Horner APG QX351 OCS HEQX351C103 - Manual (Page 30)

CH.6 MAN0892-03-EN
February 25, 2010 Page 30 of 109 # 1039
Table 6.1 – CsCAN Port Pin Assignments
Pin Signal Signal Description Direction
1 V- CAN Ground
−
2 CN_L CAN Data Low In/Out
3 SHLD Shield Ground
−
4 CN_H CAN Data High In/Out
5 NC No Connect
−
6.4
Cscape Programming via CAN
The NET1 port supports CsCAN Programming Protocol. If a PC has a CAN interface installed (via PCI
card or USB), and the PC CAN port is connected to the QX351 OCS NET1 port, Cscape can access the
QX351 OCS for programming and monitoring.
In addition, the QX351 OCS supports single-point-programming of all OCS devices that are connected to
a CAN network. If the PC COM port is connected to the QX351 MJ1 serial port, it can act as a pass-
through gateway allowing Cscape to access all OCS devices that are attached to the CAN network.
6.5
Ladder-Controlled CAN Communication
Using Put and Get Network Words function blocks, the NET1 port can exchange digital and analog global
data with other OCS devices (nodes) attached to the CAN network.
In addition, Put and Get Network Heartbeat function blocks allow nodes on the CAN network to regularly
announce their presence and to detect the presence (or absence) of other nodes on the network.
6.6
Using CAN for I/O Expansion (Network I/O)
Connecting Network I/O devices (SmartStix Modules) to the NET1 port allows the QX351 OCS I/O to be
economically expanded and distributed. A variety of SmartStix Modules are available for this purpose.