ABB REG670 1MRK002826-AG Relion 670 Series Protection IED

Product Description

The ABB REG670 1MRK002826-AG, also cataloged as the REG670 Multifunctional Numerical Protection IED, operates as a dedicated hardware component for main and backup protection, control, measurement, and monitoring within Relion 670 series substation automation networks.

Suffix Breakdown & Model Matrix

Hardware Specifications

Backplane Bus Communication and I/O Density Scaling

The REG670 interfaces with ABB Relion 670 series IOM, BOM, SOM, and TRM expansion modules across a deterministic backplane bus architecture. Module addressing and firmware flash compatibility are managed through the PCM600 engineering tool, which compiles the CAPL (Configurable Application Logic) and downloads the function package to the target IED. I/O density scales vertically by populating additional binary and analog modules in the 19-inch rack chassis. Furthermore, the backplane bus sustains cyclic data exchange between the CPU and I/O modules with deterministic scan times. Consequently, protection function execution and trip signal propagation remain bounded within millisecond-level latency windows. Galvanic isolation between individual I/O channels and the processor backplane is maintained per IEC 60255 impulse withstand ratings.

Frequently Asked Questions

Q: Does the REG670 1MRK002826-AG support hot-swap insertion of I/O modules while the device is energized?

A: No. The 670 series IEDs require de-energizing the auxiliary supply before inserting or removing any IOM, BOM, SOM, or TRM module. Hot-swap is not supported. Verify the removal procedure in the applicable ABB hardware manual prior to physical intervention.

Q: What is the backplane current consumption load imposed by a fully populated REG670 rack configuration?

A: The exact backplane current load depends on the quantity and type of installed expansion modules. Therefore, consult the PCM600 project export or the device nameplate for the specific ordered configuration. The auxiliary supply must be sized accordingly to cover the cumulative module draw within the 48-250 VDC / 110-240 VAC input range.

Q: Which firmware flash versions are compatible with the 1MRK002826-AG order code?

A: Firmware compatibility is bound to the function package and communication option set defined by the order code. Consequently, only firmware images released for the 1MRK002826-AG configuration shall be applied via PCM600. Installing an incorrect firmware package will result in a mismatch between the hardware I/O composition and the software function library.

Field Installation Guidelines

Mount the REG670 in a 19-inch rack or panel cutout rated for the device's form factor and weight. Next, ensure proper clearance for heat dissipation around the chassis, maintaining ambient conditions within the -25 deg C to +55 deg C operating range. Route CT and VT secondary wiring through separate conduits from communication and control cables to minimize electromagnetic interference. Furthermore, ground the shield of all analog and binary cables at a single point to the substation earth grid. Terminate all relay output contacts with appropriate ferrite suppression where inductive loads are switched. Finally, verify the auxiliary supply polarity and voltage level before applying power. Commissioning and setting changes shall be performed exclusively through ABB PCM600 connected via the front or rear communication port.

Other Attributes

• Series: Advant DCS/800xA
• Country of Origin:  Germany/Sweden/Finland
• Lead Time: In Stock, 2 Working Days

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