York OPTIVIEW YK - FIGURE 21 - Microboard Serial Data Communications Ports

69
SECTION 4 - MICROBOARD 031-02430-000 AND 031-02430-001
FORM 160.54-M1
ISSUE DATE: 10/25/2019
JOHNSON CONTROLS JCI COMPANY CONFIDENTIAL
4
FIGURE 21 - MICROBOARD SERIAL DATA COMMUNICATIONS PORTS
NOTES:
1. Microboard Program Jumper JP27 determines whether COM 4A or 4B can be used. 1 and 2 - 4A, 2 and 3, 4B.
2. J15-4 Loop-Around Test IN. J15-5 Loop-Around Test OUT. See Figure 115 on page 319 for details.
3. The COM 2 port has two selectable serial modes. It can operate in either RS-232 or RS-485 Mode, depending upon the position of
program jumper JP17 as follows: On pins 1 and 2 for RS-485 operation. On Pins 2 and 3 for RS-232 operation. The COM 2 RS-485 port
is not present on 031-02430-000 Microboard.
LD15644
MICRO
UART
COM 1
COM 4B
(NOTE 1)
COM 4A
(NOTE 1)
RS-232
RS-485
COM 2
(NOTE 3)
RS-485
RS-232
PRINTER
NOT USED
NOT USED
4
3
5
2
7
6
8
9
3
2
1
4
5
1
2
4
6
7
3
J2
J11
J13
DCD
DSR
--
+ 5VDC
GND
SHIELD
+
TX
RX
DTR
DSR
GTX
GRX
12
3
TX1 RX1
CR5 CR4
R G
CR13 CR14
R G
TX4 RX4
TX2 RX2
JP27
CR18 CR17
R G
COM 3
COM 5
OPTO-COUPLE
RS-485
3
2
1
4
5
1
2
3
4
5
6
J12
J15
TX
RX
COMMON
NOTE 2
NOTE 2
+
--
+ 5VDC
GND
SHIELD
TX3 RX3
TX5 RX5
CR15 CR16
R G
CR15
R G
CR20 CR19
R G
GND
9
JP17
2
3
1
RX
RTS
CTS
TX
DTR
(+)
(-)
5
8
10
YORK PROTOCOL-
STYLE B LCSSS
VSD ADAPTIVE CAPACITY
CONTROL BOARD OR
MODBUS PROTOCOL
- MV VSD, MV SSS, VSD,
STYLE B LCSSS
HOT GAS BYPASS
HEAT RECOVERY
HEAD PRESSURE CONTROL
MOTOR MONITORING
OPTIONAL
E-LINK GATEWAY