Product Description
The Honeywell 8C-TDOD61 / 51306973-175 is a Digital Output Bussed 24VDC module designed to control 24V digital output signals in a variety of industrial control applications. This module operates reliably to manage devices like solenoid valves and interposing relays. It offers flexibility and high performance for process equipment operation.
With extensive internal diagnostics, the module monitors data integrity and preemptively identifies issues to prevent system disruption. The optional redundancy feature ensures uninterrupted operation even if an output channel fails. Electronic overcurrent protection safeguards the module and connected devices, enhancing system reliability.
The FAILOPT feature allows for customizable fault handling per channel, enabling either the last value hold or shed to a safe value, giving operators flexibility in system control during failure scenarios. The module also supports flexible output types such as latched, pulsed, and pulse-width modulated (PWM) outputs for varied control needs.
Key Features
- Internal Diagnostics: Monitors and detects issues to maintain data integrity.
- Optional Redundancy: Provides uninterrupted operation by allowing redundant outputs.
- Electronic Overcurrent Protection: Prevents damage to the module and connected devices.
- Configurable Safe-State (FAILOPT): Per-channel configuration for fault handling—hold the last value or shed to a safe value.
- Flexible Output Types: Configurable as latched, pulsed, or PWM outputs.
- Bussed 24VDC Output: Allows for internal and external field power excitation. Outputs share a common return (ground).
Specifications
| Specification | Detail | 
|---|---|
| Model Number | 51306973-175 | 
| Output Channels | 32 channels | 
| Output Type | SINK (Open Drain) | 
| Load Voltage | 15–30 VDC (Maximum) | 
| Load Current | 0.1 A per channel (Maximum) | 
| Galvanic Isolation | 1000 VAC RMS for system-to-field isolation | 
| On-State Voltage | 0V VDC (load current @ 0.1A max) | 
| Off-State Voltage | 24V (typical) | 
| Off-State Leak Current | 100 µA (maximum) | 
| Turn-On/Turn-Off Time | 10 ms (maximum) | 
| Part Number | 51306973-175 | 
FAILOPT Functionality
- HOLD THE LAST VALUE: In case of an issue, the output holds the last valid value.
- SHED TO A SAFE VALUE: Outputs can be configured to return to a predefined safe value in the event of a fault.
Details
| Weight | 0.47 kg | 
|---|


 
 
 
 
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