PRODUCT INFORMATION
Product Overview
The Allen-Bradley 1746-IH16 is an SLC 500 Current Sinking DC Input Module. It installs into any available slot in a 1746 chassis. The unit provides 16 current-sinking input channels with 16 points sharing a single common. It operates over a voltage range of 90 to 146 Volts DC. Backplane current draw is rated at 85 milliamps at 5 Volts DC.
This module features a maximum off-state voltage of 20 Volts DC and 0.8 milliamps off-state current leakage. Signal delay is 9 milliseconds for both on and off states. Overall heat dissipation is rated at 5.17 Watts. Operating temperature spans 0 to 60 degrees Celsius with relative humidity between 5 and 95 percent non-condensing.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Applications | General Purpose 125 Volts DC Inputs |
|---|
| Backplane Current (5 Volts DC) | 85 milliamps |
|---|
| Category | PLCs |
|---|
| I/O Connection | 1746-HT and 1746-HCA |
|---|
| Inputs | 16 |
|---|
| Module Type | Digital DC Input Module |
|---|
| Off State Current | 0.8 milliamps |
|---|
| Signal delay | 9 milliseconds |
|---|
| Step Response | 100 milliseconds in, 2.5 milliseconds out |
|---|
| UPC | 662468661300 |
|---|
| Voltage Range | 90-146 Volts DC Sink |
|---|
| Weight | 0.75 lbs (0.34 kg) |
|---|
| Number of Inputs | 16 (Sinking) |
|---|
| Voltage Category | 125V DC |
|---|
| Operating Voltage Range | 90–146V DC |
|---|
| Nominal Input Current | 2.15 mA @ 125V DC / 2.25 mA @ 132V DC |
|---|
| Backplane Current Draw | 85 mA @ 5V DC / 0 mA @ 24V DC |
|---|
| Signal Delay (On / Off) | 9 ms / 9 ms |
|---|
| Off-State Voltage (Max) | 20V DC |
|---|
| Operating Temperature | 0–60°C (32–140°F) |
|---|
TECHNICAL INFORMATION
Features
- Provides 16 sinking DC input channels with 16 points per common.
- Accepts input operating voltages ranging from 90 to 146 Volts DC.
- Supplies 9 millisecond hardware signal delay for on and off transitions.
- Draws 85 milliamps at 5 Volts DC from the backplane.
- Includes circuit isolation between input field wiring and backplane logic.
TECHNICAL INFORMATION
Applications
- General purpose 125 Volts DC input sensing in industrial control systems.
- Signal acquisition from sinking DC sensors and switching devices.
- SLC 500 rack-based discrete monitoring in factory automation lines.
TECHNICAL INFORMATION
Connections / Interfaces
- Compatible with 1746-HT and 1746-HCA interface connections.
- Equipped with a removable terminal block for field wiring.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the module into any free slot of an SLC 500 1746 chassis.
- Ensure system power is disconnected prior to inserting or removing hardware.
TECHNICAL INFORMATION
Compatibility
- Compatible with Allen-Bradley SLC 500 1746 I/O chassis.
- Operates with 1746-HT and 1746-HCA connection hardware.
TECHNICAL INFORMATION
Compliance and Certifications
- C-UL certified.
- CSA certified.
- Meets NEMA standard ICS 2-230 noise immunity requirements.
TECHNICAL RESOURCES
Documentation
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSCompatible with Allen-Bradley SLC 500 1746 I/O chassis. Operates with 1746-HT and 1746-HCA connection hardware.
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What is the operating voltage range of the 1746-IH16 module?
The operating voltage range spans 90 to 146 Volts DC for all 16 current sinking inputs.
How much backplane current does the 1746-IH16 draw?
The module draws 85 milliamps at 5 Volts DC from the backplane and 0 milliamps at 24 Volts DC.
What is the reference price for the Allen-Bradley 1746-IH16?
Observed market reference pricing is approximately 329.00 USD for refurbished condition. This figure is an indicative market reference only and not a final quotation.
