The Honeywell 8C-SDOX01 (51307051-175) is a Digital Output (DO) Relay Extension Board designed for the Experion LX control system. This module provides reliable interface capabilities for field devices, offering galvanic isolation and isolated dry contact outputs to ensure signal integrity and protection for the control system. It is engineered to handle inductive loads effectively through integrated counter-EMF snubbing circuits.
Features
Galvanic isolation between field signals and control logic.
Isolated dry contact outputs for flexible field device interfacing.
Integrated counter-EMF snubbing circuitry to protect relay contacts from inductive kickback.
Individual LED status indicators for each channel to verify the ON condition.
Robust contact material (Au over AgSnO2) for reliable switching performance.
Technical Specifications
Model Number
8C-SDOX01 / 51307051-175
Contact Type
Au over AgSnO2
Maximum Load Voltage
250 VAC (RMS) / 125 VDC
Minimum Load Voltage
5 VDC
Minimum Load Current
10 mA or 100 mA
Maximum Inrush Current
10 A for 4s (10% duty cycle)
Voltage Rating
24 VDC
Module Current Rating
1010 mA
Isolation Rating
1500 VAC RMS or +/- 1500 VDC
Installation Guidelines
Ensure the control system is powered down before installing or removing the module from the rack.
Handle the module using proper ESD (Electrostatic Discharge) precautions to prevent damage to internal components.
Verify that field wiring is routed away from high-EMI sources, such as high-voltage power lines or variable frequency drives, to prevent signal interference.
Ensure all terminal connections are secure and that the module is fully seated in the designated backplane slot.
Check that the load requirements do not exceed the specified maximum voltage and current ratings to prevent relay failure.
FAQ
What is the primary function of the 8C-SDOX01 module?
The 8C-SDOX01 acts as a relay extension board for the Honeywell Experion LX system, providing isolated dry contact outputs to drive external field devices while protecting the controller from electrical noise and surges.
Does this module require external power?
The module is rated for 24 VDC operation; please refer to your specific Experion LX system documentation for proper power distribution and loop wiring requirements.
