Allen-Bradley/Rockwell Automation 1771-WB field wiring arm

The Allen-Bradley/Rockwell Automation 1771-WB field wiring arm has been designed and manufactured as part of the PLC 5 series. It is the field wiring arm for the Allen-Bradley/Rockwell Automation 1771-QA stepper motor positioning assembly. A complete 1771-QA stepper motor positioning assembly includes the 1771-WB field wiring arm, a stepper controller module, and an output expander module. This wiring arm can support 8 I/O modules.

1771 PLC-5 System, Field Wiring Arm, 12 Terminals, Gold Plated

I/O Modules and Hardware

Wiring ArmsField Wiring Arm, 12 Terminals, Gold Plated

Technical specifications for 1771-WB

ManufacturerRockwell Automation

BrandAllen-Bradley

Part Number/Catalog No.1771-WB

Module TypeWiring Arm

Max Number of I/O8 I/O

Number of Terminals12 Terminals

Max Fuse SizeN/A

Contact PlatingGold

Screw Torque7-9 lb*in

Typical ApplicationAnalog

Weight0.1 lbs (0.1 kg)

CoatingConformal Coat

Required External PowerNone

Typical AC Signal Delay (Off)29 (+/- 8) ms

Typical DC Signal Delay (Off)30 (+/- 7) ms

Wiring Arm1771-WN

Dimensions4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)

The Allen-Bradley 1771-WB is a PLC-5 field wiring arm for the analog I/O module. It has 12 terminals available that have gold contact plating and can support up to 8 I/O points and it uses a thermoplastic material. This conformally-coated wiring arm is typically used for analog applications and does not require an external power source. It also helps ensure the connection integrity in the system, as well as provide easy and flexible interconnections between the Allen-Bradley 1771 I/O modules and the plant wiring. Note that you can directly clamp or spade lug an AWG 14 wire to the 1771-WB wiring arm. It has dimensions of 4.5 x 12.4 x 6.3 inches and a weight of 0.1 lbs.