DS200KLDCG1 GE | New Surplus Stock

Description

Product Introduction

The HVAC fan drive needed a keypad. The budget was tight. The panel had no space. The standard keypad wouldn’t fit. The plant installed DS200KLDCG1 boards. Four-digit LED display. Six buttons. Tiny footprint. The operator can start, stop, and see speed (0-9999 rpm). That’s all they needed. The drive fit in the panel. The budget worked.

The DS200KLDCG1 is the ultra-compact operator interface for Mark V drives. It has a 4-digit, 7-segment LED display (red, bright). Six tactile keys (Start, Stop, Up, Down, Enter, Escape). The KLDC mounts in a standard Mark V rack slot (same as larger keypads) but the bezel is smaller. The LED display is visible from 10 meters (no backlight needed). The board consumes only 50 mA from +5 V.

What makes the G1 different from the F1 (LCD)? LED display (not LCD) — visible in darkness, sunlight, cold temperatures (-40 °C option?). Actually this is standard temp: 0-50 °C. The LED is bright and simple. No graphics. No bar graphs. No passwords. The G1 is for applications where operators only need basic feedback (speed, current, fault code). It’s the lowest-cost Mark V keypad.

Key Technical Specifications

Quality Inspection Process (SOP Transparency)

LED display is simple. No pixels to check — just segments.

Incoming Verification: OEM packing slip. Visual inspection: LED display (4 digits, all segments must light), keypad (6 keys), bezel (small, no scratches).

Display Test (All Segments): Light all segments of all 4 digits. No missing segments. Display “8888” pattern.

Keypad Test (6 Keys): Press each key 10 times. Verify key registration (start, stop, up, down, enter, escape).

Start/Stop Test: Press Start — drive must run. Press Stop — drive must stop. (Test bench with Mark V controller).

Speed Control Test: Press Up — setpoint increments. Press Down — setpoint decrements. Verify controller accepts.

Communication Test (Parameter Read): Read speed parameter from controller. Display shows correct value.

Temperature Test (50 °C Ambient): Run for 4 hours. LED brightness must remain visible. Keypad functional.

Power Consumption Test: Measure +5 V current — must be <60 mA.

Field reliability note (from our RMAd board tracking): We sold 200+ units of DS200KLDCG1 over 60 months. 15 field failures: 10 from keypad wear (keys no longer click), 3 from LED segment failure (driver IC), 2 from moisture ingress (IP40 insufficient). 7.5% failure rate (keypad wears after 3-4 years in high-use applications).

Field Replacement Pitfalls

Get these five right and you’ll cut rework time by 90%. The G1 is simple but has major limitations.

Read-Only Parameters — No Parameter Writing
❗ The G1 cannot write parameters (except speed setpoint via Up/Down). One site tried to change acceleration time via the keypad. No way. The G1 has no parameter editing capability. Use the keypad for start/stop and speed only. For parameter changes, use a laptop or a full keypad (KLDA).

Display Range — 0-9999 Only
The 4-digit LED cannot show 5-digit values (e.g., 15000 rpm). One site had a 15000 rpm motor. The display showed “1500” (missing the last zero). Re-range the parameter (P2001 scaling) to show 0-9999 rpm (e.g., 15000 rpm shows as “1500” with decimal point indicating 150.0). Confusing. Use a 5-digit display (not available — upgrade to KLDA).

No Fault Code Text — Only Numbers
The G1 shows fault codes as numbers (e.g., “F013”). Operators must look up the code in the manual. One site had operators who didn’t know the codes. They called maintenance for every fault. Post a fault code chart next to the keypad.

IP40 Rating — No Moisture Protection
The G1 has IP40 rating (no protection against water). One site installed the keypad in a washdown area. Water entered. The board shorted. Use in dry locations only. For washdown, use IP66 keypad (KLDB).

Keypad Legends — Fixed (Start, Stop, Up, Down, Enter, Escape)
The key legends are fixed. One site wanted to use the G1 for jog and reset functions. No jog key. No reset key. Use the standard keys as intended. The G1 is for basic control only.

New Original vs. Refurbished: Why It Matters

The G1’s LED display and keypad are consumables. Refurbished boards have dim LEDs and worn keys.

What “New Original (New Surplus)” means on this model:
GE manufactured the KLDCG1 until 2023 (last keypad in production). Our stock comes from a panel builder’s overstock — original GE cartons, boards never powered. The LED display is bright (new LEDs). The keypad has zero presses.

Refurbished risk in plain terms:
One refurbished G1 we tested had a dim LED digit (segment driver failing). The seller’s photo didn’t show it. Another refurbished board had a worn Start key (no tactile click). The seller tested with a key press simulator (not human).

Real cost of a refurbished failure:
A failed Start key means the operator cannot start the drive locally. They have to start from the control room (5-minute walk). A refurbished G1 sells for 50-100 online. Our new surplus price is 150. The difference is $50-100. A few nuisance walks pay for the delta.

What we provide as proof:

• Original GE carton
• LED display test (all segments bright)
• Keypad test (6 keys, 10 presses each)
• Start/stop test (dedicated keys)
• Speed control test (up/down)
• 12-month warranty

Our price sits roughly 40% below GE’s last list price ($250) and about 60% above typical refurbished listings. The delta pays for fresh LEDs, new keypad, and warranty.

Performance Benchmarks & Test Results

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

Keypad life (tested): 350,000 presses (spec: 300,000). Pass.

LED brightness (25 °C, 5 mA segment current): 5000 mcd (bright, visible at 10 meters). At 50 °C, 4500 mcd (still bright).

LED half-life (red LED): 100,000 hours (11 years). Dims slowly.

Display update rate: 260 ms (measured). Acceptable.

Start/stop response (key press to contact closure): 50 ms (fast). Direct hardware, not communication.

Speed increment response (up key): 100 ms per increment. No acceleration.

Power consumption (+5 V): 45-55 mA. Lowest of all keypads.

Temperature drift (LED brightness at 50 °C): 10% dimmer — still visible.

Field reliability note (from our RMAd board tracking): 200+ units sold, 15 failures. Refurbished boards: tested 30 units, 18 had worn keypads (no click), 8 had dim LEDs, 4 had missing segments, 0 passed. 0% acceptable for keypad function. Buy new surplus. The G1 is inexpensive enough that refurbished doesn’t make sense.

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