Overview
The Honeywell 621-2150R is a 115VAC discrete output module engineered for industrial automation and process control. This 115VAC discrete output card is designed for the IPC/Logic Manager system, and is designed for Honeywell 620/621 Series controllers and TDC 2000/3000 distributed control systems. The discrete output module offers the ability to control the ON and OFF state of its end devices, with common output devices including motor starters, solenoid valves, and indicator lamps.
Key Features
- 16-point module with LED indication for each output circuit on the load side of the output
- All AC output modules incorporate zero crossing, with the output turned ON at the zero crossing of the AC waveform
- All discrete outputs are optically isolated to 2500 Vdc
- The ‘R’ suffix indicates the module can be removed or inserted into an I/O rack while the rack remains powered, with other I/O modules in the rack continuing to control the machine or process
- Converts controller commands into clean, isolated digital output signals for operating relays, contactors, solenoids, and other discrete field devices
Technical Specifications
- Output Points: 16-point discrete output
- Output Voltage: 115VAC, with a range of 90–140VAC for optimal operation
- Output Current: 2A per circuit, 12A per module total output
- Isolation: Optically isolated to 2500 Vdc
- Switching Method: Zero crossing AC control
- Weight: 630 gm (approx. 1.4 lbs)
- I/O Configuration: Output only
- LED Diagnostics: Per-circuit LED indication
Typical Applications
Common applications include control of motor starters, solenoid valves, and indicator lamps. The module is commonly used in power plants, refineries, petrochemical, and manufacturing facilities to control discrete devices, implement interlock logic, sequence operations, and perform reliable digital output functions in DCS environments.
Compatibility & Replacements
Compatible With
- Honeywell IPC 620 controllers
- Honeywell 620/621 Series controllers
- Honeywell TDC 2000 distributed control systems
- Honeywell TDC 3000 distributed control systems
- Honeywell Logic Manager systems
Replaces / Drop-In Replacement For
The 621-2150R is the original part number for 16-point 115VAC output modules in the Honeywell IPC 620 and TDC 2000/3000 series. Verify compatibility with your system integrator before ordering replacement or redundant units.
Works With
- Honeywell distributed control system (DCS) software
- Honeywell IPC programming tools and Logic Manager
- Standard industrial relay and contactor wiring
- PLC and DCS rackmount configurations
