223553 / 9160625310
2018-05-24·BA00·III·en·04
Function and Device Design
7
Transmitter power supply
N-132...IL
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4
Function and Device Design
4.1
Function
The transmitter power supply is used for intrinsically safe operation of 2-wire sensors.
The 2-wire sensors are supplied with auxiliary power by the transmitter power supply.
The device transmits a superimposed HART communication signal bidirectionally.
4.2
Device Design
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
described in these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.
#
Device component
Description
19680E00
1
Black/green
terminals
Connection terminals for the safe area
2
"PWR" LED, green
Auxiliary power indication
3
"LF1" LED, red
Indication of line fault detection for channel 1
4
"LF2" LED, red
Indication of line fault detection for channel 2
5
DIP switch "LF1"
Activation of line fault detection for channel 1
7
DIP switch "LF2"
Activation of line fault detection for channel 2
9
Blue terminals
Connection terminals for the hazardous area
(intrinsically safe Ex i)
N-132/2/4-20-IL
N00023
2
3
5
7
4
1
9
