Digital I/O Modules
1771 Digital AC/DC Input Modules
| Cat. No. | Number of Inputs | Voltage Category | Operating Voltage | Signal Delay (typical) | Off-State Current, Max . | Wiring Arm | Backplane Current Load | Applications |
| 1771-IN | 8 | 24V AC/DC | 12…28V AC | on = 18 (±10) ms off = 18 (±10) ms | 2.8 mA | 1771-WA | 80 mA | General-purpose 24V AC inputs |
| 1771-IND | 16 | 16…30V AC 9…30V DC | on AC = 35 (±10) ms off AC = 45 (±15) ms on DC = 10 ms off DC = 50 ms | 1.5 mA AC 0.6 mA DC | 1771-WH | 250 mA | General-purpose 24V AC/DC inputs | |
| 1771-ID | 6 | 120V AC/DC | 92…138V AC 92…138V DC | on/off AC = 24 (±10) ms on DC = 10 (±4) ms off DC = 20 (±9) ms | 1.7 mA | 1771-WD | 74 mA | Isolated-circuit multi-phase applications |
| 1771-IA | 8 | 87…138V AC 97…138V DC | 2.8 mA | 1771-WA | 75 mA | General-purpose 120V AC/DC proximity switches | ||
| 1771-IAD | 16 | 79…138V AC 79…138V DC | on AC = 5 (±3) ms on DC is selectable: 3 (±0.1)ms or 10(±1)ms off AC /dc=25 (±5) ms | 3.0 mA AC 0.8 mA DC | 1771-WH | 195 mA | General-purpose 120V AC/DC inputs | |
| 1771-IAN | 32 (4 sets of 8) | 85…138V AC | on = 10 (±7) ms off = 20 (±15) ms | 2.3 mA 60 Hz 1.9 mA 50 Hz | 1771-WN | 280 mA | General-purpose 120V AC inputs | |
| 1771-ID16 | 16 | 77…138V AC 105…138V DC | on = 1 ms off AC = 9 or 18 ms off DC = 9 ms | 4.0 mA AC 0.8 mA DC | 1771-WN | 75 mA | General-purpose 120V AC/DC isolated-circuit multi-phase applications | |
| 1771-ID01 | 6 | 220V AC/DC | 184…276V AC 18…276V DC | on/off AC = 20 (±10) ms on DC = 10 (±4) ms off DC = 20 (±9) ms | 0.7 mA AC 1.0 mA DC | 1771-WD | 74 mA | Isolated-circuit multiple-phase applications |
| 1771-IM | 8 | 184…276V AC 184…276V DC | on AC = 20 (±6) ms on DC = 10 (±4) ms off AC = 20 (±6) ms off DC = 20 (±9) ms | 1.0 mA | 1771-WA | 75 mA | General-purpose 220V AC/DC inputs | |
| 1771-IMD | 16 | 184…250V AC 166…230V DC | on = 15 (±8) ms off = 172 (±56) ms | 13.0 mA AC 0.25 mA DC | 1771-WH | 250 mA | ||
| 1771-sc-IMI16‡ | 16 | 159…264V AC 184…276V DC | on AC = 11 (±6) ms on DC = 3 (±2) ms off AC = 29 (±8) ms off DC = 30 (±7) ms | 2.8 mA AC 0.35 mA DC | 1771-WN | 100 mA | Isolated-circuit multiple-phase applications |
