a06b-6087-h126 power supply

FANUC A06B-6087-H126 Power Supply: Beyond the User Manual

The A06B-6087-H126 is a 200V/230V Power Supply Module (PSM-26) that is designed to provide the main power supply. The module uses power regneratation that returns energy to the power supply during motor deceleration (regeneration).

The following is the wiring diagram for the A06B-6087-H126. With the PSM-26, always install the circuit breakers, magnetic contactor, and AC reactor. To protect the equipment from lightning surge voltages, install a lightning surge protector across each pair of power lines and across each power line and the grounding line at the power inlet of the power magnetic cabinet. Always connect the control power supply cable to the CX1A. If it is connected to the CX1B, fuses inside the A06B-6087-H126 may blow.

A06B-6087-H126
A06B-6087-H126 Wiring Diagram

A06B-6087-H126 Connection Diagram

A06B-6087-H126 Connections
A06B-6087-H126 Connections
Names Display Remarks
1 DC link terminal block Display the terminal block TB1
2 DC link charge LED (Warning)
3 Status LED STATUS
4 200VAC input connector CX1A
5 200VAC output connector CX1B
6 24VDC output connector CX2A/CX2B Both connectors have the same function.
7 Output connector for interface between modules JX1B
8 Connector for the main power MCC control panel CX3
9 Connector for the ESP signal CX4
10 Regeneration phase switch S1/S2 Factory-set to S1
11 Check pin See below for details
12 Terminal names for terminal block for motor power line
13 Terminal block for motor power line TB2 Display the terminal block TB2
14 Tapped hole for grounding the flange

*** Do not touch module components or connected cables while DC charge LED (2) is lit. There is a danger of electrical shock. 

Detailed Functions of the Check Pin:
IR        : Waveform of R-phase input current
IS        : Waveform of S-phase input current
+24V  : +24V power supply
+5V    : +5V power supply
0V      :  0V

MRO Electric stocks new and refurbished FANUC A06B-6087-H126 Power Supply Modules.  For more information or to request a quote, please call 800-691-8511 or email sales@mroelectric.com.

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