154
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 14 - ADAPTIVE CAPACITY CONTROL BOARD
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
FIGURE 64 -
SERIAL COMMUNICATIONS INTERFACE – MODBUS PROTOCOL
LD12569
VSD LOGIC BOARD
031-02506
MICROBAORD
031-03630-001
031-02430-001
(-)
(+)
GND
+12 VDC
J11
1
2
3
J16
2
3
4
1
J15
1
2
3
COM 5
OPTO-COUPLE
J13
10
8
9
COM 2
RS-485
J20
2
J7
11
22 10
PRV
POSITION
ACC