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Honeywell FC-TRO-0824 Digital Output Module

Configured for non-safe relay output execution in Honeywell Safety Manager and Fail Safe Controller platforms, the Honeywell FC-TRO-0824 (TRO-0824 Digital Output Module) provides direct physical switching control through eight potential-free relay changeover contacts.

Hardware Specifications

Parameter	Specification
Model	FC-TRO-0824
Brand	Honeywell
Product Type	Non-safe Dry Digital Output Module
Origin	USA
Weight	0.3 kg
Dimensions	5.5 x 6.5 x 11.8 cm
Operating Temp	Not specified
Power Consumption	Typically 27 mA at 24 V DC
Module Function	Digital output interface with relay contacts
Number of Output Channels	8
Output Contact Type	NO/NC relay changeover contacts
Nominal Input Voltage	24 V DC
Maximum Input Voltage	31 V DC
Relay Cut-in Voltage	19 V DC
Maximum Output Current	5 A
Maximum Output Voltage	250 V AC / 300 V DC
Maximum Switched Load	1250 VA / 150 W at 30 V DC
AC Voltage Rating	250 V AC
Approvals	CE, UL, TUV, CSA
Tariff Code	8537101190
Shipment Location	Xiamen, China
Interconnection	Eight-channel relay output FTA cable interface

Channel Isolation and Process Control Interface

The FC-TRO-0824 provides eight independent relay output channels for switching external field devices through dry potential-free contacts. The module uses relay changeover contacts with NO and NC configurations, allowing direct control of external circuits without applying field voltage to the output contacts.

Honeywell process control modules commonly integrate channel-to-channel isolation concepts to separate field circuits and reduce electrical interference between I/O points. The FC-TRO-0824 applies relay-based signal separation for non-safe digital output applications where discrete electrical switching is required.

The module accepts a 24 V DC supply input and operates with a typical input current of 27 mA. It supports AC and DC switching loads within the specified voltage and current limits.

Frequently Asked Questions

Q: What type of signals does the FC-TRO-0824 output?
A: The FC-TRO-0824 provides eight non-safe dry digital outputs using potential-free relay changeover contacts with NO and NC terminals.

Q: What is the maximum switching capability of the FC-TRO-0824 relay outputs?
A: Each output supports up to 5 A switching current, with maximum ratings of 250 V AC or 300 V DC and a maximum switched load of 1250 VA or 150 W at 30 V DC.

Q: Can the FC-TRO-0824 be used for safety shutdown functions?
A: The FC-TRO-0824 is specified as a non-safe digital output module and should not be configured as a safety-rated output device.

Field Installation Guidelines

• Install the FC-TRO-0824 within the designated Honeywell controller or I/O assembly according to the system hardware manual.
• Verify the 24 V DC supply polarity before energizing the module.
• Use appropriate field wiring practices for relay contacts, including separation between low-level signal cables and high-voltage switching circuits.
• Connect the interconnection cable correctly to maintain channel assignment and relay contact mapping.
• Ground cable shields according to the control cabinet grounding standard to reduce electrical noise.
• Confirm external load ratings remain within the specified relay voltage, current, and power limits before commissioning.
• Inspect relay contact wiring periodically when switching inductive loads or high-frequency operating cycles.

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