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20 Technical data
20.9
Voltage supply outputs, power supply unit board
Description
PWR OUT
a
The sum total of the output currents for the two PWR OUT connections must
not exceed the total ampacity.
20.10 Voltage supply outputs, optional board
Description
DC 24 V voltage supply
for
external transmitters
DC ±5 V voltage supply
(e.g. for ISFET pH-sen-
sors)
a
An optional board for voltage supply outputs accommodates all the outputs
listed in this table. A maximum of 1 such optional board can be integrated into a
device.
120
Output voltage
AC 110 to 240 V +10/-15%;
48 to 63 Hz or
AC/DC 20 to 30 V; 48 to 63 Hz
l
Output voltage
DC 24 V +5 / -5 %
a
DC +5 V +10 / 0 %
(between terminals 3 and 4)
DC -5 V ±15 %
(between terminals 5 and 4)
Total ampaci-
Connection
a
ty
4 A
Spring-cage ter-
minals
Ampacity
Connection
42 mA
screw terminals
150 mA
30 mA
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