Endress+Hauser promag 30 Ex-Dokumentation Zu Den Betriebsanleitungen Seite 18

en
Warning!
Power supply cable
L1
1 +
2
-
N
20
+
21 -
22 +
23 -
24 +
28
25
-
26 +
27 -
Output circuit
cable
6
General warnings
• Mounting, electrical installation, commissioning and maintenance are to be carried
out by qualified personnel only who are also trained in explosion protection.
• All national regulations concerning the installation of instruments in explosion
hazardous areas must be observed.
• For rotating the display, it is only permitted to open the housing screw cover
after power has been removed.
Electrical data
Power supply and current output circuit
PROMAG 30 with pulse/current/status output, auxiliary input
(Promag 30****-**********B/C)
3
Ground connection (protective earth)
1 L1
for AC power supply
N
2
Voltage:
Power consumption:
20 Pulse output
21
22 Status output
23
3
24 Auxiliary input
25
26 Current output
27
28 Ground connection (signal cable shield)
(depending on instrument configuration)
L+
for DC power supplye
L–
AC 85...260 V
AC 20...55 V
DC 16...62 V
15 VA / 15 W
passive
f = 400 Hz, max. 30 V DC, 250 mA
max
passive
30 V DC, 250 mA
(e.g. system error indication or flow direction)
3...30 V DC
R = 1.8 kΩ
i
(e.g. positive zero return or reset totalizer)
active:
0/4...20 mA
< 700 Ω
R
L
Promag 30
Endress+Hauser