Vibro-Meter IQS450 204-450-000-001 A1-B21-H10-I0

204-450-000 001 A1-B21-H10-I0

A1: Optimized for TQ401-series probes (0–4 mm eddy-current).

B21: 4–20 mA loop output (4 mA = 0 mm; 20 mA = 4 mm).

H10: 10 m integral coaxial cable to probe.

I0: Standard (no internal IS barrier).

Drive Voltage: –20 V DC to –32 V DC (≈ 13 mA) to excite the TQ401 probe.

Measuring Range: 0–4 mm linear span (±1 % over full scale with matched probe).

Frequency Response: DC 20 kHz (captures both slow deflection and high-frequency vibration).

Output Signals

Scaled 4 mA @ 0 mm, 20 mA @ 4 mm; drive capacity up to 800 Ω.

Provides a fail-safe “low-current” indication (< 3 mA) on open-circuit.

Buffered, proportional to gap (0 V @ 0 mm → 10 V @ 4 mm).

Output impedance ≈ 500 Ω; available on the VM600 raw bus for downstream cards (e.g., MPC4, CMC16).

Cable: 10 m PTFE-insulated, stainless-steel-braided coax.

Operating Temp.: –25 °C to +65 °C; Storage: –40 °C to +85 °C.

Shock: 6 g half-sine, 11 ms.

Vibration: 5–35 Hz @ 0.15 mm; > 35 Hz @ 1 g.

Humidity: Up to 95 % non-condensing.

Mounting: Hot-swappable in any VM600 backplane slot.

Designed for safe-area use; pairs with external IS barriers for hazardous zones.

Dual-Output: 4–20 mA + 0–10 V

4–20 mA loop output for long-distance or intrinsically safe circuits; raw 0–10 V on the VM600 bus for protection cards or PLC analog inputs.

Fail-safe behavior: < 3 mA indicates probe open/short.

Flat DC–20 kHz response supports both slow shaft-center tracking and high-frequency vibration detection without external filtering.

≤ 1 % linearity over 0–4 mm ensures accurate gap measurement.

Extended Probe Cable (10 m)

Built-in, low-capacitance 10 m cable reduces signal attenuation and preserves bandwidth in large machinery rooms.

Stainless-steel braid and PTFE insulation for chemical and mechanical resistance.

On-board diagnostics monitor probe continuity; open/short faults drive loop current < 3 mA and set raw-bus output to a defined “fault” level.

Front-panel LED reports “OK” vs. fault status at a glance, even during hot-swap.

Modular, Hot-Swap Design

VM600 6 U form factor; can be inserted/removed under power without disrupting the rest of the rack.

Conformal-coated PCB option for high-humidity or corrosive environments.

Rear-plane connection supplies power, raw bus, and loop-output routing.

Compatible with VibroSight and VM600 protection/monitoring cards (MPC4, CMC16).

Applied to GE 7FA gas turbine bearing vibration monitoring, integrated VM600 system to achieve automatic trip protection, annual fault downtime reduced by 40%

Deployed in Siemens Gamesa 6MW wind turbine gearbox, transmit vibration data to SCADA system via RS-485, support remote diagnosis.