
SPECIFICATION
Communication format
10BASE-T/100BASE-TX
Connector shape
RJ-45 type modular jack connector
LED function
Active
(Green)
Blink
Data sending/receiving
No light
No data sending/receiving
Link
(Green)
Blink
Data sending/receiving via
10BASE-T/100BASE-TX
No light
No connection or successor job failure
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
