Product Name: Digital Output Module
Brand Name: Allen-Bradley
Model Number: 1771-OM
Place of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Sales: |
Email: |
Whatsapp: |
Jim Pei |
| Product Name | Allen-Bradley 1771-OM Digital Output Module |
| Manufacturer | Allen-Bradley |
| Product Type | Digital Output Module |
| Part Number | 1771-OM |
| Weight | 0.64kg |
| Estimated shipping dimensions | 2.8x15.2x25.9cm |
| Place of shipment | Xiamen, China |
| Country of origin | USA |
| Outputs per Module | 8 (individually fused) |
| Output Type | Triac (Zero-crossing turn-on) |
| Voltage Range | 184 – 276V AC, 47 – 63 Hz |
| Continuous Current per Point | 2 A (max) |
| Total Module Current | 6 A (max) |
| Surge Current | 20 A for 100 ms, repeatable every 10s |
| On-State Voltage Drop | 1.6 V max at 2A |
| Off-State Leakage | 2 mA max at 220V AC |
| Turn-On Delay | 1.0 ms max |
| Turn-Off Delay | 8.3 ms max |
| Fuse Type | 2A, 250V, 3AG normal-blow (1 per output) |
| Fuse Indicator | Single front-panel LED (any blown fuse) |
| Backplane Current Draw | 225 mA at 5V DC |
| Power Dissipation | 13.2 W max / 1.2 W min |
| Thermal Dissipation | 45.1 BTU/hr max / 4.1 BTU/hr min |
| Isolation Voltage | 1500V AC (RMS) (backplane to field) |
| Field Wiring Arm | Cat. No. 1771-WA (included) |
| Wire Size | 14 AWG (2 mm²) stranded max, insulation 1.2 mm max |
| Terminal Screw Torque | 7 – 9 in-lbs |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Storage Temperature | -40 to 85 °C (-40 to 185 °F) |
| Humidity | 5 – 95% non-condensing |
|
Minimum Order Quantity |
1 Piece |
|
Price |
Contact for Jim |
|
Packaging Details |
Original new Factory Sealed |
|
Delivery Time |
3–7 Days |
|
Payment Terms |
T/T |
|
Shipping Method |
DHL / FedEx / UPS / TNT |
|
Supply Ability |
In stock |
The Allen-Bradley 1771-OM Digital Output Module is an 8-point AC digital output module designed for reliable switching of industrial field devices in PLC control systems. Featuring Triac zero-crossing outputs, it operates with 184–276 V AC input voltage and delivers up to 2 A per output with a maximum module current of 6 A. Individual output fusing, high isolation voltage, and fast switching performance make this module a dependable solution for controlling AC loads in demanding industrial automation applications.
Compared with similar digital output modules, the Allen-Bradley 1771-OM offers reliable AC load switching, built-in output protection, and dependable industrial performance.
Q1: What is the 1771-OM used for?
A1: 1771-OM is used to switch and control AC field devices such as contactors, solenoids, and indicator lights in PLC automation systems.
Q2: How many outputs does the 1771-OM provide?
A2: 1771-OM provides eight individually fused digital output channels.
Q3: What type of output does the 1771-OM use?
A3: 1771-OM uses zero-crossing Triac outputs for AC load switching.
Q4: What voltage range does the 1771-OM support?
A4: 1771-OM operates with AC voltages from 184 V to 276 V at 47 to 63 Hz.
Q5: What is the maximum output current of the 1771-OM?
A5: 1771-OM supports up to 2 A per output point and a maximum module current of 6 A.
Q6: Does the 1771-OM include fuse protection?
A6: 1771-OM includes one 2 A, 250 V fuse for each output channel and a front-panel LED that indicates when any fuse has blown.
Q7: What is the isolation voltage of the 1771-OM?
A7: 1771-OM provides 1500 V AC RMS isolation between the backplane and field wiring.
Q8: What field wiring arm is compatible with the 1771-OM?
A8: 1771-OM is supplied with the 1771-WA field wiring arm for convenient installation.
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