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Technical specifications for 51401594-200
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Manufacturer:Honeywell
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Product Category:DCS Systems
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Spare Part Number:51401594-200
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Estimated shipping dimensions:36.6x36.3x1.5cm
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Weight:0.5 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Board name:KJMP
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Primary function:Power-supply load application
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Host hardware:LCNE or LCNE2
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Module type:Dual Node Module
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Loading element:On-board power resistors
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Cable-path practice:Separate LCNE/LCNE2 paths by power supply
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Restricted position:Do not place CS/R in I/O Slot 1
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Maintenance level:ORU spare part
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Commissioning basis:Power and LCN link verification
Information
Overview
Manuals
Common Applications
Product Precautions
Honeywell 51401594-200 is the KJMP power-supply load board used when an LCNE or LCNE2 fiber-optic link occupies an otherwise lightly loaded Dual Node Module node.
- KJMP board
- Power-supply loading resistors
- LCNE / LCNE2 host node
- Dual Node Module hardware
LCNE and LCNE2 boards alone may not load the node power supply sufficiently. The KJMP board provides the documented load while the two LCN cable paths remain arranged to avoid a common power-supply failure.
Important Notice: Install 51401594-200 only in the documented KJMP position; placing a CS/R board in I/O Slot 1 of the host arrangement can cause serious damage.
Honeywell 51401594-200 Manuals & Downloads
Honeywell 51401594-200 Technical Reference (PDF)Honeywell 51401594-200 Installation & Commissioning Guide (PDF)
The technical reference organizes exact characteristics and engineering boundaries. The installation guide focuses on controlled preparation, restoration, commissioning and handover.
LCNE host node
Maintains the documented power-supply load in a fiber-link node.
LCNE2 host node
Supports the later LCNE2 arrangement under the same loading rule.
Dual-path fiber link
Keeps Cable A and Cable B host arrangements from sharing one failure point.
Legacy node service
Restores the exact KJMP load-board position during maintenance.
Honeywell 51401594-200 installation checks: retain the exact identity, installed configuration and witnessed acceptance record throughout the work.
1
Verify the complete 51401594-200 marking and KJMP board identity.
2
Record the Dual Node Module, node half, slot and LCNE/LCNE2 cable path.
3
Place the affected LCN segment in its approved maintenance state.
4
Isolate node power and use grounded ESD handling for the board.
5
Confirm that the board position is the documented KJMP load application.
6
Do not install a CS/R board in I/O Slot 1 of the host arrangement.
7
Restore the two fiber-link paths without creating a common power-supply dependency.
8
Check power, LCN communication and redundancy status before release.
Technical notes
For 51401594-200, retain the exact manufacturer identity, installed wiring or node record and the witnessed model-specific acceptance result.
FAQ View All FAQ
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What board function does Honeywell assign for 51401594-200?Honeywell identifies 51401594-200 as the KJMP board for a power-supply load application.
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Why is a load board required in an LCNE host node for 51401594-200?LCNE or LCNE2 boards alone may not load the power supply enough for it to operate within specification.
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Where is 51401594-200 used?It is used in a Dual Node Module node that hosts LCNE or LCNE2 fiber-optic link hardware.
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Which slot warning applies for 51401594-200?Do not place a CS/R board in I/O Slot 1 of the LCNE/LCNE2 host arrangement.
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Which node, slot and cable-path details must be retained before removing 51401594-200?Record the node half, slot, LCNE/LCNE2 type, LCN cable path and power-supply arrangement.
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How should the two fiber-link power paths be separated when 51401594-200 is installed?Use separate power supplies for the two link paths so one supply failure does not remove both Cable A and Cable B.
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Which hardware and cable checks precede power restoration with 51401594-200?Check board identity, slot, connector seating, load-board resistors, host-link hardware and cable-path labeling.
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Which operating conditions confirm acceptance of 51401594-200 in an LCNE or LCNE2 node?Confirm stable node power, healthy LCNE/LCNE2 communication and the intended LCN path redundancy.
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