PRO AIR TPK 21, Функциональное описание и инструкция по эксплуатации

Страница: 124 / 127

RS 485 Interface
119
15.5.2. PIN-Belegung Stecker
121
Folgende PIN - Belegung gilt für die Anschlussstecker
Analog Interface 4….20 MA / 0…10 V
Pin Colour Alarm Remarks
1 BN - brown 24 V Operating voltage conn24 V DC
2 WH - white RS_A Signal line A
3 BU - blue GND Power supply earth
4 BK - black RS_B Signal line B
5 GN/YE green/yellow GNB Signal earth
The RS 485 interface is not electrically isolated from the supply earth!
To supply power to the device, a mains adapter can be connected to Pin 1 (+) and Pin 2 (-)
Pin Colour Alarm Remarks
1 BN - brown 24 V Operating voltage conn24 V DC
2 WH - white RS_A Voltage output 0…10 V
3 BU - blue GND Power supply earth
4 BK - black RS_B Current output 4…20 mA
5 GN/YE green/yellow GNB Signal earth
The analogue interface is not electrically isolated from the supply earth!
The current output is active, i.e. it delivers the signal current to earth and requires no
external supply
The voltage output is also active, i.e. it delivers the signal voltage to earth.
To supply power to the device, a mains adapter can be connected to Pin 1 (+) and Pin 3 (-)