ProSoft Technology WRC-CANX - Manual (Page 6)

Western Reserve Controls WRC-CANX-xx Series 4
PUB 14.1 User’s Manual
2
1.1. Series 4 Specific Features
The Series 4 CANX provides enhancements over previous versions. Enhancements include:
* CAN 2A and 2B support
* New Switch settings allow selection for CANopen speeds up to 1 M Baud in addition to the
standard DeviceNet Baudrates
* Increased message internal buffers – Automatic Memory Technology (AMT) operation
* Shorter latency time compared to CANX series 3
* Improved Reverse voltage protection and Can data lines noise immunity
* Jumper-selectable terminating resistors on-board the CANX
1.2. Features
The WRC-CANX has the following features:
Extends CAN-Bus cable lengths - trunk line or drop lines
Allows operation at higher speeds for specific distances
Expands the usable applications for CAN-Bus systems
Operates at 9.6K, 10K, 20K, 40K, 50K, 100K 125K, 250K, 500K, 800K and 1M baud
Operates up to 1M baud for other CAN protocols
No configurable parameters
Automatic baud rate selection
No address selection required
Isolates the two sides of the bus - 2500 volts
Logically transparent to the Master and Slave devices on the bus
DeviceNet; SDS; CANopen, J1939, CAN, V2.0, Part A and Part B compatible
Powered from the 24Vdc supplied by bus network or the user
Two mechanical packages:
DIN rail mount: WRC-CANX-DIN
Sealed NEMA-4X enclosure: WRC-CANX-NEM
5-pin pluggable connection for the DIN mount unit
5-pin round mini-style connection for the NEMA mount unit
Standard CAN chips manage bus error detection
Standard CAN chips handle message bus contention
Less than 100 µsec latency
4 bi-color (red/green) status LED's
CE Compliant for WRC-CANX-NEM-xx versions
EN 55011 Class A
EN 50082-2: 1994
1.3. Basic Operation
There are two bus connections for each CANX, referred to as Network A and Network B. The
CAN Bus is connected to each side of the CANX and each side receives its power and signals from the
Bus on its respective side. See
Figure 1-2 for a typical application.