The Allen‑Bradley 1769-IM12 module belongs to the CompactLogix I/O family. It provides twelve AC input points for high‑voltage digital signals. You can connect devices that output 200 to 240V AC. For instance, limit switches, push buttons, or proximity sensors work well with this module. Moreover, each input accepts voltage from 159 to 264V AC at 47 to 63 Hz.
Additionally, the 1769-IM12 offers reliable performance in industrial environments. The minimum ON‑state voltage is 159V AC at 5 mA current. The maximum OFF‑state voltage is 40V AC at 2.5 mA. The signal delay time from ON to OFF is 20 milliseconds. Therefore, you get consistent and predictable input behavior.
Key Parameters:
Number of inputs: 12 internally connected commons
Input voltage range: 159 to 264V AC (operational)
Nominal voltage: 200 to 240V AC
Frequency range: 47 to 63 Hz
Minimum ON‑state voltage: 159V AC at 5 mA
Maximum OFF‑state voltage: 40V AC at 2.5 mA
Signal delay (ON to OFF): 20 milliseconds
Backplane current draw: 100 mA
Inrush current: 12 mA at 120V AC
Input impedance: 27 kΩ at 50 Hz, 23 kΩ at 60 Hz
Heat dissipation: 3.65 Watts
Isolation voltage: 132V AC (IEC Class 2 reinforced, tested at 1836V AC for 1 second)
Wire type: Copper, 90°C rating
Wire size (solid): 22-14 AWG
Wire size (stranded): 22-16 AWG
Replacement terminal block: 1769-RTBN18
Power supply distance rating: 8 modules
The 1769-IM12 measures 118 mm in height (4.65 inches), 35 mm in width (1.38 inches), and 87 mm in depth (3.43 inches). Its weight is approximately 0.30 kg (0.61 lbs). You can mount it on a DIN rail or a panel. The module uses an open‑style enclosure for better heat dissipation. Terminal screws require proper torque for reliable connections.
The operating temperature range spans 0 to 60°C (32 to 140°F). Relative humidity can reach 95% without condensation. The module resists operational shock up to 30G. Additionally, it withstands operational vibration of 5G at 10 to 500 Hz. Maximum operating altitude is 2000 meters (6561 feet) without derating.
First, ensure the system power supply is turned off. Also disconnect all AC power sources. Next, mount the 1769-IM12 onto the DIN rail or panel. Connect it to the adjacent module using the bus interface. Then, wire your AC field devices to the removable terminal block. The replacement part number for this block is 1769-RTBN18. Use copper wire between 22 and 14 AWG for solid wire, or 22 to 16 AWG for stranded wire.
Keep wire lengths reasonable to maintain signal integrity. After wiring, insert the terminal block into the module. Finally, power up the system and verify proper operation. The 1769-IM12 communicates with the controller through the bus interface. No external power supply is necessary for the module itself.
The 1769-IM12 is designed specifically for 240V AC signals. This makes it ideal for retrofit projects. Many older machines use 240V AC sensors and switches. You can connect these directly to the 1769-IM12 without external signal conditioners.
Furthermore, the module features internally connected commons for all twelve inputs. This simplifies wiring. You only need one common connection for the entire group. The input impedance varies slightly with frequency. At 50 Hz, impedance is 27 kΩ. At 60 Hz, impedance is 23 kΩ. Therefore, the module works correctly on both power systems.
The 1769-IM12 offers specific advantages for high‑voltage AC applications. For instance, many standard input modules accept only 24V DC. If your field devices use 240V AC, you need a dedicated AC module. The 1769-IM12 solves this problem directly.
Additionally, the reinforced isolation protects your controller from high voltages. The module is tested at 1836V AC for 1 second between inputs and the bus. This provides excellent safety and reliability. The open‑style enclosure allows heat to dissipate effectively. Therefore, the module runs cool even in warm cabinets.
This module works with CompactLogix controllers. It also fits into any 1769 Compact I/O chassis. The bus interface supplies 5V and 24V DC power to the module. No external power supply is necessary. However, remember the power supply distance rating. You cannot place this module more than 8 slots away from the system power supply. Otherwise, voltage drop may occur.
The 1769-IM12 is a current product from Allen‑Bradley. It remains in active production. Therefore, availability and support are both excellent.
1769-IM12 AC Input Module (1 unit)
Removable terminal block (compatible with 1769-RTBN18)
Quick start user guide
Bus connector cover
Note: No certificates or warranty documents are included in the package.
We ship worldwide using FedEx, UPS, or DHL. The gross weight is 0.30 kg. Standard delivery takes 3‑7 business days. A tracking number will be provided after shipment.
1. What types of field devices can I connect to the 1769-IM12?
You can connect any device that outputs 200‑240V AC digital signals. For example, limit switches, push buttons, selector switches, or AC proximity sensors work well with the 1769-IM12.
2. What replacement terminal block fits the 1769-IM12?
The correct replacement is part number 1769-RTBN18. This removable terminal block allows easy wiring changes without removing the module from the DIN rail.
3. Does this module work with 120V AC signals?
No, the 1769-IM12 is designed for 200‑240V AC nominal input. For 120V AC applications, please use the 1769-IA16 or similar 120V AC input module.
4. What is the power supply distance rating for this module?
The rating is 8 modules. This means the 1769-IM12 must be installed no more than 8 slots away from the system power supply. Exceeding this limit may cause voltage drops.
5. Can I use this module with a MicroLogix 1500 controller?
Yes, the 1769-IM12 is compatible with both CompactLogix and MicroLogix 1500 controllers. It fits into any 1769 Compact I/O chassis.
| Brand Name | Allen-Bradley |
| Model No. | 1769-IM12 |
| Product Type | Input Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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