DS200TCPDG2B GE

Technical Parameters

Manufacturer: GE
Series: Mark V / Mark VIe
Channels: 16 differential
Input Range: -10 mV to +100 mV (Type J/K/T/E)
Cold Junction: Single onboard sensor with enhanced linearization and thermal isolation
Isolation: 1500V AC
Accuracy: ±0.08% at 25°C, ±0.15% across full temperature range
Sampling: 10 Hz sequential
Temp Range: -30°C to +70°C (operating)
Storage: -40°C to +85°C
Mounting: VME rack
Suffix “G2B”: Enhanced accuracy (0.08%) + G2 wiring configuration (different channel-to-terminal mapping than G1) + extended diagnostics (drift, degradation, sense-lead) + extended upper temperature (70°C) + basic diagnostics + fixed firmware

Key Features

• Enhanced accuracy – ±0.08% for critical temperature monitoring

• Extended diagnostics – drift monitoring, degradation prediction, and sense-lead integrity checks

• Faster sampling – 10 Hz for responsive monitoring

• G2-specific wiring configuration – unique channel-to-terminal mapping matching specific GE cabinet wiring standards; direct drop-in for G2-configured systems

• Extended upper temperature limit – operates up to 70°C for hotter cabinets

• Improved cold-junction compensation – stable readings across ambient variations

• Simple swap – no firmware changes required in most Mark V systems

• LED status per channel + board health, with extended diagnostic indicators

• Standard conformal coating for moisture/dust resistance

• Backward compatible with Mark V and Mark VIe (hot-swap only on VIe Rev D+)

Applications

• Legacy gas turbine retrofits with G2 wiring – where existing field wiring uses G2 terminal assignments and higher accuracy with diagnostics is required

• Steam turbine bearing monitoring in G2 cabinets – critical protection with drift anticipation

• Pipeline compressor stations with G2-configured cabinets – precision monitoring with predictive maintenance

• Industrial cogeneration plants – where OEM specified G2 wiring for thermocouple terminations

• Facilities with G2-standard cabinets requiring diagnostic insights

Comparison with Competitors

Selection Tips

• Choose the DS200TCPDG2B only if your cabinet uses G2 wiring configuration and you require enhanced accuracy (±0.08%) with extended diagnostics – this board combines precision, diagnostics, and G2 pinout compatibility

• For G2 systems where ±0.12% accuracy is acceptable without diagnostics, the DS200TCDAG2B is more economical

• For G2 systems with high accuracy but no diagnostics, consider DS200TCEAG2B

• For G1 systems requiring the same features, use the DS200TCPDG1B

• If you are rewiring the cabinet, consider converting to G1 and using the DS200TCPDG1B or DS200TCDAG1ADA

• Verify existing wiring pinout against G2 standard – using the wrong terminal block or miswiring will scramble channel readings

• Source refurbished units with G2 pinout verification and diagnostic test validation in the test report

Precautions

• ESD sensitive – use wrist strap

• Power down for Mark V removal (no hot-swap)

• Torque terminals to 0.5 N·m max

• Do not exceed -30°C to +70°C operating range – exceeding 70°C reduces component life

• Pinout critical – G2 mapping differs from G1; verify cabinet wiring before installation

• Calibrate every 24 months – extended diagnostics depend on a valid baseline calibration

• Ground shields only at the board end

• Verify thermocouple type – optimized for J/K (T/E reduces accuracy to ±0.15%)

• Monitor diagnostic logs – drift warnings indicate sensor aging; plan proactive replacement

• Label clearly – mark board and slot as “G2B – PRECISION/DIAG” to ensure proper handling and prevent future miswiring with G1 boards

• Do not mix G1 and G2 boards without verifying terminal block compatibility in the same rack