PRODUCT INFORMATION
Product Overview
Revision scope: These specifications describe 1756-OW16I/A (Series A). Check the corresponding technical data before specifying another hardware series.
The Allen-Bradley 1756-OW16I is a ControlLogix isolated relay output module. It provides 16 individually isolated normally open contact outputs. The unit supports operating voltages from 10 to 240V AC and 5 to 125V DC. Continuous isolation provides 250V basic insulation between outputs and to the chassis backplane.
This single-slot module draws 150 mA at 5.1V DC and 150 mA at 24V DC backplane power. Total backplane power consumption is 4.4 W with maximum dissipation of 4.5 W at 60 °C. Field connections interface via 36-pin removable terminal blocks. Configurable fault and program modes allow user-defined hold, on, or off states per point.
TECHNICAL DATA
Technical Specifications
These specifications describe 1756-OW16I/A (Series A). Check the corresponding technical data before specifying another hardware series.
| Parameter | Specification |
|---|
| Outputs | 16 N.O. individually isolated |
|---|
| Operating Voltage Range | 5…125V DC, 10…240V AC |
|---|
| Pilot Duty Rating | C300, R150 |
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| Contact Current Ratings | 1 A @ 5…30V DC, 0.5 A @ 48V DC, 0.22 A @ 125V DC, 1.5 A @ 120V AC, 0.75 A @ 240V AC |
|---|
| Output Delay Time | 10 ms maximum (Off to On), 10 ms maximum (On to Off) |
|---|
| Backplane Current Draw | 150 mA @ 5.1V DC, 150 mA @ 24V DC |
|---|
| Total Backplane Power | 4.4 W |
|---|
| Power Dissipation | 4.5 W maximum @ 60 °C (140 °F) |
|---|
| Thermal Dissipation | 15.35 BTU/hr |
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| Off-State Leakage Current | 1.5 mA maximum per point |
|---|
| Minimum Load Current | 10 mA per point |
|---|
| Initial Contact Resistance | 100 mΩ maximum @ 6V 1 A |
|---|
| Switching Frequency | 1 operation per 3 s maximum (0.3 Hz at rated load) |
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| Continuous Isolation Voltage | 250V (basic insulation type, outputs-to-backplane and output-to-output) |
|---|
| Slot Width | 1 chassis slot |
|---|
TECHNICAL INFORMATION
Order Information
| Revision Part # | Also known as | Reference Price |
|---|
| 1756-OW16I Ser A | 1756-OW16I/A, Series A | USD 366.00, indicative (Used/Refurbished) |
Reference prices are observed third-party market prices for the stated revision, not a final Aituos quotation.
TECHNICAL INFORMATION
Features
- Provides 16 normally open contact outputs with point-to-point isolation.
- Accommodates operating voltages from 5 to 125V DC and 10 to 240V AC.
- Delivers 250V continuous basic isolation outputs-to-backplane and output-to-output.
- Supports software configurable electronic keying to prevent incorrect chassis placement.
- Provides 10 ms maximum delay times for off-to-on and on-to-off switching.
- Offers user-selectable hold, on, or off states for fault and program modes.
TECHNICAL INFORMATION
Applications
- Isolated contact switching for mixed AC and DC voltage circuits.
- Pilot duty switching meeting C300 and R150 standards.
TECHNICAL INFORMATION
Connections / Interfaces
- Interfaces directly with a ControlLogix chassis backplane.
- Connects using 1756-TBCH 36-pin removable terminal blocks.
- Connects using 1756-TBS6H 36-pin removable terminal blocks.
- Accepts 1756-JMPR jumper bars for field wiring distribution.
TECHNICAL INFORMATION
Installation Guidelines
- Installs into any single slot of a ControlLogix chassis.
- Outputs are not protected by internal fuses.
- External fusing or fused IFMs can be used to protect output points.
- Follow Category 1 conductor routing guidelines to minimize signal interference.
TECHNICAL INFORMATION
Configuration Guidelines
- Configure output states to hold last state, on, or off in fault mode.
- Configure output states to hold last state, on, or off in program mode.
- Set electronic module keying through software configuration.
- Scheduled outputs synchronize within 16.7 s maximum to the Coordinated System Time.
TECHNICAL INFORMATION
Compatibility
- Operates in ControlLogix 1756 chassis.
- Requires 1756-TBCH or 1756-TBS6H removable terminal blocks.
TECHNICAL INFORMATION
Compliance and Certifications
- cULus Listed Industrial Control Equipment (UL File E65584)
- cULus Listed for Class I, Division 2 Groups A, B, C, D (UL File E194810)
- CE compliant with EN 61326-1, EN 61000-6-2, EN 61000-6-4, and EN 61131-2
- FM Approved for Class I, Division 2 Groups A, B, C, D Hazardous Locations
- RCM, KC, and UKCA compliant
TECHNICAL RESOURCES
Documentation
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSOperates in ControlLogix 1756 chassis. Requires 1756-TBCH or 1756-TBS6H removable terminal blocks.
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 contact configuration of the 1756-OW16I/A?
The module provides 16 individually isolated normally open relay contact outputs.
Which removable terminal blocks fit the 1756-OW16I/A?
The module requires 36-pin ControlLogix terminal blocks 1756-TBCH or 1756-TBS6H.
Does the 1756-OW16I/A have internal output fuses?
No. The outputs lack internal fuses, so external fusing or fused IFMs must be applied.
What is the reference price for the 1756-OW16I/A?
Market records indicate a reference price of approximately $366.00 USD for refurbished condition. This figure is an indicative market reference only and is not a final quotation.
