Original ABB 216BM61B HESG448267R1021 Connector Spare

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The Original ABB 216BM61B HESG448267R1021 Connector Spare is a Swiss-made fiber optic link module used in ABB Procontic/Advant control systems. It converts electrical serial signals to optical signals via dual ST ports (TX/RX), enabling long-distance, noise-immune communication between controller stations. Rated at 24 VDC with a D-sub male interface (10-pin, 2 A per contact), it mounts on DIN rail and operates from -20°C to +70°C.

Tags: ABB 216BM61B HESG448267R1021, ABB DPW03, ABB DPW03 Power Supply, DPW 03, DPW 03 Actuator, DPW03, DPW03 Industrial

SKU: 7559732-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-2-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1

The Original ABB 216BM61B HESG448267R1021 Connector Spare is an optical-electrical link module built on ABB’s Swiss-engineered industrial hardware platform. It converts serial control signals into fiber optic transmission for ABB Procontic and Advant-based systems, where long-distance, noise-immune communication between controller stations is required.

Key Features

Dual ST fiber ports (TX/RX) for full-duplex optical communication
D-sub male electrical interface with integrated host pigtail
24 VDC operation, rated 2 A per contact
DIN-rail or bracket mounting for cabinet integration
Extended temperature range: -20°C to +70°C

Technical Specifications

Item	Detail
Order Code	HESG448267R1021
Type Designation	216BM61B
Hardware Revision	HESG441967/C
Signal Type	Electrical-to-Optical converter
Supply Voltage	24 VDC
Electrical Connector	D-sub Male, 10-pin
Optical Interface	2 × ST (TX / RX), multimode
Per-Pin Current	2 A
Operating Temp.	-20°C … +70°C
Mounting	DIN rail / screw bracket
Origin	Switzerland

Installation Notes

Mount on DIN rail or secure with the bracket; leave fiber-side clearance for cable bend radius.
Wire 24 VDC to the D-sub terminals, keeping shielded signal cable away from power lines.
Plug multimode fiber into TX and RX; cross-connect TX-to-RX between link ends. Clean end faces first.
Connect the pigtail to the host controller port; confirm activity on the RX indicator.
Re-inspect fiber connectors periodically; do not exceed minimum bend radius.

Common Questions

Is this module a field I/O block? No. It is a communication link converter — it extends and isolates control network signals over fiber, and does not directly switch sensors or actuators.

How far can a fiber link run? Using multimode ST fiber, the link is intended for cabinet-to-cabinet or station-to-station distances far beyond copper RS-485 limits, with full electrical isolation between ends.

What if the RX indicator stays dark? Check fiber polarity (TX must go to RX), clean the end faces, and verify cable continuity between the two ends.

Original ABB 216BM61B HESG448267R1021 Connector Spare