Endress+Hauser promag 30, Operating Manual

Page: 29 / 72

4.4 Wiring diagrams
Electrical connection: supply, inputs and outputs
Earth terminal (ground wire)
L1 }
for AC
L+ }
for DC supply
N L-
Pulse/frequency output
(passive)
Status output (passive)
Auxiliary input
Current output (active)
Earth terminal (screen of signal cable)
f
max
= 400 Hz
max. 30 V/250 mA
max. 30 V/250 mA
⇒
System/process fault indication
⇒
Flow direction
3...30 V DC, R
i
= 1.8 k
Ω
•
Measured value suppression
•
External reset for totaliser
0/4...20 mA
R
L
< 700
Ω
Fuse
Supply cable
Earth terminal for
ground wire
Earth terminal for
cable screen
Signal cable
ba00
8y
3
0
Fig. 33
Promag 30 4. Electrical Connection
Hauser 29