Description
The Allen-Bradley 1746-OVP16 is a high-performance SLC 500 digital DC output module designed for industrial automation control systems requiring reliable switching of high-current loads. Engineered with sixteen sinking-type outputs operating at 24VDC, this module interfaces directly with actuators, solenoid valves, and indicator lamps within a modular SLC 500 rack configuration. It provides robust electrical isolation between the field-side devices and the controller backplane, ensuring stable operational performance in demanding discrete manufacturing environments.
This unit features integrated short-circuit protection via a fused common design, safeguarding internal circuitry against unexpected load faults. Front-panel status indicators deliver clear visual feedback regarding individual output point states, while dedicated diagnostic LEDs identify fused common status or processor error conditions. The module integrates seamlessly into any standard 1746 chassis slot, utilizing removable terminal blocks for efficient field wiring and simplified maintenance procedures.
Features
- 16 sinking-type DC output channels operating within a 20.4 to 26.4 VDC voltage range
- Built-in short-circuit protection via fused common design with blown fuse LED indication
- Processor error status LED indicator for enhanced diagnostic visibility
- Continuous current rating of 1.5A per point at 30 degC (86 degF) and 1.0A per point at 60 degC (140 degF)
- Fast signal response times with a maximum 0.1 ms ON-state delay and 1.0 ms OFF-state delay
- Color-coded removable terminal blocks for rapid installation and wiring integrity
Applications
- Discrete actuator and pneumatic solenoid valve control in automated assembly lines
- Interfacing with high-current DC indicator lamps, stack lights, and audible alarms
- Switching DC-powered relay coils and contactors within industrial control panels
- Remote rack I/O signal expansion for legacy Allen-Bradley SLC 500 processor systems
- Process control interlocks requiring short-circuit protected digital outputs
Technical Specifications
| Parameter |
Specification |
| Brand |
Allen-Bradley |
| Module Type |
Digital DC Output Module (Sinking) |
| Product Series |
SLC 500 (1746) |
| Catalog Number |
1746-OVP16 |
| Outputs per Module |
16 sinking |
| Operating Voltage Range |
20.4 to 26.4 VDC |
| Continuous Current per Point |
1.5A at 30 degC, 1.0A at 60 degC |
| Continuous Current per Module |
6.4A max |
| Surge Current per Point |
4.0A for 10 ms |
| Off-State Leakage Current |
1 mA max |
| Min Load Current |
1 mA |
| On-State Voltage Drop |
1.0V max at 1.0A |
| Backplane Current Draw (5VDC) |
250 mA |
| Backplane Current Draw (24VDC) |
0 mA |
| Signal Delay (Resistive Load) |
ON: 0.1 ms max; OFF: 1.0 ms max |
| Isolation Voltage |
Tested at 500V DC for 1 min (channel-to-backplane) |
| Country of Origin |
United States |
Compliance and Certifications
- UL Listed Industrial Control Equipment
- CE Compliant for applicable European directives
- cUL-us Listed for US and Canadian markets