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Chapter 2: Installation
Digital Outputs
Note: If an inductive load, e.g. a relay coil, is connected to a digital output the coil
must be shunted by a diode, such as a 1N4003 or similar. The diode should be
wired as close as possible to the coil.
DO1 to DO6 are open-emitter current source transistor outputs. The maximum
current is limited to a maximum of 250 mA per output, total maximum load
500mA. The outputs are short circuit protected.
Figure 21
493-0736-11 (6-2)
+24V
signal ground
DO1 to DO6 Internal Supply.
2.4 Electrical Installation
DO1
d4
DO2 d6
DO3 d8
DO4 d10
DO5 d12
DO6 d14
d24
d16
d2
z2
37
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