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A-B Rockwell 1771-WD Field Wiring Arm

From:A-B | author:Mr.Chen | Time :2024-06-27 | 122 view: | Share:

The Allen-Bradley 1771-WD field wiring arm is a PLC 5 and Bulletin 1771 series field wiring arm.

It fits different Allen-Bradley digital I/O modules, such as the 1771-OZL digital contact output module,

1771-ODZ digital AC output modules, and 1771-ID AC/DC input modules.

The 1771-WD field wiring arm mounts via a pivot bar that attaches to the bottom of the 5 I/O chassis in the PLC 1771 series.

It is designed to pivot upward to connect to the module and allows the module to be installed or removed without disconnecting all system wires.

The 1771-WD field wiring arm is conformal coated and requires no external power.

About the 1771-WD

The Allen-Bradley/Rockwell Automation 1771-WD Field Wiring Arm is a field wiring arm.

The arm is used with a variety of modules, such as the Allen-Bradley 1771 Digital Contact Output Modules (1771-OW, 1771-OYL, 1771-OZL).

Allen-Bradley 1771 digital AC output modules (1771-OD, 1771 ODZ, 1771-OR)

and Allen-Bradley 1771 Digital AC/DC Input Modules (1771-ID, 1771-ID01).

Note that the 1771-WD field wiring arm is used to connect the modules. The wiring arm attaches to the pivot bar on the bottom of the I/O chassis.

The field wiring arm rotates upward and connects to the module, allowing the module to be installed or removed without disconnecting wires.

Disconnect power from the module before connecting to the Allen-Bradley 1771-WD field wiring arm.

To make the connection, swing the junction arm to a position on the front of the module where the locking tabs on the module hold the 1771-WD field junction arm in place.

The actual connections should be followed after this step. Note that there is 1 wire per terminal.

However, if more than one connection needs to be made to a terminal, an auxiliary terminal strip should be used.

Note that the field wiring arm terminal identification number is different from the bit number that controls the specific output.

The Allen-Bradley 1771-WD field wiring arm supports 7 to 9 pounds of screw torque on one inch.

To indicate that a field load has been applied to the field wiring, all of the module's status indicators will be illuminated.

Note that the 1771 gauge wire connected to all terminals on the 14-WD field wiring arm may not allow the field wiring arm cover to close.

Therefore, a smaller gauge wire may be required when this occurs.

1771-WD Technical Description

Allen Bradley PLC 5 wiring arm, 8 I/O, 12 terminals, 7-9 lb*in thread torque, tinned contacts.

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