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Technical specifications for 51306975-175
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Manufacturer:Honeywell
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Product Category:DCS Systems
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Spare Part Number:51306975-175
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Estimated shipping dimensions:22x12x5.5cm
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Weight:0.26 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Product identity:Cx-TDOD51 digital output IOTA
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I/O function:24 VDC digital output
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Output architecture:Bussed, nonredundant
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Associated I/O module:Cx-PDOD51
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Physical format:9-inch nonredundant IOTA
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Output channels:32
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Maximum channel load:100 mA per channel
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Terminal allocation:TB1 channels 1-16; TB2 channels 17-32
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Supply selection:Internal or external 24 VDC through TB3
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Fault response:Affected point shuts down and enters Manual
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Overcurrent diagnostic:Over-current Soft Failure
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Product introduction:Series C Release 410
Information
Overview
Manuals
Common Applications
Product Precautions
Within a Series C cabinet, Honeywell 51306975-175 connects thirty-two 24 VDC field-output circuits to the Cx-PDOD51 electronics while keeping channel terminations, return paths and power-source selection on the IOTA.
- 32 bussed 24 VDC output channels
- Cx-PDOD51 module pairing
- Internal or external field-power selection
- Point-level overcurrent shutdown
Use the terminal tables to preserve channel-to-screw mapping, then prove each serviced point under a controlled output test while monitoring the Manual state and Over-current Soft Failure indication.
Important Notice: Match 51306975-175, Cx-TDOD51 and the paired Cx-PDOD51 before disturbing TB1, TB2 or TB3 wiring.
Honeywell 51306975-175 Manuals & Downloads
Honeywell 51306975-175 Official Technical Reference Excerpt (PDF)Honeywell 51306975-175 Installation & Commissioning Guide (PDF)
The Official Technical Reference Excerpt covers the Cx-PDOD51 pairing, Cx-TDOD51 IOTA identity, channel allocation, 100 mA point limit, field-power selection and short-circuit response. The Installation & Commissioning Guide organizes safe isolation, terminal documentation, reconnection and controlled output acceptance.
Discrete actuator control
Terminates 24 VDC output circuits for relays, indicators and other low-current field loads.
Series C cabinet output
Forms the field-interface layer beneath a Cx-PDOD51 digital-output module.
Mixed supply planning
Allows the cabinet design to select internal or external 24 VDC field power at TB3.
Point-isolated fault service
Keeps unaffected channels operating when one output detects an overcurrent condition.
Apply these controls specifically to Honeywell 51306975-175 before isolation, replacement, reconnection and final release.
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Match part number 51306975-175 and the Cx-TDOD51 identity before moving any field conductor.
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Confirm that the installed output electronics are Cx-PDOD51 before inserting the IOTA into service.
3
Record all thirty-two channel assignments and label TB1 and TB2 conductors before isolation.
4
Do not exceed the documented 100 mA maximum load on any individual output channel.
5
Verify the TB3 internal-versus-external 24 VDC selection before energizing field loads.
6
Never reverse the polarity of an external 24 VDC supply connected through the IOTA.
7
Investigate an Over-current Soft Failure at the affected point before returning that channel from Manual.
8
Commission every serviced output under a controlled plan and confirm unaffected channels remain stable.
Alternative Names
Cx-TDOD51, 51306975-175, Honeywell 51306975-175
Technical notes
Record all thirty-two channel assignments, terminal positions, connected loads and the TB3 power-source selection before isolation. After reconnection, verify external-supply polarity, point commands, overcurrent diagnostics and continued operation of unaffected channels.
FAQ View All FAQ
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Which I/O module pairs with Honeywell 51306975-175?The Cx-TDOD51 IOTA pairs with the Cx-PDOD51 Series C digital-output module.
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How many outputs does Honeywell 51306975-175 terminate?It terminates thirty-two 24 VDC digital-output channels.
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How are the channels divided on Honeywell 51306975-175?TB1 carries channels 1 through 16, and TB2 carries channels 17 through 32.
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What is the maximum load per channel on Honeywell 51306975-175?The documented maximum load is 100 mA for each channel.
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Can Honeywell 51306975-175 use external field power?Yes. TB3 provides selection points for internal or external 24 VDC supply and return.
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What happens when one Honeywell 51306975-175 output is shorted?The affected point detects the overcurrent, shuts down and enters Manual while unaffected channels continue operating.
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Which diagnostic reports overcurrent on Honeywell 51306975-175?The channel reports an Over-current Soft Failure until the fault is repaired.
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What should be checked before energizing Honeywell 51306975-175?Verify the Cx-PDOD51 pairing, channel assignments, load current, TB3 supply selection and external-power polarity before enabling outputs.
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