Overview
Configured for analog output signal execution in Honeywell process control environments, the Honeywell MC-TAOY25 51305865-275 (MC-TAOY25 16-Channel HART Analog Output Module) provides direct electrical output interfacing for field actuators, control valves, and other analog devices. The module provides 16 output channels, integrated HART support, 16-bit resolution, and a 24 VDC operating supply.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MC-TAOY25 51305865-275 |
| Base Model | MC-TAOY25 |
| Brand | Honeywell |
| Module Type | 16-Channel HART Analog Output Module |
| Number of Channels | 16 |
| Communication Protocol | Integrated HART support |
| Resolution | 16-bit |
| Operating Voltage | 24 VDC |
| Operating Temp | Input data indicates -40 deg C to +85 deg C; actual allowable range may depend on system configuration |
| Weight | Approximately 0.48 kg to 0.82 kg, depending on housing or shipping configuration |
4-20 mA HART Loop Interface Characteristics
The MC-TAOY25 51305865-275 combines multi-channel analog output capability with integrated HART communication support. Consequently, the module can provide analog control signals while supporting compatible HART communication functions on the associated field loops.
The 16-bit output resolution supports fine digital representation of analog output values. In addition, correct loop performance depends on field wiring, load characteristics, shielding practice, and system-level configuration. Channel wiring should therefore follow the applicable Honeywell control-system documentation and the requirements of the connected field device.
Frequently Asked Questions
Q: How many analog output channels does the MC-TAOY25 51305865-275 provide?
A: The module provides 16 analog output channels according to the supplied technical specification.
Q: Does the MC-TAOY25 51305865-275 support HART communication?
A: Yes. The provided specification identifies integrated HART support for the module.
Q: What is the operating supply voltage?
A: The supplied technical data specifies a 24 VDC operating voltage.
Field Installation Guidelines
Install the MC-TAOY25 51305865-275 only in the compatible Honeywell system hardware and according to the applicable system installation documentation.
Disconnect or isolate system power as required before inserting or removing the module. Do not assume hot-swap capability unless the installed Honeywell system explicitly supports the procedure.
Route analog signal wiring separately from high-current switching and power conductors. In addition, maintain consistent cable shielding and grounding practices to reduce induced electrical noise.
Terminate field wiring according to the applicable terminal assignment documentation. Verify channel assignment before energizing connected actuators or control valves.
After installation, check the 24 VDC supply condition, channel configuration, output scaling, and HART communication status where applicable. Record any system-level configuration changes before placing the connected loops into operation.
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