Table of Contents
Advertisement
CNU1/1A and CNU2/2A Pinout
Table 3. CNU1/1A and CNU2/2A pinout assignments.
CNU1 Pinout
Pin #
(Control Board)
1
P24
2
Gnd
3
Tx (-)
4
Rx (+)
5
Rx (-)
6
Tx (+)
7
RS232/RS485
8
Gnd
Note:
For normal operation, connect CNU1 to CNU1A. Connecting CNU1 to CNU2A will
result in a failed communications condition indicated by a continuous splash screen
display. Connect CNU1 to CNU1A and continue normally.
See the 7-Series Communications Manual (P/N 53840) for more information on the
WX9 ASD communications protocol and system configuration requirements.
CN3 Pinout
CN3 is used for RS232/RS485 serial communications.
26
CNU1A Pinout
Pin #
(EOI)
P24
Gnd
RXA
TXA
TXB
RXB
CNU3
Gnd
WARNING
Table 4. CN3 pinout assignments.
Pin Number
1
RS232/RS485 Signal +
2
RS232/RS485 Signal -
3
RS232/RS485 Signal Gnd
4
Shield
CNU2 Pinout
(Control Board)
1
P24
2
Gnd
3
Rx
4
Gnd
5
Tx
6
Gnd
7
Open
8
Gnd
CNU3 Pinout
(Control Board)
WX9 ASD Installation and Operation Manual
CNU2A Pinout
(EOI)
P24
Gnd
Tx
Gnd
Rx
Gnd
Open
Gnd
Advertisement
Table of Contents
