The close-off system “abs 9304” is designed and approved especially for the use with conveyance system closures (Z-6.5-1517). It consists of the following components:
- Power supply: 230 V/50 Hz
- Working range: 198 – 253 V
- Power consumption: 36 – 108 W
- Ambient temperature: 0 – 40° C
Power supply
Electrical supply for fire alarm, tripping device, close-off device and auxiliary equipment.
Charging board
Charging board for the separate charging and maintaining power supply of the maintenance-free batteries (2 × 12 V, per 1.2-15.0 Ah each), which are used as a second energy source in the standby parallel operation.
An automatic switch -over to battery mode occurs in case of a power failure. The emergency power supply for the conveyor system must be provided separately.
The plug-in unit is equipped with optical alarm and failure displays as well as a manual tripping. After tripping the system will be reset through the integrated “Reset button”.
Tripping boards and expansion module AL 3
The tripping device processes the signals transmitted by the sensors (fire identification elements and light barriers) and trips the connected close-off device. The tripping board is located as a plug-in board in the close-off system BR 9304. When using additional conveyance system closures, then an expansion module AL 3 is required for each closure. It mainly consists of the tripping board.
Other components
- Fire identification elements: A variety of fire identification elements where tested by interacting with the control system and they are approved for use (see approval decision)
- Closing area monitoring: If required, the closing area of the conveyance system closure can be monitored using a special light barrier (VdS tested). This ensures that the closures only close if there is no transport product in the closing area
- Tripping button
- Additional “hand before location switch”
- External alarming equipment
- Limit switch “Gate closed”
Power supply close-off system
| Designation | Manual reopening | Motor driven reopening |
|---|---|---|
| Voltage | 230 V AC | 230 V or 400 V AC |
| Frequency | 50 Hz | 50 Hz |
| Phase | L1 | L1/L2/L3 |
| Neutral wire | N | N |
| Protective conductor | PE | PE |
| Protection | 16 A | 16 A bzw. 25 A |
| Protection class | IP 40 | IP 40 |
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