
FRICK
®
QUANTUM™ LX AcuAir
®
CONTROL PANEL S90-510 CS (MAR 07)
COMMUNICATIONS SETUP Page 81
RS-422 WIRING AND JUMPERS
The following table describes the Quantum™ RS-422
connector pinouts and their associated communications
signals:
TABLE 7: RS-422 (TB1) Signal Wiring
TB1 Connector Pin #
Signal
4
TX+
3
TX-
2
RX+
1
RX-
TB1, COM-1
The following pictorial shows the communications board,
as well as the jumpers, LED’s and signal pinouts to allow
the end user to communicate to Com-1 (TB1) using RS-
422 protocol. Refer to Tables 7 and 8 for the specifics on
the jumper settings and wiring convention for RS-422:
Com-1 (TB1) Connector, Jumpers and LED Location
TABLE 8: RS-422 (TB1) Board Jumpers
LINK POSITION FUNCTION
LK2
In
Out*
Terminate COM1
No termination
RS-422
LK7
In
Out*
Pull down COM1
No pull down
RS-422 (-RX)
LK8
In
Out*
Pull up COM1
No pull up
RS-422 (+RX)
LK9
In
Out*
Pull down COM1
No pull down
RS-422 (-TX)
LK10
In
Out*
Pull up COM1
No pull up
RS-422 (+TX)
Lk11
A
B*
Select RS-232 for COM2 (TB3)
Select RS-422 for COM2 (TB2)
LK16
A *
B
COM1 RS-422 (TB1)
COM1 RS-485 (TB1)
* Standard Setting
TB2, COM-2
The following pictorial shows the communications board,
as well as the jumpers, LED’s and signal pinouts to allow
the end user to communicate to Com-2 (TB2) using RS-
422 protocol. Refer to Tables 7 and 9 for the specifics on
the jumper settings and wiring convention for RS-422:
Com-2 (TB2) Connector, Jumpers and LED Location
TABLE 9: RS-422 (TB2) Communications Board
Jumpers
LINK POSITION FUNCTION
LK 1
In
Out*
Terminate COM2
No termination
RS-422
LK 3
In
Out*
Pull down COM2
No pull down
RS-422 (Rx-)
LK 4
In
Out*
Pull up COM2
No pull up
RS-422 (Rx+)
LK 5
In
Out*
Pull down COM2
No pull down
RS-422 (Tx-)
LK 6
In
Out*
Pull up COM2
No pull up
RS-422 (Tx+)
LK 11
A
B*
Select RS-232 for COM2 (TB3)
Select RS-422 for COM2 (TB2)
LK 17
A *
B
COM2 RS-422 (TB2)
COM2 RS-485 (TB2)
* Standard Setting
LK1
LK4
LK3
D
8
D
10
D
11
D
12
PORT
80H
D
13
0
1
2
3
4
5
6
7
D6
TB1
TB2
+TX
-TX
+RX
-RX
KB
D8
D3
D2
Transmit Data
(TX) LED
Receive Data
(RX) LED
Jumpers
D1
LK6
LK5
LK17
A B
COM-1
COM-2
PL2
SW1
ON
1
2
3 4
5
6 7 8
PL3
1
2
3
4
COM-2
TB3
3
2
1
PL1
1
2
3
4
RS-
422
Com-1 (TB1)
RS-422
Connector
LK11
B A
LK10
LK9
LK16
A B
LK7
LK8
LK2
KB
D8
TB2
+TX
-TX
+RX
-RX
Com-2 (TB2)
RS-422
Connector
D
8
D
10
D
11
LK
2
PORT
80H
D
13
0
1
2
3
4
5
6
7
COM-1
COM-2
PL2
SW1
ON
1 2 3 4 5 6 7 8
PL3
1
2
3
4
RS-
422
COM-2
TB3
3
2
1
PL1
1
2
3
4
TB1
D3
D2
LK10
LK9
LK16
A B
LK7
LK8
LK1
LK4
LK3
A
LK6
LK5
LK17
B
Receive Data
(RX) LED
D6
LK11
B A
D1
Transmit Data
(TX) LED
Jumpers