Horner APG QX651 OCS User Manual
Page 10

MAN0543-03
05 MAR 2003
PAGE 10
2.8
CAN Network / DeviceNet Network Port and Wiring
Table 4 – CAN Port Pins
Pin
Signal
Description
1
V-
Power -
2
CN_L
Signal -
3
SHLD
Shield
4
CN_H
Signal +
5
V+
Power +
Note: To optimize CAN network reliability in electrically noisy environments, the CAN power
supply needs to be isolated (dedicated) from the primary power.
2.9
RS-232 Port / RS-485 Port
There are a variety of ways to connect to the RS-232 and RS -485 ports; Two modular jacks (MJ1 and
MJ2) and a serial connector (CN1) are available for use.
Table 5 – Ports and Functions (Port 1, 2, and 3)
RS-232
RS-485
Functions
Port 1
Port 1
Programming, Debugging
Monitoring, Configuring.
Port 1,
Port 2,
Port 3
Port 1,
Port 2,
Port 3
Ladder Logic-Controlled Serial
Communications
(e.g. communications to printers,
bar code scanners, terminals,
Modbus, and other types of
applications.
Port 3
Port 3
Modems
Figure 14 – Network Connector (CAN Port)
V+
CN_H
SHLD
CN_L
V-
1 2 3 4 5
V-
CN_L
SHLD
CN_H
V+
1 2 3 4 5
Figure 15 – As viewed looking at
the Color Touch OCS