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Sigma Si
- Approved to EN12094-1, EN54-2 and EN54-4
- 2, 4 or 8 detection zones
- Certified compliant with BS EN12094-1 when used with Sigma XT control equipment
- High brightness LEDs
- Detailed indication of the status of the control panel
- Monitored data connection
- Countdown timer shows time remaining until release
- Manual only and Automatic & Manual mode select keyswitch option
- Four wire connection (data and power)
- Protected dual action manual release switch option
- Option for zonal fire and common fault indication with buzzer
- Robust, high quality enclosure
- Easy access to terminals
- Remote Auto/Manual door interlock input (monitored)
- Remote Hold input (monitored)
- Internal fault diagnosis indicators
- Weatherproof IP65 versions available
- Internal buzzer
| Mô tả | |
| Construction | 1.2mm mild sheet steel |
| IP Rating (Standard unit) | IP30 |
| IP Rating (Weatherproof unit) | IP65 |
| Colour - lid & box | BS 00 A 05 grey - fine texture |
| Weight | 1kg (all units) |
| Power supply | 21 to 30 V DC |
| Maximum current draw | 0.07A |
| Max. number of status units | 7 |
| Quiescent current | 0.033A |
| Cable capacity | 2.5mm² per terminal |
| Monitored inputs end of line resistor | 6K8 0.5W Resistor |
| Monitored inputs normal threshold | 8K ohm to 1K ohm |
| Monitored inputs trigger threshold | 700 ohms to 100 ohms |
| Monitored inputs | 99 ohms to 0 ohms |
| Short circuit threshold data connection | Two wire RS485 connection |
