Hochiki CHQ-ISM Intrinsically Safe Compatible Sounder Module
SKU
CHQ-ISM
£89.12
£74.27
Hochiki CHQ-ISM Intrinsically Safe Compatible Sounder Module
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Product Details for Hochiki CHQ-ISM Intrinsically Safe Compatible Sounder Module
The Hochiki CHQ-ISM Sounder Control Module interfaces between the Hochiki Analogue system via a CHQ-DSC2(SCI) or conventional sounder outputs and the intrinsically safe sounder/beacon units via an intrinsically safe barrier. The module provides line monitoring for open or short circuits on the wiring connected to both the safe and hazardous areas.
Key Features of the CHQ-ISM |
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> Provides dual sounder circuits
> Provides fault-monitored input > Interfaces between loop and I.S. sounders/beacons > Fully monitored for short-circuits > Requires 24 VDC external power supply > Also available as a DIN module |
| Brand | Hochiki |
|---|---|
| Manufacturer Part No. | CHQ-ISM |
| Product Series | Hochiki Intrinsically Safe |
| Primary Power Source | 24V DC |
| System Type | Addressable/Conventional |
| Protocol Compatibility | Hochiki ESP |
| Warranty | 3 Years |
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Product Specification for Hochiki CHQ-ISM Intrinsically Safe Compatible Sounder Module
| Description | Hochiki Intrinsically Safe Sounder Interface Module |
| Product Code | CHQ-IZM |
| PSU Supply voltage (typical): | 24V |
| I.S. BARRIER 1 Voltage (max.): | 28V |
| I.S. BARRIER 2 Voltage (max.): | 28V |
| Quiescent current (max.): | 50 mA |
| SNDR CCT 1 Current poweredwith 24V (typical): | 12 mA |
| SNDR CCT 2 Current poweredwith 24V (typical): | 12 mA |
| I.S. BARRIER 1 Load Current: | 40 mA max. |
| I.S. BARRIER 2 Load Current: | 40 mA max. |
| Maximum Cable Resistance on I.S. barrier terminals: | 25R |
| EOL CCT 1: | User Determined |
| EOL CCT 2: | User Determined |
| Monitored input EOL: | 10K Ω resistor (supplied) |
| Input Thresholds: | Normal condition (10KΩ±5%): 10.5KΩ max. On/Activated (>100KΩ): 100Ω min. On/Activated (>50KΩ): 50Ω max. |
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