373
23 Technical data
23.7 Binary outputs, optional boards
23.8 Voltage supply outputs, optional board
Optional card Switching out-
put
Ampacity at re-
sistive load
Contact life
a
a
The maximal ampacity of the contacts must not be exceeded.
Special features
Relay output, dual nor-
mally open contacts
2 normally open
contacts
b
b
Combining a mains voltage circuit with a protective low-voltage circuit on the "dual normally open con-
tact" option is not admissible.
3 A at AC 250 V 150,000
switching cycles
-
Relay output, single
changeover contact
1 changeover
contact
-
Solid state relay triac Switching out-
put with triac
(protected by
varistor)
c
c
A varistor protects the triac against excessive voltages such as those that can occur during switching.
1 A at AC 230 V Wear-free -
PhotoMOS®
e
solid state relay
Switching out-
put with
PhotoMOS®
d
d
PhotoMOS®
is a registered trademark of Panasonic.
200 mA at
DC 45 V and/or
AC 30 V
Wear-free not short-circuit-
proof
max. voltage
DC 45 V
AC 30 V
Logic output 0/12 V High/low signal 20 mA
e
e
Current limiting via the logic output of the device
Wear-free
-
Logic output 0/22 V High/low signal 30 mA
e
Wear-free
-
Description Output voltage Ampacity Connection
DC 24 V voltage supply
for external transmit-
ters
a
DC 24 V +5 / -5% 42 mA Screw termi-
nals
±5 V DC voltage supply
(e.g. for ISFET pH-sen-
sors)
+5 V DC +10 / 0 %
(between terminals 3 and 4)
150 mA
-5 V DC ±15%
(between terminals 5 and 4)
30 mA
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.