FANUC A05B-2601-C412 is a complete Emergency Stop Unit used in FANUC R-30iB and R-30iB Plus controllers with an A-cabinet. The corresponding FANUC ordering specification is A05B-2601-H292.
The E-Stop Unit is mounted inside the controller and manages the controller’s emergency-stop system and safety-related control circuitry.
SPECIFICATIONS:
- Manufacturer: FANUC
- FANUC Part Number: A05B-2601-C412
- Controller: R-30iB and R-30iB Plus
- Cabinet Type: A-cabinet
- Part Type: Complete E-Stop Unit Assembly
- Specification: UL489
- Power Rating: 7.5 kVA / 10.5 kVA
- Current Rating: 30A
Included Components:
- FANUCÂ E-Stop Board: A20B-2200-0650
- Mitsubishi 30 Amp no-fuse breaker: NF50-SVFU
- Two Schneider Electric TeSys contactors: LC1 D386BL
- Internal connecting cables
- TF1: A660-8017-T838
- E-Stop CNMC6: A660-8017-T839
- E-Stop CNMC5: A660-8017-T833
- FANUC metal mounting housing
Common Symptoms of an E-Stop Unit Issue
FANUC troubleshooting procedures identify replacement of the complete E-Stop Unit in connection with several controller faults, including:
- SRVO-021 – SRDY Off
- SRVO-251 – DB Relay Abnormal
- SRVO-348 – DCS MCC OFF Alarm
- SRVO-349 – DCS MCC ON Alarm
