8C-TDILA1 51307141-175 Honeywell Series 8 Digital Input Module

Product Description

Configured for 32-channel digital input signal acquisition in a Honeywell Series 8 I/O system, the Honeywell 8C-TDILA1 51307141-175 (8C-TDILA1 Digital Input Module) provides direct electrical interface for 24 VDC discrete field signals. The module uses a 18 to 30 VDC DI power range and scans process values at a normal 20 ms interval.

Hardware Specifications

Honeywell Series 8 Digital Input Characteristics

The 8C-TDILA1 51307141-175 accepts discrete field signals through 32 input channels. Each channel operates within the stated 18 to 30 VDC DI power range. The specified ON sense level is 13 VDC, while the OFF condition reaches 5 VDC maximum or 1.2 mA maximum.

The module provides galvanic isolation rated at 1000 VAC RMS or +/-1000 VDC. This isolation separates the input circuitry electrically and limits direct conductive coupling between the field-side signal path and isolated circuitry.

The normal process-value scanning interval is 20 ms. Therefore, the module samples digital input states according to the specified scan behavior rather than treating the input as an analog measurement.

Frequently Asked Questions

Q: How many digital input channels does the 8C-TDILA1 51307141-175 provide?
A: The module provides 32 digital input channels.

Q: What field voltage range does the 8C-TDILA1 51307141-175 support?
A: The specified DI power voltage range is 18 to 30 VDC, with a nominal voltage rating of 24 VDC.

Q: What galvanic isolation does the module provide?
A: The supplied specification states 1000 VAC RMS or +/-1000 VDC galvanic isolation.

Field Installation Guidelines

Install the module according to the applicable Honeywell Series 8 system hardware documentation and cabinet layout requirements. Confirm the module identity and terminal assignment before connecting field wiring.

Verify that the external digital signals remain within the specified 18 to 30 VDC DI power range. Separate discrete signal wiring from high-voltage power conductors where practical to reduce electrical interference.

Terminate cable shields according to the plant grounding design and the Honeywell installation requirements. Avoid creating unintended ground loops through shield connections.

Before energizing the system, check terminal polarity, field wiring continuity, and the expected ON/OFF signal levels. Confirm that the connected field devices do not exceed the module's stated electrical limits.

Other Attributes

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

In Stock Hot Items of Honeywell

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