FU-01.1
Single range spark extinguishing system control
The FU-01.1 spark extinguishing control unit controls and monitors single-zone spark extinguishing systems for protecting machines, pipelines, painting and powder coating booths.
The equipment includes two monitored reporting lines: one for the spark detectors, the other for monitoring a flow monitor.
The device also has two monitored outputs for warning and extinguishing as well as unmonitored relay outputs for fault, alarm and production plant off.
The detection of further sparks results in an automatic extension of the extinguishing time by a previously set period of time.
If an overflow occurs, the production system is switched off and an alarm is triggered.
DIP switches enable configuration for a wide range of applications.
In addition to the control elements, there is also an LED status display on the front panel.
A fault or alarm message is issued both if water flows without extinguishing and if extinguishing occurs without water flow.
FU-01.1 – Data and facts
| Operating voltage (standard) adjustable at the factory |
230 VAC
115 VAC |
| Operating current (with “fault” and with buzzer) |
approx. 65 mA
|
| Relay outputs Fault Alarm System off Not “monitored”, means it is not a “primary line” and therefore the line is not checked for “open circuit” and “short circuit” |
3x not monitored Terminals 24 / 26 Terminals 21 / 23 Terminals 27 / 29 each with a potential-free changeover contact |
| Detection lines Short circuit area Alarm area Operating area Interruption area |
L1, L2
0Ω…120Ω 180Ω…900Ω 1,5kΩ…7kΩ > 10kΩ |
| Spark counter (number of sparks, adjustable) |
2/4/6/8/10
|
|
Flow monitor delay time extinguishing activation until water flow, |
0.5…6s |
| Alarm delay detector until extinguishing activation | 4 ms |
|
Battery |
Terminals 4 / 5 max. 2×12 V / 0.8 Ah max. 2×12 V / 10 Ah |
| Undervoltage shutdown | <21V |
| Output Warning Short circuit range Operating range Interruption range Monitoring current |
1x monitored
0…22 Ω 25…1.5 KΩ > 2.5 KΩ 5 mA |
| Time limit (can be activated) | Continuous horn, 210 s |
| Output Extinguishing Short circuit range Operating range Interruption range |
1x monitored 0…22 Ω 25…1.5 KΩ > 2.5 KΩ |
| Extinguishing time (adjustable) | 3…25 s |
| Monitoring current Operating current |
5 mA 1 A |
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