Product Details
The ABB 3BSE000470R1 PFBK 105, also cataloged as the PFBK 105 Digital Input Modules, operates as a dedicated hardware component for 24 VDC discrete signal acquisition within ABB industrial control networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PFBK 105 |
| Order Code | 3BSE000470R1 |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Digital Input Modules |
| Number of Channels | 16 Channels |
| Input Voltage | 24 VDC |
| Current Consumption | 10 mA |
| Galvanic Isolation | Integrated |
| Dimensions | 112 mm x 90 mm x 60 mm |
| Weight | 0.5 kg |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 0.24 W nominal per active input loop |
Backplane Bus Communication & I/O Density Scaling
The ABB PFBK 105 digital input module conditions 16 discrete 24 VDC process signals and transfers channel states directly to the system rack backplane. High-speed optocouplers provide galvanic isolation between field terminal points and internal backplane logic circuitry. Supporting flexible I/O density scaling across backplane rack segments, the module maintains firmware flash compatibility to deliver deterministic scan execution across industrial control platforms.
Frequently Asked Questions
Q: Does the PFBK 105 digital input module support hot-swapping under live power?
A: Main rack power and field loop power must be disconnected before extracting or inserting the module to prevent electrical arcing across backplane connectors.
Q: How is electrical isolation achieved across the 16 input channels on the PFBK 105?
A: Internal optoelectronic couplers isolate 24 VDC field signal lines from the logic backplane bus, preventing ground loops and high-voltage electrical surges from damaging controller electronics.
Field Installation Guidelines
- Disconnect main system power and 24 VDC auxiliary loop supplies before installing the PFBK 105 card into the rack chassis.
- Align module edge connectors with the mounting rail slots and push firmly until the rear interface snaps completely into the backplane.
- Fasten faceplate locking screws to ensure positive earthing continuity with the rack chassis frame.
- Route 24 VDC discrete input cabling in dedicated wire channels separate from high-voltage AC conductors and motor drives.
- Terminate shield conductors to the primary cabinet earth ground bar prior to restoring operating power.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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