SARTORIUS MDB-8E | Industrial Metal Detector Controller Module In Stock

Description

Key Technical Specifications

• Part Number: BO-623710000 (MatNo.: BO-623710000-27736457)
• Model: MDB-8E (Type-MDB8-E)
• Detection Tech: Dual-channel signal processing
• Relay Outputs: 8-channel relay module (MDB-8E)
• I/O Options: TTL I/O lines, optically isolated inputs
• Frequency: Typically operates around 15.0 kHz (verify with specific coil)
• Display: Integrated LCD interface with functional status LEDs
• Protection: Overload and short-circuit protection on outputs
• Mounting: Control cabinet / panel mount
• Manual Reference: BA-2371

Product Introduction

If you’ve ever worked on a food packaging line or a pharmaceutical conveyor, you know the headache of a metal detector that cries wolf every time a slightly denser product goes through. The SARTORIUS MDB-8E (Part No. BO-623710000) is the brain behind the scenes that stops those false rejects from killing your production efficiency.This isn’t just a simple relay block; it’s a dual-channel controller designed to interface directly with search coils and reject systems. I’ve seen these units handle high-speed conveyor belts where they have milliseconds to decide whether to kick a contaminated product off the line. The MDB-8E shines because of its programmable logic—you can fine-tune the sensitivity for different product types (like wet vs. dry goods) through its menu system. It’s a workhorse that has been keeping contaminants out of consumer goods for decades.

Quality SOP & Tech Pitfalls (The Reality Check)

The Lab Report (SOP)
We don’t just pull these off a shelf and ship them. Every MDB-8E controller undergoes a visual inspection to ensure the LCD screen and membrane keys are pristine. We verify the part number (BO-623710000) against the chassis label to prevent revision mismatches. Before anti-static sealing, we check the relay terminals for any signs of arcing or corrosion, ensuring the contacts are clean for your reject solenoids.The Engineer’s Warning (Pitfalls)
Here is a classic rookie mistake: Do not weld on the conveyor frame without disconnecting this controller. I’ve seen technicians weld a bracket right next to the detector, sending a massive electrical surge straight through the coil and frying the MDB-8E’s input stage instantly. Always unplug the coil and power down the unit before doing any hot work nearby. Also, pay attention to the “Metal-Free Zone” around your coil; if you mount this controller or other metal cabinets too close to the search head, you’ll never get it balanced properly.

Installation & Configuration Guide

Swapping out a metal detector controller requires precision to avoid constant false trips.

1. Pre-Installation & Safety: ⚠️ CRITICAL: Power down the entire conveyor and metal detection system. Lockout/Tagout (LOTO) the main breaker.
2. Removal: Take a high-resolution photo of all terminal block wiring on the old MDB-8E. Label every single wire (coil connections, power, reject solenoids, and conveyor sync). Disconnect the search coil cable carefully.
3. Installation: Mount the new MDB-8E in the control cabinet. Crucial Step: Reconnect all wires exactly as labeled. A swapped coil wire will cause immediate faults. Ensure the shielding on the coil cable is properly grounded at the controller end to prevent electromagnetic interference (EMI).
4. Power-On & Configuration: Power up the unit. Access the system configuration menu (often requiring a code like 1234 for setup). Run the “Auto-Balance” or “Compensation” routine with an empty belt. Test the rejection system using the standard test pieces (Fe, Non-Fe, SS) to verify sensitivity.

Compatible Replacement Models

Frequently Asked Questions (FAQ)

1. What does the MDB-8E actually do in the system?
It’s the main controller. It sends a frequency through the search coil, monitors for disruptions caused by metal, and triggers the relay outputs to fire the air blast or pusher arm that kicks the bad product off the line.2. Can I use this with any metal detector coil?
No. The MDB-8E is calibrated for specific Sartorius search coils. Using a mismatched coil will result in constant noise faults or a complete failure to detect. Check your coil’s data plate against the controller’s manual (BA-2371).3. I see “Noise Fault” on the display. Is the unit broken?
Not necessarily. This usually means external electrical interference (like a nearby VFD or unshielded motor cable) or the coil is touching the metal frame. Check your grounding and the “Metal-Free Zone” first.4. Is the part number BO-623710000 the same as MDB-8E?
Yes. MDB-8E is the model name you’ll see on the front, while BO-623710000 is the specific ordering material number. Always cross-reference both when buying.5. Can I adjust the sensitivity for different products?
Yes. The MDB-8E has product memory slots. You can set different sensitivity levels and signal delays for different items running on the same line, usually accessed via the operator terminal codes.6. Do you have these in stock?
Yes, we currently have genuine SARTORIUS MDB-8E controllers available. Since these are specialized industrial components, inventory moves fast, so grab one if your line is down.