User`s manual

Western Reserve Controls WRC-CANR-DF-DN and –SM User’s Manual
PUB 14.2 Revision 4.03
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When CANR-DF is used in a drop line (the Network A side is toward the main trunk), the Network
A connection must not be terminated. The user must remove the built-in terminator by removing the
jumper plug at W1.
Some specifications for the terminating resistor are:
Table 4-8 Terminating Resistors
DeviceNet SDS
121 ohm 120 ohm
1% metal film 2%
1/4 watt 1/4 watt
Important: Per the DeviceNet and SDS specs -- do not terminate devices on drop lines.
4.5.3. CAN-Bus Connection Wiring
The CANR-DF uses the round, mini-style connector on the copper side A and standard ST
connectors on the fiber side B.
1
2
3
4
5
Figure 4-2DeviceNet Network Side A cable connector – Male (pins)