Sale
| Color / Pattern |
|
| Power Source |
|
| Communication Protocols |
|
| Controller Design |
|
Configured for signal transmission and electrical isolation in Advant MOD 300 networks, the ABB 87TS01-1551 (87TS01-1551 Coupling Module) provides direct physical/electrical execution.
| Parameter | Specification |
|---|---|
| Model | 87TS01-1551 |
| Brand | ABB |
| Origin | Sweden / Germany (Standard system factory source) |
| Weight | 0.5 kg |
| Dimensions | 290 mm x 130 mm x 35 mm |
| Operating Temp | 0 to +55 deg C |
| Power Consumption | Less than 3 W |
| Operating Voltage | 24 VDC |
| Isolation Method | Optical or transformer coupling (version-dependent) |
| Storage Temperature | -25 to +70 deg C |
| Relative Humidity | 5% to 95%, non-condensing |
| System Compatibility | ABB Advant MOD 300, Advant OCS, Bailey INFI 90 |
| Installation Type | Plug-in rack / subrack mounting |
The coupling module functions as a critical electrical barrier and buffer between processing nodes within legacy DCS backplanes. To sustain deterministic data packet delivery and maximize I/O density scaling across expanded subracks, the module's electronic signaling gates must interface with hardware components that possess matching firmware flash compatibility layers. This synchronization eliminates transit latencies, preventing packet collisions or bit errors while processing high-density field loops under severe electromagnetic interference (EMI) conditions.
Q: How does the specific version variant dictate the internal electrical isolation mechanism?
A: Depending on the specific manufacturing revision sub-code, the 87TS01-1551 utilizes either high-speed optical couplers or magnetic transformer isolation blocks. Both topologies isolate the processing electronics from field-side ground loop currents and transient spikes up to standard industrial insulation ratings.
Q: Is this coupling module approved for hot-swap operations within active Advant OCS racks?
A: No. While the hardware features a plug-in physical design with clearly marked alignment terminals, extraction or insertion while the 24 VDC rack power rail is energized can induce transient contact arcing, which risks disrupting adjacent processing nodes on the shared DCS bus.
Q: What protection boundaries does this device establish for the primary control units?
A: The module acts as a dedicated physical buffer zone, suppressing incoming overvoltage transients, high-energy surge waves, and potential variations between separate subsystem ground grids before they reach the main processor backplane.

Quick dispatch from our global inventory to reduce downtime and ensure uninterrupted operations.
All parts are sourced from reputable manufacturers and undergo thorough quality checks.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.
All product names, trademarks, brands, and logos mentioned on this website are the property of their respective owners.These names and trademarks are used for identification and reference purposes only.We are an independent supplier of industrial automation spare parts.We are not an authorized distributor, dealer, or representative of any manufacturer.Products supplied may include surplus inventory or unused items.We do not claim any affiliation with or endorsement by the original manufacturers.