51307087-175 | HONEYWELL CC-TDOD51 Digital Output Module

General Overview

Model Number: CC-TDOD51 (Non-Redundant, 9″)
Alternate Model Number: CC-TDOD61 (Redundant, 12″)
Product Name: Digital Output Bussed 24VDC (DO24V) Module
Manufacturer: Honeywell

Functionality

The CC-TDOD51 Digital Output Bussed 24VDC (DO24V) module is designed to control process equipment, such as solenoid valves and interposing relays, by switching reliable 24V digital output signals.

Notable Features

Comprehensive Internal Diagnostics: Ensures data integrity.
Optional Redundancy: Supports non-redundant (CC-TDOD51) and redundant (CC-TDOD61) configurations.
Electronic Overcurrent Protection: Prevents damage from current surges.
Configurable Safe-State (FAILOPT): On failure, the output can be set to either hold the last value or switch to a safe value, configurable per channel.
Output Types: Supports latched, pulsed, or pulse-width modulated output on each channel.

Bussed 24VDC Output Details

The Digital Output Bussed 24VDC module supports both internal and external field power excitation:

Shared Common Ground: All outputs share a common return.
Power Source Options: Outputs can be powered either by the system power supply or an external 24V power supply.
Galvanic Isolation: External power source can provide isolation from the Series C power system.
IOTA Wiring Option: Determines if outputs reference the Series C system power or an external field power source.

FAILOPT (Safe-State) Configuration

Per Channel Basis: FAILOPT can be set individually for each channel.
Options:
- Hold Last Value: Retains the last output value on failure.
- Shed to Safe Value: Switches to a predefined safe value (user-configurable).

Detailed Specifications – SINK TYPE 24V DC

Parameter	Specification
Model	CC-PDOD51 – 24V Digital Output, Field Isolated, Bussed Output, Coated
IOTA Model	CC-TDOD51 (Non-Redundant), CC-TDOD61 (Redundant)
Output Channels	32
Output Type	SINK (Open Drain)
Load Voltage	15–30 VDC (Maximum)
Load Current	0.1 A per channel (Maximum)
Galvanic Isolation	1000 VAC RMS (System to Field isolation with user-supplied field power)
On-State Voltage	0 VDC (Load current @ 0.1A max)
Off-State Voltage	Typically 24 V
Off-State Leakage Current	100 µA (Maximum)
Turn-On/Turn-Off Time	10 ms (Maximum)
Switchover Gap (Redundancy)	None (0 ms)

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