TB840
ModuleBus Cluster Modem · Product ID 3BSE021456R1 · Optical modem for 1+1 redundant operation · 10 Mbit/s communication
Lifecycle note: ABB identifies TB840A, product ID 3BSE037760R1, as the pin-compatible replacement for TB840 3BSE021456R1, with hardware changes that do not change the documented functionality. Verify the installed termination unit, optical cabling and redundancy arrangement before replacement.
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+86 18020776786ModuleBus Cluster Modem · S800 I/O / System 800xA
ABB TB840, product ID 3BSE021456R1, is a ModuleBus Cluster Modem for the S800 I/O communication architecture.
ABB describes TB840 as an optical cluster modem for 1+1 redundant operation. The product record identifies one communication channel and a communication speed of 10,000 kbit/s.
ABB identifies TB840A, product ID 3BSE037760R1, as the pin-compatible replacement. Hardware changes were made without changing the documented functionality, but the installed termination unit, optical cabling, cluster addressing and complete redundant configuration must still be verified before ordering.
| Brand | ABB |
|---|---|
| Type Designation | TB840 |
| Product ID | 3BSE021456R1 |
| Catalog Description | TB840 ModuleBus Cluster Modem |
| Product Type | Modem / communication module |
| Function | Optical cluster modem for 1+1 redundant operation |
| Communication System | Optical ModuleBus |
| Number of Channels | 1 |
| Communication Speed | 10,000 kbit/s |
| Exchange Number | EXC3BSE021456R1 |
| Product Net Weight | 0.272 kg |
| Pin-Compatible Replacement | TB840A 3BSE037760R1 |
| Replacement Note | Hardware changes without changing the documented functionality |
| Customs Tariff Number | 85389091 |
ABB identifies TB840A, product ID 3BSE037760R1, as the pin-compatible replacement for TB840 3BSE021456R1, with hardware changes that do not change the documented functionality. Verify the installed termination unit, optical cabling and redundancy arrangement before replacement.
ABB TB840 is a ModuleBus Cluster Modem used in the S800 I/O communication architecture.
The complete ABB product ID is 3BSE021456R1.
ABB describes it as an optical cluster modem for 1+1 redundant operation.
TB840 is used with the optical ModuleBus communication architecture.
The ABB product record lists 10,000 kbit/s.
The ABB product record lists one channel.
The exchange number is EXC3BSE021456R1.
ABB identifies TB840A, product ID 3BSE037760R1, as the pin-compatible replacement with unchanged documented functionality.
Verify TB840, product ID 3BSE021456R1, the termination unit, optical cabling, cluster address, redundancy arrangement and compatibility with TB840A.
Send the model, complete part number, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
Technical information is based on ABB 3BSE021456R1 Product Details. Final suitability must be verified against the exact installed unit and official documentation.
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