Horner-apg XL7 OCS User Manual download pdf (Page 27)

XL7 User Manual

6.4 Cscape Programming via CAN

The CAN1 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 XL7 OCS CAN1 port, Cscape can access the XL7 OCS for

programming and monitoring.

In addition, the XL7 OCS supports single-point-programming of all XL7 OCS and other OCS/RCS devices

that are connected to the CAN1 port network. If the PC COM port is connected to the XL7 OCS MJ1

serial port, the XL7 OCS can act as a pass-through gateway allowing Cscape to access all XL7 OCS and

OCS/RCS devices that are attached to the CAN1 port network.

6.5 Ladder-Controlled CAN Communication

Using Put and Get Network Words function blocks, the CAN 1 port can exchange digital and analog

global data with other XL7 OCS or OCS/RCS devices (nodes) attached to the CAN1 port network.

In addition, Put and Get Network Heartbeat function blocks allow nodes on the CAN 1 port 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, SmartBlock or SmartRail) to the XL7 OCS CAN1 or CAN2

port, allows the XL7 OCS I/O to be economically expanded and distributed. A variety of modules are

available for this purpose.

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Horner-apg XL7 OCS User Manual Page 27