8C-TDODA1 Digital Output IOTA | Honeywell

Product Description

Configured for 24 VDC digital output termination in Honeywell Experion PKS, the Honeywell 8C-TDODA1 (8C-TD0DA1 Digital Output IOTA) provides 32 source-type output channels with bussed termination and field power distribution. Each channel supports up to 100 mA, while four fuses divide the output circuits into groups.

Hardware Specifications

Honeywell Digital Output Termination and Signal Distribution

The 8C-TDODA1 terminates 32 digital output channels at the field interface. It distributes 24 VDC output power through the bussed IOTA architecture and separates the circuits with four fuse groups. Therefore, each fuse group typically serves eight output channels.

Each output channel supports up to 100 mA. The specified maximum load voltage is 30 VDC. In addition, channel-level short-circuit protection limits the effect of an output fault on the associated circuit.

The assembly provides 1000 V AC isolation between the system and field sides when external power is used. The 105 mA module power current identifies the current drawn by the IOTA hardware itself rather than the field load current.

Frequently Asked Questions

Q: How many digital output channels does the 8C-TDODA1 provide?
A: The IOTA provides 32 source-type digital output channels.

Q: What output voltage and current does the 8C-TDODA1 support?
A: The rated output voltage is 24 VDC, with a maximum load voltage of 30 VDC. Each channel supports up to 100 mA.

Q: How are the output circuits protected?
A: Each channel has short-circuit protection, while four fuses provide grouped circuit protection, typically one fuse for every eight channels.

Field Installation Guidelines

Mount the IOTA securely according to the applicable Honeywell system hardware documentation. Verify the module identity and terminal assignment before wiring field circuits.

Route digital output wiring separately from high-voltage power conductors and high-noise switching circuits where practical. Maintain clear physical separation between signal wiring and power wiring to reduce unwanted electrical coupling.

Use the specified field wiring method for the associated Honeywell I/O hardware. Confirm polarity and circuit continuity before applying field power. Do not exceed the stated 100 mA output current limit for an individual channel.

For externally powered field circuits, verify the field supply voltage and the required system-to-field isolation arrangement before commissioning. Check fuse allocation and field termination points against the approved wiring drawings.

Other Attributes

• Series: Honeywell Experion PKS(C200,C300)
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

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