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Technical specifications for 51402755-100 K4LCN-4
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Manufacturer:Honeywell
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Product Category:DCS Systems
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Spare Part Number:51402755-100
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Estimated shipping dimensions:36.7×36.5×1.9cm
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Weight:0.98 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Board designation:K4LCN
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Circuit-board part number:51402755-100
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LCN address block:TS1
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TS1 coordinate:7A
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Jumper removed:Binary 1
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Address parity:Odd
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Binary weights:64, 32, 16, 8, 4, 2, 1
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Module position:Slot 1
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4-Megaword memory board:51201795-400
Information
Overview
Manuals
Common Applications
Product Precautions
Honeywell 51402755-100 K4LCN-4 provides the Local Control Network interface and node-address selection used by the WDA-type History Module.
- TS1 address block at coordinate 7A
- Odd-parity jumper rule
- Seven binary address weights
- Slot 1 chassis position
Node identity is set by the removed-jumper pattern at TS1, while the associated 51201795-400 memory board completes the listed 4-Megaword hardware arrangement.
Important Notice: Preserve the TS1 pattern and parity, confirm the 51201795-400 memory-board pairing and clear the alternate address path before startup.
Honeywell 51402755-100 K4LCN-4 Manuals & Downloads
Honeywell 51402755-100 K4LCN-4 Official Technical Reference (PDF)Honeywell 51402755-100 K4LCN-4 Installation & Commissioning Guide (PDF)
The official technical reference preserves selected Honeywell source pages for exact-model identification and verified data; the separate Installation & Commissioning Guide organizes identity control, interface checks, channel testing and acceptance records.
History Module board renewal
Replaces the exact K4LCN board in a WDA-type History Module.
LCN node restoration
Recreates the assigned network identity through TS1 binary weighting.
Memory-board pairing
Checks the 4-Megaword board identity before chassis restoration.
LCN interface maintenance
Keeps one active address-selection path and a cleared alternate path.
Apply these controls specifically to Honeywell 51402755-100 K4LCN-4 before isolation, replacement, reconnection and final release.
1
Use a grounded wrist strap, work surface and ESD-safe container.
2
Confirm both 51402755-100 and K4LCN-4 before work.
3
Record every TS1 jumper and the parity position before removal.
4
Keep the total removed-jumper count, including parity, odd.
5
Remove all jumpers or set zero on the alternate address-selection board.
6
Match the associated memory board to part number 51201795-400.
7
Seat the K4LCN board fully in slot 1 without forcing the connectors.
8
Verify the restored node address and LCN communication before service.
Alternative Names
51402755 100 K4LCN 4 51402755-100K4LCN-4
Technical notes
Record the complete board identity, TS1 jumper pattern, parity jumper and installed LCN node address before removal. Recreate the binary address at coordinate 7A, clear the unused address-selection path and verify History Module communication after seating the board in slot 1.
FAQ View All FAQ
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Which circuit-board part number identifies Honeywell 51402755-100 K4LCN-4?The K4LCN circuit-board part number is 51402755-100.
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Where is the LCN address block on Honeywell 51402755-100 K4LCN-4?The TS1 pinning block is located at coordinate 7A.
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What does a removed jumper mean on Honeywell 51402755-100 K4LCN-4?A removed TS1 jumper represents binary 1.
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Which parity rule applies to Honeywell 51402755-100 K4LCN-4?The total number of removed jumpers, including the parity jumper, must be odd.
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Which binary weights are used by Honeywell 51402755-100 K4LCN-4?The node-address positions use weights 64, 32, 16, 8, 4, 2 and 1.
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Where is Honeywell 51402755-100 K4LCN-4 installed in the module chassis?The K4LCN board is installed in slot 1 after its node address is selected.
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Which memory board is paired with Honeywell 51402755-100 K4LCN-4?The associated 4-Megaword memory board is part number 51201795-400.
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How should the unused LCN address path be handled for Honeywell 51402755-100 K4LCN-4?Remove all jumpers from the unused address board or set its configuration switches to zero before commissioning.
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