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Allen-Bradley 1756-IC16A ControlLogix 16-Point 48V DC Isolated Contact Input Module
Manufacturer:Allen-Bradley
model name：1756-IC16A
Country of Origin: Finland (FI)
Estonia (EE)
Customized: Yes
Minimum order quantity: 1 piece
Order multiplier: 1 piece
Part type: New
WhatsApp：15359213550
WeChat：15359213550
Allen-Bradley 1756-IC16A ControlLogix 16-Point 48V DC Isolated Contact Input Module
Product Overview
The Allen-Bradley 1756-IC16A is a ControlLogix 16-point 48V DC isolated contact input module designed for industrial applications that require higher-voltage DC signal acquisition. It converts field digital signals—such as limit switches, relay contacts, push buttons, and proximity sensors—into logic-level data for ControlLogix controllers.
This module supports 48V DC nominal input with an operating range of approximately 30–60V DC, and provides group isolation between input groups and the ControlLogix backplane. The isolated input design helps reduce the impact of ground loops, electrical noise, and voltage transients, making it suitable for electrically demanding environments such as heavy machinery, material handling systems, and process control installations.
The “/A” suffix indicates a specific revision of the 1756-IC16 module. Electrical characteristics, firmware support, or manufacturing details may vary between revisions, so final confirmation should be based on the product label and official Rockwell Automation documentation.
Key Features
- 16 digital input channels at 48V DC nominal voltage
- Operating input range approximately 30–60V DC
- Group isolation between input groups and backplane
- Configurable input filtering to suppress contact bounce and electrical noise
- LED indicators for module status and channel diagnostics
- Hot-swappable in a ControlLogix chassis
- Supports Change of State (COS) and input time-stamping
- Compatible with standard ControlLogix racks in any slot
Technical Specifications
Specifications are based on manufacturer documentation for the 1756-IC16 series and may vary by revision. Please verify the exact “/A” revision details before procurement.
Applications
The 1756-IC16A is commonly used in:
- 48V DC control circuits where standard 24V DC input modules are not suitable
- Heavy industrial machinery with higher-voltage sensor or relay feedback signals
- Material handling and conveyor systems requiring isolated input monitoring
- Process control panels with isolated contact signals from relays and switches
- Mining, metallurgy, energy, and large-scale manufacturing equipment
- System upgrades where existing 48V DC field wiring must be retained
Why Choose the 1756-IC16A
The 1756-IC16A is a strong choice when your system uses 48V DC field signals and requires better electrical isolation than standard non-isolated input modules. Its group isolation helps protect the ControlLogix backplane and controller from ground potential differences, while configurable filtering improves signal stability in noisy industrial environments.
For procurement teams, this module is especially useful when replacing legacy 48V DC input cards, standardizing spare parts for higher-voltage DC circuits, or integrating ControlLogix systems into equipment that already uses 48V DC control wiring.
Compatibility
The 1756-IC16A installs into a ControlLogix 1756 chassis and requires a compatible removable terminal block, typically a 20-point RTB such as 1756-TBNH or 1756-TBSH. It is configured using RSLogix 5000 or Studio 5000 Logix Designer, and communicates with ControlLogix controllers through the backplane.
Before ordering, please confirm the required revision, terminal block type, input voltage range, and compatibility with your existing ControlLogix system.
FAQ
What is the difference between 1756-IC16 and 1756-IC16A?
The “/A” indicates a revision level. Core functionality is similar, but electrical ratings, firmware, or manufacturing details may differ. Always verify the exact revision against your project requirements.
The “/A” indicates a revision level. Core functionality is similar, but electrical ratings, firmware, or manufacturing details may differ. Always verify the exact revision against your project requirements.
What voltage does the 1756-IC16A support?
It is designed for 48V DC nominal input, typically operating within a 30–60V DC range depending on environmental conditions and module revision.
It is designed for 48V DC nominal input, typically operating within a 30–60V DC range depending on environmental conditions and module revision.
Does it provide isolation?
Yes. It provides group isolation between input groups and the ControlLogix backplane, helping reduce ground loop and noise issues.
Yes. It provides group isolation between input groups and the ControlLogix backplane, helping reduce ground loop and noise issues.
Can it be hot-swapped?
Yes. ControlLogix I/O modules generally support hot swapping, but replacement should follow proper safety, wiring, and system procedures.
Yes. ControlLogix I/O modules generally support hot swapping, but replacement should follow proper safety, wiring, and system procedures.
Call to Action
Looking for the Allen-Bradley 1756-IC16A? Contact us for availability, lead time, pricing, and revision confirmation. We can help verify terminal block compatibility, input voltage requirements, and ControlLogix system integration details before shipment.
1756-IB32B
Our products are widely used in CNC mechanical metallurgy, petroleum and natural gas, and petrochemical industries,Chemical industry, paper and printing, textile printing and dyeing, machinery, electronic manufacturing, automobile manufacturing,Plastic machinery, electricity, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution.The quoted price is not the actual price. Please contact the shopkeeper before placing the order to confirm the price and delivery time!!!
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