IQS900 204-900-000-011 A1-B21-C1-H05-I0 Signal Conditioner

Overview
IQS900 204-900-000-011 A1-B21-C1-H05-I0 is a signal conditioner designed for eddy current proximity sensors. It is used to convert the original signal output by the sensor into current (-15.5 to -20.5 mA) or voltage (-1.6 V to -17.6 V) output, suitable for machinery condition monitoring (spectrum analysis).
The IQS900 signal conditioner is a configurable, versatile device that can be configured for sensitivity, measuring range, system length and optional diagnostic circuitry. Available in standard version and in an Ex-certified version for use in potentially explosive atmospheres.
Note: It is an upgraded version of the IQS45x series.
🚀Function
The core functions of the 204-900-000-011 A1-B21-C1-H05-I0 are as follows:
- Signal Conditioning: The IQS900 provides signal conditioning for TQ proximity sensors.
- Measurement Capabilities: The IQS900 can perform shaft relative vibration and gap/position measurements for machinery protection and/or advanced condition monitoring.
- Output Selection: The IQS900 provides both current output (for long distance signal transmission) and voltage output (for medium distance signal transmission).
- Test Support: Both "raw" output and "test" input signals are provided to support field testing.

Specification
| Model | IQS900 |
| Ordering Number | 204-900-000-011 A1-B21-C1-H05-I0 |
| Diagnostics Options | • Without diagnostics • With diagnostics (SIL 2 compliant) |
| Output Signal (Current) | • Normal operation: -15.5 to -20.5 mA • Fault indication: Values outside this range indicate sensor/cable/conditioner issues |
| Output Impedance | >60 kΩ |
| Recommended Input Impedance | <350 Ω (monitoring system) |
| Output Signal (Voltage) | • Min. gap voltage: -1.6 V • Max. gap voltage: -17.6 V • Measurement range: 16 V (covers 2 mm or 4 mm sensor range) |
| Output Signal (Current) | • Min. gap current: -15.5 mA • Max. gap current: -20.5 mA • Measurement range: 5 mA (covers 2 mm or 4 mm sensor range) |
Questions & Answers
💡 FAQ
Q: What is the brand?
A: Spare
Q: What is the type?
A: Signal Conditioner
Q: What is the warranty?
A: 1 year
Q: Where is the shipping location?
A: Xiamen
Q: What is the payment method?
A: T/T
Q: Why choose us?
A: We are the supplier for industrial automation spare parts,We speciaized in PLC DCS and TSl system modules and spare parts for 10 years, With our professional expertise and extensive experience, we are well-equipped to meet your requirements.
After-sales service




Contact us
Our address
Room 1904, Building B, Diamond Coast, No. 96 Lujiang Road, Siming District, Xiamen, Fujian, China
Phone Number
+86 18059276824
sales7@nseauto.com

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