Endress+Hauser Prosonic M FMU41, Краткое руководство по эксплуатации

Страница: 17 / 28

Prosonic M FMU41 HART Electrical connection
Hauser 17
‣
A standard device cable suffices if only the analog signal should be used. Use a shielded
cable if working with a superimposed communication signal (HART).
Protective circuits against reverse polarity, RF influences and overvoltage peaks are
integrated in the device.
Operation via handheld terminal or PC with operating program: take minimum
communication resistance of 250 Ω and maximum load into consideration
• Superimposed communication signal (HART): use a shielded cable
• Analog signal: use a standard installation cable
• For other connections: use Commubox FXA291 or Field Xpert
6.4 Supply voltage
6.4.1 Two-wire version, HART
Terminal voltage directly at the device
Standard
• Current consumption 4 mA | terminal voltage 14 to 36 V
• Current consumption 20 mA | terminal voltage 8 to 36 V
Ex ia
• Current consumption 4 mA | terminal voltage 14 to 30 V
• Current consumption 20 mA | terminal voltage 8 to 30 V
Ex d
• Current consumption 4 mA | terminal voltage 14 to 30 V
• Current consumption 20 mA | terminal voltage 11 to 30 V
Fixed current, terminal voltage directly at the device
User-configurable, e.g. for solar powered operation (measured value via HART)
Standard
Current consumption 11 mA | terminal voltage 10 to 36 V
Ex ia
Current consumption 11 mA | terminal voltage 10 to 30 V
Fixed current for Multidrop mode
Standard
Current consumption 4 mA | (start-up current: 11 mA), terminal voltage 14 to 36 V
Ex ia
Current consumption 4 mA | (start-up current: 11 mA), terminal voltage 14 to 30 V