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- Overview
- Specifications
- Description
- Applications
- Troubleshooting
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
FC-SAO-0220M |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Model: |
FC-SAO-0220M |
|
Product Type: |
Safe Analog Output Module |
|
Dimensions: |
2 × 18.9 × 12.8 cm |
|
Weight: |
0.16 kg |
|
Approvals: |
CE; TUV; UL; CSA; FM |
|
Space Requirements: |
4 TE, 3 HE (4 HP, 3U) |
|
Power Requirements: |
5 VDC 30 mA; 24 VDC 65 mA + 30 mA per active output |
|
Output Channels: |
2 (galvanically isolated from supply voltage; 0V1 and 0V2 interconnected) |
|
Output Type: |
Active or passive, 0–20 mA / 4–20 mA |
|
D/A Converter Resolution: |
12-bit |
|
Off Current: |
<0.05 mA |
|
Loop Powering (Active): |
Max loop resistance 600 Ω; max output voltage 30 VDC |
|
External Powering (Passive): |
Max 40 VDC; minimum voltage drop ≤7.5 V |
|
WDG Input Current: |
0.5 mA |
|
Module Connector Code: |
Holes A9, C5 |
|
Chassis Connector Code: |
Large pins A9, C5 |
Description
The FC-SAO-0220M is a safe analog output module in Honeywell's safety management system, used to deliver continuously changing current signals to field devices such as control valves or motor drives. This module monitors the output through an internal self-test circuit, and upon detecting an abnormal signal or receiving a command, it can cut off the current, returning the device to a safe position and preventing accidents.
Applications
Large oil refineries: Used in catalytic cracking and hydrocracking control loops ensuring stable and safe valve position adjustment in hazardous environments.
Crude oil pipeline stations: Applied in pump control systems with feedback monitoring to prevent pressure faults caused by signal drift.
Fine chemical plants: Integrated into reactor cooling control networks enabling safe valve shutdown during sudden system failures.
Thermal power plants: Used in boiler feedwater and turbine fuel control systems with strong isolation against electrical interference.
Offshore LNG plants: Installed in offshore control panels ensuring stable anti-surge control of compressors with reduced signal interference.
Troubleshooting
Current Saturation or Dropout: Check total loop resistance in active mode; if the downstream instrumentation array exceeds 600 Ω, the output loop will fail to drive the requested mA amplitude.
Loop Diagnostic Trip: If an output drops to the off-state (< 0.05 mA) during live operations, inspect the main supervisor watchdog logs; a systemic processor health failure or an overcurrent anomaly will automatically trip the watchdog circuit.
Passive Mode Voltage Drop: Verify the external supply voltage in passive wiring configurations; if the source voltage drops or cannot accommodate the maximum internal 7.5 V drop, signal clipping will occur.
FAQ
Q: What is the number of output channels of the FC-SAO-0220M?
A: 2.
Q: What is the D/A converter resolution of the FC-SAO-0220M?
A: 12-bit.
Q: What is the space specification of the FC-SAO-0220M?
A: 4 TE, 3 HE (4 HP, 3U).
Q: What output signal types are supported by the FC-SAO-0220M?
A: Active or passive, 0–20 mA / 4–20 mA.
Q: What is the maximum loop resistance in active loop power mode for the FC-SAO-0220M?
A: 600 Ω.
