The 51305072-600 is the CLCN-B I/O board used in compatible Honeywell TDC 3000 and TPN dual-node arrangements. It links the node interface to the B side of the redundant LCN coaxial network.
The B designation is an operating identity, not a decorative suffix. The board should remain aligned with the installed channel, compliance version, chassis position and network cabling.
01 PLATFORM TDC 3000 / TPN
02 HARDWARE Compatible dual-node assembly
03 NETWORK Redundant LCN coaxial bus
04 ROLE CLCN-B interface
02 / CONFIGURATION LEDGER
Confirmed identity fields
A
Product ID
51305072-600
B
Designation
CLCN-B LCN I/O board
C
Network assignment
LCN cable B
D
Variant
Non-CE
E
Installed context
Compatible dual-node hardware
03 / LCN ROUTE
Preserve redundancy during replacement
NODE Record chassis and slot
→
CLCN-B Retain the B identity
→
BNC TEE Inspect connection security
→
LCN B Prove network status
Commissioning boundary: verify node communication, B-path continuity, redundant operation and the absence of new LCN faults before maintenance is closed.
AMIKON / HONG KONG / 2005
Industrial spares support built around exact identities.
Amikon has expanded its global customer base and product coverage across PLC, HMI, DCS, industrial PC and VFD spare technologies. Experienced sales and service teams assist with difficult part numbers and complex replacement needs so production can keep moving.
↻ Return support: Notify us within 7 days if an issue is found. Keep the item in original condition and state the return reason. Return or replacement follows receipt and inspection; shipping costs remain with the buyer.
04 / BUYER FILE
51305072-600 FAQ
Q1. Can 51305072-600 replace 51305072-300? Not as an automatic substitution. The -600 is the non-CE CLCN-B variant; compliance and installed node arrangement must agree.
Q2. Why must 51305072-600 remain assigned to the B path? The redundant LCN channels are separately identified. Mixing A/B identity undermines the intended maintenance boundary and complicates fault isolation.
Q3. What should be captured before removing 51305072-600? Record the full number, revision, chassis, slot, cable markings, BNC tee arrangement, node state and condition of both redundant paths.
Q4. Which hidden mismatch most often delays a 51305072-600 replacement? A similar-looking CLCN board with the wrong channel or compliance suffix. Purchase against the complete installed identity.
Q5. How should 51305072-600 be accepted after installation? Confirm node communication, B-path continuity, redundant operation, secure connectors and no new LCN faults.