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 Access Control Systems > KeyMaster® > System Controllers > AC-3151TM
| The AC-3151 Door controller is a remote I/O Unit that has two Wiegand interfaces, four (4) optically-isolated digital inputs, and two (2) digital relay outputs and can be used when extending the reach of a small access control system to include more remote areas. The digital inputs can be used for monitoring the status of a door lock, push-button, or the position of a door or turnstile. The digital relay outputs can be used to switch resistive loads (e.g., logic circuits, lamps, resistive elements), and, with special precautions, inductive loads such as solenoids, locks, and relays.
 | Dual Wiegand interface |
| KeyMaster Pro 4.0 & KeyMaster Lite 3.0 support |
| EIA-485 scanner network interface |
| Four (4) opto-isolated digital inputs |
| Two (2) change-over relay outputs |
| Addressable for communication with EIA-485 network |
| 12VDC operation |
| Compatible with AC-3114 and AC-4101 system controllers |
| Compact size - 80mm (3.15in.) x 120mm (4.72in.)x 60mm (2.36in.) |
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