DS200KLDCF1 GE | New Surplus Stock

Description

Product Introduction

The pump station had 20 small drives. Each drive needed a keypad — but the budget didn’t allow 600 per drive for the KLDA. The plant installed DS200KLDCF1 compact keypads. Two-line display. Eight keys. Basic parameter access. 300 each. The operators can start, stop, and change speed. No frills. The budget worked.

The DS200KLDCF1 is the compact, low-cost operator interface for Mark V drives. It has a 2-line by 16-character LCD (character-based, not graphic). Eight tactile keys (start, stop, up, down, enter, escape, F1, F2). The KLDC mounts in a standard Mark V rack slot (same as larger keypads). It communicates via RS-485 (backplane). The display is monochrome with green backlight.

What makes the F1 different from the KLDA (text version)? The KLDC has fewer keys (8 vs 16). The display is smaller (2 lines vs 4 lines). It has no numeric keypad (enter values via up/down keys). The KLDC also has no password protection (single level access). It’s for basic control only — not complex parameter editing. The cost is half the KLDA.

Key Technical Specifications

Quality Inspection Process (SOP Transparency)

Simple keypad, simple test.

Incoming Verification: OEM packing slip. Visual inspection: LCD (no dead segments), keypad (8 keys intact, no cracks), bezel (no scratches). The board has a small PCB (half the size of KLDA).

Keypad Test (8 Keys): Automated key presser, 10 presses each. Verify key registration via diagnostic mode.

Display Test (Character Test): Write all characters (0-9, A-Z, a-z, symbols). No missing segments, no dead rows.

Communication Test: Install in rack with Mark V controller. Read parameters (speed, current). Write setpoint (change speed via Up/Down keys).

Temperature Test (50 °C Ambient): Run for 4 hours. LCD must remain readable (contrast drifts but within range). Keypad functional.

Power Consumption Test: Measure +5 V current — must be <110 mA.

Field reliability note (from our RMAd board tracking): We sold 110 units of DS200KLDCF1 over 48 months. Eight field failures: five from keypad wear (keys no longer click), two from LCD failure (missing segments), one from moisture ingress. 7.3% failure rate (keypad wears after 4-5 years).

Field Replacement Pitfalls

Get these five right and you’ll cut rework time by 90%. The KLDC is simple but has limitations.

No Password Protection — Anyone Can Change Parameters
The KLDC has no password. One site had operators changing critical parameters (acceleration time, current limit). The drive tripped. Use the F1/F2 keys for operator functions only (start, stop). Disable parameter write access via controller configuration (P0004 = 0). Operators can still read parameters but not write.

Numeric Entry Via Up/Down — Slow for Large Changes
The KLDC has no numeric keypad. To change speed from 0 to 1500 rpm, press Up 1500 times. One site took 5 minutes. Use the F1 key as “fast increment” (programmable). Configure F1 as +100 rpm per press. The keypad is for fine-tuning, not large changes.

Display Refresh Rate — 500 ms (Slow)
The LCD updates at 500 ms intervals (2 Hz). Fast-changing values (like current) appear jerky. One site used the KLDC to monitor current spikes. Missed the spike. Use SCADA for fast data. The KLDC is for steady-state monitoring.

Keypad Legends — Not Customizable
The keypad has fixed legends (Start, Stop, etc.). One site wanted to use the KLDC for a different function (reset fault, jog). They had to create a label overlay. Use clear labels. The membrane is not printable.

Backlight — Fixed Intensity (Not Adjustable)
The green backlight is fixed intensity. Too bright at night. One site installed the KLDC in a dark control room. The backlight was distracting. Add an external dimmer (in line with +5 V) — but that may void warranty. Or use tape to cover the backlight partially.

New Original vs. Refurbished: Why It Matters

The KLDC’s keypad and LCD are consumables. Refurbished boards have worn keys and dim displays.

What “New Original (New Surplus)” means on this model:
GE manufactured the KLDCF1 until 2022. Our stock comes from a pump OEM’s overstock — original GE cartons, boards never powered. The keypad has zero presses. The LCD has zero hours. The backlight is fresh.

Refurbished risk in plain terms:
One refurbished KLDC we tested had 3 keys that didn’t click (dome switches collapsed). The seller tested with a key press simulator (not human). Another refurbished board had a dim backlight (LED aging) and missing LCD segments.

Real cost of a refurbished failure:
A failed keypad on a pump drive means the operator cannot stop the pump locally. They have to run to the MCC (5 minutes). A refurbished KLDC sells for 100-200 online. Our new surplus price is 300. The difference is $100-200. One nuisance stop pays for the delta.

What we provide as proof:

• Original GE carton
• Keypad test (all 8 keys, 10 presses each)
• LCD test (all segments, no missing)
• Backlight test (green, even illumination)
• Power consumption (<110 mA)
• 12-month warranty

Our price sits roughly 40% below GE’s last list price ($500) and about 60% above typical refurbished listings. The delta pays for fresh keypad, new LCD, and backlight warranty.

Performance Benchmarks & Test Results

Test environment: Mark V controller v7.6, 25 °C ambient.

Keypad life (tested): 550,000 presses (spec: 500,000). Acceptable.

LCD contrast ratio (25 °C): 8:1 (readable). At 50 °C: 6:1 (marginal but readable).

Backlight half-life (green LED): 100,000 hours (11 years).

Display update rate: 520 ms (measured). Slow but adequate.

Communication update (parameter read): 200 ms per parameter.

Power consumption (+5 V): 95-105 mA. Low.

Temperature drift (contrast): Manual contrast adjustment recommended at temperature extremes.

Field reliability note (from our RMAd board tracking): 110 units sold, 8 failures (keypad wear). Refurbished boards: tested 20 units, 12 had worn keypads, 5 had dim backlights, 3 had missing segments, 0 passed (all had some wear). 0% acceptable for keypad function. Buy new surplus for reliable operation.

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