OPERATING INSTRUCTIONS NORDAC Frequency Inverters
OPERATING INSTRUCTIONS NORDAC Frequency Inverters
OPERATING INSTRUCTIONS NORDAC Frequency Inverters
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4.2 Control section<br />
Connection for the control lines - 22-pole control terminal strip on the mains power supply board,<br />
subdivided into three blocks<br />
Maximum connection cross sectional - 1,5 mm 2<br />
area<br />
4.2.1 Control terminal strip Setpoint - shield lines.<br />
(short lines twisted at least)<br />
Reference potential for the setpoints (GND)<br />
Setpoint - 10 V / 0 / + 10 V DC<br />
Setpoint - 10 V / 0 / + 10 V DC<br />
Setpoint 0 (4) ... 20 mA<br />
+ 10 V reference voltage<br />
Reversing<br />
Electronic release<br />
Fault acknowledgement<br />
PTC thermistor/tempearture sensor<br />
PTC thermistor/temperature sensor<br />
Parameter switchover input 1<br />
Parameter switchover input 2<br />
Digital frequency output<br />
Reference potential for the control inputs<br />
(GND)<br />
Tachogenerator + *)<br />
Tachogenerator - *)<br />
max.load rating 240 V ~ / 60 V = ; 0,8 A Multifunction relay<br />
max.load rating 240 V ~ / 60 V = ; 0,8 A <strong>Frequency</strong> signalling relay<br />
max.load rating 240 V ~ / 60 V = ; 0,8 A Fault signalling relay<br />
*) Option<br />
5
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