Product Description
The Allen-Bradley 1394-SJT05-C is a standard GMC System module, similar to the 1394C-JST05-L, requiring a 3-phase, 380/460V, 50/60Hz input at 6.5A, and providing a 530/680V DC output with 4/5kW continuous power (28kW peak) at 7.36A continuous current (15.0A peak). It's compatible with the Allen-Bradley 1492-CB3-H300 secondary protection device and supports up to four axes using AM03 and AM04 modules in any combination, or AM03, AM04, and AM07 modules (limited to two AM07s). Other axis module combinations may cause false tripping due to inrush current. Power dissipation ranges from 66W to 80W depending on power output (20-100%), with a maximum additional dissipation of 200W (typically <10% capacity used). Correct parameter definition within the servo system is crucial, specifically setting Parameter 14, Parameter Group Configuration, Option No. 1 to 1394-SJT05-C. This 5kW (50-60Hz) GMC-IMC S Class module is 98% efficient, with a maximum power dissipation of 80W at 100% output. External protection requires a Bussman FRS-R-20A fuse (or equivalent 600V AC/20A fuse) and a user-supplied contactor (Allen-Bradley 100-C43x102,3 AC coil or 100-C43Zx102 DC coil recommended). Operating conditions are 32-122F and 5-95% non-condensing humidity, with enclosure temperature not exceeding 122F. Altitude operation is up to 3300 feet, with a 3% deration per 984 feet increase. Vibration limits are 1G (operating) and 2.5G (non-operating), and shock limits are 15G (operating) and 30G (non-operating). An optional SP-74102-006-01 AC line filter (3-phase 460V AC, 50-60Hz, 23A at 122F, 90% humidity, 20W power loss, 4.16 lbs, -13 to 185F operating temperature) can be used.
Is Your Device Showing These Signs?
The Allen Bradley 1394-SJT05-C commonly experiences issues related to drive communication errors, often stemming from corrupted firmware or faulty fiber optic cables. Resolve these by reflashing the firmware with a validated version and thoroughly inspecting/replacing the fiber optic cables and connectors. Overcurrent faults and IGBT failures are also frequent, necessitating inspection of the power stage components and replacement of damaged IGBT modules. Encoder feedback problems are addressed through encoder alignment, cable integrity checks, and replacement of the encoder if necessary. Parameter corruption within the servo drive's memory requires a complete parameter reset and reconfiguration, referencing the original machine parameters.
Technical specifications
The Allen-Bradley 1394-SJT05-C is a GMC-IMC S Class system with a 5 Kilowatt power rating at 50-60 Hz and 98% efficiency. It accepts a 3-Phase input voltage of 380 / 460 Volts, 50/60 Hz, with an input current of 6.5 Amperes, and provides an output voltage of 530/680V DC. The continuous power output is 4/5 Kilowatts, with a peak power output of 28 Kilowatts. Continuous current output is 7.36 A, and peak current output is 15.0 Amperes. A compatible secondary protection device is the Allen-Bradley 1492-CB3-H300. Axis module configuration allows up to four (4) axis modules using AM03 and AM04 in any combination, or a combination of AM03, AM04, and AM07 (no more than two AM07 modules). Power dissipation is 66 Watts @ 20% output, 70 Watts @ 40% output, 73 Watts @ 60% output, 77 Watts @ 80% output, and 80 Watts @ 100% output, with additional power dissipation of maximum 200 Watts. The [System Type] parameter must be set to define the catalog number, accessed through Parameter 14, Parameter Group Configuration, Option No. 1 1394-SJT05-C. External protection includes a recommended Bussman FRS-R-20A (or equivalent) fuse rated at 600V AC or 20A, a user-supplied contactor, a recommended AC coil contactor Allen-Bradley 100-C43x102,3, and a recommended DC coil contactor Allen-Bradley 100-C43Zx102. Operating temperature is 32-122 deg. Fahrenheit, relative humidity is 5-95% non-condensing, operating altitude is 3300 feet (3% deration per 984 feet increase), maximum operating vibration is 1G, maximum non-operating vibration is 2.5G, operating shock is 15G, and non-operating shock is 30G. A compatible AC Line Filter is the SP-74102-006-01 with Voltage: 3-Phase 460V AC, 50-60 Hz, Current: 23A @ 122 deg. Fahrenheit, Relative Humidity: 90%, Power Loss: 20W, Weight: 4.16 lbs., Operating Temperature: -13 to 185 deg. F.
Our Repair Process for the
1394-SJT05-C
Our repair process for the Allen Bradley 1394-SJT05-C begins with addressing drive communication errors by reflashing the firmware with a validated version and inspecting/replacing the fiber optic cables and connectors. Overcurrent faults and IGBT failures are resolved through inspection of the power stage components and replacement of any damaged IGBT modules. Encoder feedback problems are corrected through encoder alignment, cable integrity checks, and encoder replacement if required. Parameter corruption is rectified with a complete parameter reset and reconfiguration, using the original machine parameters as a reference.
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Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
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