JOHNSON CONTROLS
72
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
SECTION 4 - TECHNICAL DATA
User-Created
The diagrams and tables that follow detail some of the
work that must be performed by the customer to be
sure that the communication systems work properly.
FIGURE 21 -
CONNECTION DETAIL FOR D-SUB 9PIN
Serial interface (COM2)
Connect User-Created Cable
LD20597b
ITEM
CUSTOMER
JCI
REMARKS
Control panel with upper
communication function
X
Communication protocol: Modbus RTU
Wiring work for Modbus RTU
communication
X
Apply RS485 communication cable. See
for more information.
Communication program for central
monitoring unit
X
See
for the details of the
communication protocol, path type, function code,
communication data address, etc.
TABLE 25 -
SCOPE OF DELIVERY OF UPPER COMMUNICATION SYSTEM
