Product Details
The Honeywell 10205/2/1, also cataloged as the 10205/2/1 Fail-Safe Analog Output Module, operates as a dedicated hardware component for 0(4)-20 mA current loop safety control execution within Fail Safe Controller (FSC) platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 10205/2/1 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 7.00 kg shipping weight |
| Dimensions | 325 x 150 x 150 mm (4 HP, 3U chassis space) |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 5 VDC at 30 mA, 24 VDC at 65 mA (+ 30 mA per active output) |
| Output Channels | 2 active or passive channels (12-bit D/A conversion) |
| Current Output Range | 0-20 mA / 4-20 mA (Off current < 0.05 mA) |
| Active Loop Resistance | 1000 ohm maximum (30 VDC maximum output voltage) |
| Passive External Voltage | 40 VDC maximum (minimum voltage drop = 7.5 V) |
| Watchdog Input Current | 0.5 mA |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The module provides galvanic isolation between internal power rails and output current channels, with 0V 1 and 0V 2 internally interconnected to stabilize signal reference levels. This isolation architecture prevents ground loop interference, common-mode potential shifts, and external noise transients on active or passive field loops from coupling into adjacent analog processing channels or corrupting 4-20 mA HART loop protocol signals on connected process lines.
Frequently Asked Questions
Q: How is hardware calibration performed on the 10205/2/1 analog output channels?
A: Channel zero and span calibration is executed using potentiometers P2 and P3 on the module, monitored via a multimeter connected through an extender module and flat cable assembly.
Q: What key coding arrangement prevents incorrect module insertion into the rack slot?
A: Physical key coding utilizes holes at locations A9 and C5 on the module, matching large key pins at locations A9 and C5 on the rack backplane.
Q: Can the 10205/2/1 output channels drive passive loops powered by an external source?
A: Yes, each channel can operate in passive mode powered by an external supply up to 40 VDC, maintaining a minimum internal voltage drop of 7.5 V.
Field Installation Guidelines
- Verify rack key coding alignment (pins A9 and C5) before inserting the module into the designated 4 HP width rack slot.
- De-energize the cabinet rack backplane or ensure the proper safety system bypass procedures are engaged prior to extraction or insertion.
- Secure field cabling connections to output terminals, ensuring proper shielding termination to prevent electromagnetic interference on 0(4)-20 mA lines.
- Ensure minimum voltage drop requirements (= 7.5 V) are maintained across the terminals when interfacing external power supplies in passive loop mode.
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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