DETAILED DESCRIPTION

SPECIAL 1056G

Special 1056G is part of a wind security system for cranes (Special 1057 is a complete wind security system).
The amplifier is designed to be connected to an anemometer with an npn open collector output (e.g. PV01-2-20M1055). The system has 2 wind speed levels.
A warning level activated by wind speeds between 50 and 70 km/h and an alarm level activated by wind speeds above 70km/h. At warning level the siren (optional) and the yellow signal are intermittently activated. At alarm level the siren and the red signal are continuously activated.
 The system has 2 alarm reset modes and 2 siren modes. The modes are selected on the amplifier, by the "Alarm Reset" and the "Siren mode" jumper, respectively.

• Anemometer input : 10 Hz per m/s
• Measuring range : 0 - 500 Hz
• 1 Alarm level : 50-70 km/h
• 2 Alarm level : > 70 km/h
• Power supply :  48 - 115 - 230 - 400 VAC
• Output for anemometer power supply : 12 VDC
• Autotest : on startup
• Alarm reset : Automatic or manual