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ProSoft Technology WRC-CANR-DF User Manual

Page 15

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Western Reserve Controls

WRC-CANR-DF-DN and –SM User’s Manual

PUB 14.2

Revision 4.03

11

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)