Pre-Commissioning Checklist
- Environmental Verification
- Ambient temperature: -25°C to +55°C (derate 1%/°C above 40°C)
- Humidity: ≤95% RH non-condensing (IEC 60068-2-30)
- Pollution degree: PD2 (IEC 60664-1)
- Safety Precautions
️ WARNING:- Disconnect all CT circuits before energizing (IEC 61810-3)
- Ground terminal (X1:17) must connect to station earth grid (≤0.1Ω)
Hardware Configuration
Terminal Assignments:
| Slot | Function | Specification |
|---|---|---|
| X1:1-4 | Binary Input (BI) | 24-250V DC, 3mA min wetting |
| X1:5-8 | Relay Output (RO) | 5A @ 250V AC (IEC 60947-4-1) |
| X2:1-2 | RS-485 Modbus | 19.2kbps, 120Ω termination req |
Front Panel Indicators:
- RUN (Green): 1Hz flash = normal operation
- ALARM (Yellow): Solid = protection activated
- FAIL (Red): Rapid flash = hardware fault
Protection Function Setup
Stage 1 Overcurrent (50/51):
[51P1] Pickup = 1.2 x In (0.1-25In adjustable) Time Dial = 0.05-1.0 (IEC 60255-151 curve) Reset = Instantaneous (ANSI C37.90)
Earth Fault (50N/51N):
- Sensitive setting: 1-20% In (0.5A steps)
- Definite time delay: 0.1-300s
Testing & Validation
- Primary Injection Test
- Apply 110% pickup current via CT secondary:
I_test = (Pickup ÷ CT Ratio) × 1.1 - Verify trip time tolerance: ±5% of setting
- Apply 110% pickup current via CT secondary:
- Communication Test
Read Holding Registers: 40001 = Device ID 40009 = Firmware version Write Coil 00001 = Remote reset
Maintenance Requirements
| Interval | Action | Standard Reference |
|---|---|---|
| 2 years | Contact resistance measurement | IEC 62271-203 (≤100mΩ) |
| 5 years | Dielectric strength test |
PPC907BE101 3BHE024577R0101 ABB Module PDF
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2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.
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If you are satisfied with the purchase, please leave us an active response.
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