Product Details
Configured for primary AC line power conversion and DC voltage regulation in Honeywell 620 Programmable Logic Controller racks, the Honeywell 620-0083 (620-0083 Processor Power Supply) provides direct physical/electrical execution. Operating with selectable 115/230 VAC inputs at 47 to 63 Hz, the module supplies a regulated +5 VDC output up to 15 A max alongside symmetrical +/- 15 VDC rails at 2 A max. Total continuous power output reaches 90 W max to energize backplane logic transceivers and local processor circuitry.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 620-0083 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 4.30 lbs (1.95 kg) |
| Dimensions | Standard 620 Series Rack Slot Profile |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 110 VA Max Input Rating |
| Input Voltage | 115/230 VAC (Selectable), 47/63 Hz |
| +5 VDC Output | +5 VDC @ 15 A Max |
| +/- 15 VDC Output | +/- 15 VDC @ 2 A Max |
| Max DC Output Power | 90 W Max |
| Product Category | Processor Power Supply |
| System Compatibility | Honeywell 620 PLC System |
Channel-to-Channel Isolation
The 620-0083 power supply integrates internal galvanic isolation barriers between primary AC line inputs and low-voltage secondary DC outputs (+5 VDC and +/- 15 VDC logic buses). High-frequency switching transformers and optocoupled feedback loops isolate incoming line transients from backplane communication channels. This channel-to-channel isolation architecture prevents common-mode voltage spikes and ground loop noise from disrupting processor execution cycles.
Frequently Asked Questions
Q: How is the primary AC input voltage selection configured between 115 VAC and 230 VAC on the 620-0083?
A: Input voltage selection is set via internal terminal jumper links or a hardware selector switch on the module assembly prior to applying line power.
Q: What happens if the combined DC load across the +5 VDC and +/- 15 VDC rails exceeds 90 W?
A: The internal overcurrent protection circuit engages to clamp output voltages and limit current delivery, preventing thermal damage to the power supply and backplane logic.
Q: Can the 620-0083 power supply module be extracted or replaced while the AC main voltage is live?
A: No, AC input power must be completely isolated before inserting or removing the power supply module from the rack chassis to prevent arcing and logic card corruption.
Field Installation Guidelines
- Ensure the main AC circuit breaker feeding the PLC chassis is locked out and tagged out prior to installation.
- Verify that the internal voltage selector configuration matches the plant supply voltage (115 VAC or 230 VAC) before mounting.
- Slide the 620-0083 module securely into the designated power supply slot of the Honeywell 620 rack until rear backplane connectors seat fully.
- Fasten all front panel retention screws to ensure chassis frame electrical continuity and mechanical retention.
- Connect input power wiring to the terminal strip using crimped spade lugs, maintaining a dedicated green/yellow wire for chassis protective earth ground.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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