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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | MELEC Inc. |
| Model / Part Number | C-870V1 |
| Product Type | Multi-Axis Stepper Motor Controller Card |
| Bus Interface | Standard 16-Bit ISA Bus Interface |
| Control Axes | Up to 4 Axes Independent Pulse Output |
| Output Pulse Rate | High-frequency pulse/direction command outputs |
| Feedback Channels | Incremental Encoder Inputs (A/B Phase Differential) |
| Operating Temperature | 0°C to +50°C (32°F to 122°F) |
| Form Factor | Full-length ISA Expansion Card with I/O Header |
Product Introduction & Supply Chain Strategy
This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability.
The MELEC C-870V1 is a multi-axis stepper motor controller board designed for high-precision positioning tasks in semiconductor manufacturing equipment, automated inspection systems, and specialized CNC machinery. Sourcing this module as New Surplus represents a vital supply-chain safeguard for plants operating legacy PC-based control systems. Because MELEC has discontinued this board series, securing factory-fresh New Surplus stock eliminates the risk of intermittent bus communication errors and dry-joint failures common in second-hand or repaired electronics, while bypassing multi-week repair lead times.
C-870V1
C-870V1
Installation & Configuration Guide
1
Pre-Installation (Prep & Safety)
Power down host IPC and apply ESD protection
1.Pre-Installation (Prep & Safety):Power down host IPC and apply ESD protection.
Shut down the host industrial PC and disconnect main power inputs under Lock-Out/Tag-Out (LOTO) procedures. Attach an ESD-grounded wrist strap before handling the card. Take clear photos of the DIP switches and address jumper banks on the original C-870V1 board.
2
Removal
Unscrew retaining bracket and extract card
2.Removal:Unscrew retaining bracket and extract card.
Disconnect external signal ribbon cables from the 50-pin I/O connector. Remove the retaining screw on the rear expansion slot bracket. Carefully extract the board straight upward out of the ISA slot to avoid damaging motherboard trace edge connectors.
3
Installation (Clone & Seat)
Set address jumpers and seat new card
3.Installation (Clone & Seat):Set address jumpers and seat new card.
Match all DIP switch settings and base I/O address jumpers on the new C-870V1 card to replicate the original hardware configuration. Align the card edge with the targeted ISA expansion slot and press down firmly until fully seated. Fasten the rear bracket screw.
4
Power-On & Testing
Reconnect cables and test pulse output
4.Power-On & Testing:Reconnect cables and test pulse output.
Reconnect external driver ribbon cables to the 50-pin header interface. Power on the industrial PC and launch motion diagnostic software to execute an axis loopback self-test. Verify clean pulse train output and accurate encoder count feedback without position deviation alarms.
Firmware/Software Versions & Upgrade Notes
- I/O Address Mapping: Base memory and address lines are set physically using onboard DIP switches and jumpers. Address conflicts with other expansion cards will cause system driver lockups upon boot.
- Driver Dependencies: The C-870V1 relies on dedicated low-level kernel drivers (DOS, Windows NT/2000/XP OEM libraries). Ensure system software remains locked to compatible OS versions.
- Hardware Revisions: Verify board revision designation (V1 suffix) matches your application requirements to maintain identical pinout mappings for external opto-isolated terminal blocks.
Frequently Asked Questions (FAQ)
Q: Is this MELEC C-870V1 controller card genuinely brand new surplus? A: Yes, this card is 100% Genuine New Surplus. It has never been installed in an active industrial chassis or subjected to production thermal cycling. We enforce a strict zero-tolerance policy against refurbished or salvaged electronics.
Q: Why choose New Surplus over a refurbished or repaired MELEC card? A: Refurbished legacy boards often suffer from degraded electrolytic capacitors, weakened solder joints, and contact fatigue on edge connectors. Buying New Surplus guarantees factory-level signal integrity and prevents unexpected machine positioning errors.
Q: Does the C-870V1 card require external power supplies? A: Logic circuits draw low-voltage power directly from the ISA bus backplane (+5V). However, external I/O field signals require an external 12–24 VDC supply routed through the external breakout interface.
Q: Can I insert or remove the C-870V1 card while the industrial PC is running? A: No. Hot-swapping ISA expansion boards while the bus is powered will permanently destroy internal logic ICs and damage the motherboard backplane.
Q: What warranty coverage comes with this New Surplus board? A: Every MELEC C-870V1 New Surplus module is backed by a 1-year functional replacement warranty, supported by pre-shipment mechanical and electrical inspection.
