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SKU
1771-is
| Manufacturer | Industrial Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1771-IS |
| Module Type | Specialized I/O Module |
| Number of Inputs | 72 Direct Digital Inputs for up to four 4-digit BDC TW, six 3-digit BDC TW, or 72 discrete switches |
| Number of Outputs | N/A |
| Input Voltage Range | 5 Volts DC (Supplied by Module) |
| Output Voltage Range | N/A |
| Slots | 1 Slot |
| Backplane Current | 0.8 Amperes |
| Wiring Arm | 1771-WF |
| Module Scan Time | 15.3 ms (normal) and 5.1 ms (fast) |
| Coating | Conformal Coat |
| Typical AC Signal Delay (Off) | 45 (+/- 15) ms |
| Typical DC Signal Delay (Off) | 50 ms |
| Wiring Arm | 1771-WH |
| Mounting | Rack Mountable |