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- Overview
- Specifications
- Description
- Applications
- Troubleshooting
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
FC-DCOM-232/485 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Model: |
FC-DCOM-232/485 |
|
Product Type: |
Communication Interface Module |
|
Dimensions: |
11 × 7 × 6 cm |
|
Weight: |
0.14 kg |
|
Approvals: |
CE, TUV, UL, FM |
|
DIN Rail Type: |
TS32 / TS35 × 7.5 |
|
Used Rail Length: |
11.7 cm (4.6 in) |
|
Input Voltage: |
5 VDC ±5% |
|
Input Current: |
Max 500 mA (supplied by control processor) |
|
RS232 Output: |
EIA/TIA-232 compliant levels |
|
RS232 Baud Rate: |
0–250 kBaud |
|
RS485/RS422 Output: |
EIA/TIA-485-A compliant levels |
|
RS485/RS422 Baud Rate: |
0–2 MBaud (transparent, FM0, FM1 or Manchester coding) |
Description
The Honeywell FC-DCOM-232/485 is a communication interface module widely used in industrial automation and control systems. This module primarily converts between RS-232 and RS-485 communication protocols, ensuring smooth data transmission and communication between devices.
Applications
LNG plants: Enable long-distance monitoring networks with high-bandwidth communication between field devices and control rooms.
Large chemical plants: Support toxic gas monitoring systems ensuring real-time alarm data transmission without loss.
Nuclear power plants: Provide high-isolation communication links for emergency shutdown system networks with strict safety compliance.
Offshore oil platforms: Installed in compact shock-resistant cabinets connecting weather and wellhead monitoring equipment.
Troubleshooting
Communication Interruption: Check if the Control Processor is delivering a stable 5 Vdc supply; input drops exceeding –5% will freeze the transceivers.
Data Corruption: Verify the bus coding configurations; mismatched formats between Transparent, FM0, FM1, or Manchester will cause framing errors.
Signal Attenuation: Inspect termination resistors on long-distance RS485 loops when running near the maximum 2 MBaud limit.
FAQ
Q: Which rail types are supported by the FC-DCOM-232/485?
A: TS32 and TS35 × 7.5.
Q: What is the input voltage range of the FC-DCOM-232/485?
A: 5 VDC ±5%.
Q: What is the maximum baud rate for RS232 on the FC-DCOM-232/485?
A: 250 kBaud.
Q: What is the maximum baud rate for RS485 and RS422 on the FC-DCOM-232/485?
A: 2 MBaud.
Q: Which certification standards are passed by the FC-DCOM-232/485?
A: CE, TUV, UL, FM.
