Products Description
The 1746-IM16 SLC 500 Digital AC Input Module by Allen-Bradley is an input (AC) module with sixteen 200-240V AC inputs and is fitted into any available SLC 500 I/O chassis using an RTB (Removable Terminal Block). It has 16 points per common and an input operating voltage of 170-265V AC at 47-63Hz. It has a backplane current rating of 0.085A at 5V DC and an electrical signal delay of 35ms for ON and 45ms for OFF state around its input points. It has an OFF-state rating of 50V AC voltage loss and 2mA maximum OFF-state current. The 1746-IM16 has an input current (nom) of 12mA around each input points and has a maximum surge current of 1.6A, which can last for a maximum duration of 0.5ms. It has a maximum power dissipation of 0.35W at each point and the total heat dissipated by the module is at 6W. It provides voltage isolation between input terminals and control logic tested at 1500V and is NEMA standard ICS 2-230-rated for noise immunity. The operating temperature of the 1746-IM16 ranges between 0 and 60 °C (32 and 140 °F) at 5-95% non-condensing humidity limits and it has a non-operational storage temperature of -40 and 85 °C (-40 and 185 °F). The 1746-IM16 has an operational shock withstand of 30G and can sustain an operating 2.5G vibration at 57-200Hz.
The Allen-Bradley 1746-IM16 is an SLC 500 AC input module. This module is specifically a discrete input module, featuring sixteen (16) input channels in a single group. Each channel of this input module operates at an input voltage range of 170-265 Volts AC, 47-63 Hertz with a nominal input signal of 200 / 240 Volts AC.
Technical specifications
| Manufacturer | Allen Bradley |
| Category | PLCs |
| Product Line | SLC 500 |
| Part Number | 1746-IM16 |
| Weight | 0.25 lbs (0.11 kg) |
| Signal delay | ON = 35 ms; OFF - 45 ms |
| Module Type | AC Input Module |
| Input voltage range | 170-265 VAC, 47-63 Hz |
| Off-state voltage, max | 30V AC |
| Off-state current, max | 2 mA |
| Input current | 12 mA @ 120V AC, nom |
| Inrush current, max | 0.8 A |
| Inrush current time duration, max | 0.5 ms |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Operating Temperature | 0...+60 °C (+32...+140 °F) |
| Relative Humidity | 5 to 95% without condensation |
| Agency Certification | UL / C-UL listed Class I, Division 2, Groups A, B, C, D CE marked for all applicable directives C-Tick marked for all applicable acts |
| Voltage Range | 170-265 Volts AC |
| Inputs | 16 |
| Backplane Current (5 Volts DC) | 85 milliamps |
| Off State Current | 2 milliamps |
| Applications | General Purpose 125 Volts DC Inputs |
| I/O Connection | 1746-HT and 1746-HCA |
| Step Response | 100 milliseconds in, 2.5 milliseconds out |
Install and Remove the Module

Follow these steps to install the module:
1. Disconnect power
2. Align the circuit board of module with the chassis card guide. (A)
3. Slide the module into the chassis until the bottom tabs lock into place. (B)
4. Route the wires down and away from the module, securing them with the wire tie. (C)
5. Cover all unused slots with Card Slot Filler, catalog number 1746-N2, to keep the chassis free from debris.
6. To remove the module, press and hold the module release located on each self-locking tab, and slide the module out of the chassis slot. (D)
Service and Warranty
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☆ For products listed as in stock, our company can provide video inspection prior to shipment to ensure product quality and specifications.
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