Terminal Signal Description
2.0 A0 Input signal A of encoder 0
2.1 B0 Input signal B of encoder 0
2.2 Z0 Input signal Z of encoder 0
2.3 I3 Input signal I3 (standard input)
2.4...2.7 C4...C7 Signal of the configurable digital input/output C4...C7
2.8 UP Process voltage UP (24 VDC)
2.9 ZP Process voltage ZP (0 VDC)
3.0 /A1 Inverted input signal A of encoder 1
3.1 /B1 Inverted input signal B of encoder 1
3.2 /Z1 Inverted input signal Z of encoder 1
3.3 5V1 +5 VDC power supply output 1 for sensors
3.4...3.7 0V 0 V reference input
3.8 UP Process voltage UP (24 VDC)
3.9 ZP Process voltage ZP (0 VDC)
4.0 A1 Input signal A of encoder 1
4.1 B1 Input signal B of encoder 1
4.2 Z1 Input signal Z of encoder 1
4.3 I11 Input signal I11 (standard input)
4.4...4.7 C12...C15 Signal of the configurable digital input/output C12...C15
4.8 UP Process voltage UP (24 VDC)
4.9 ZP Process voltage ZP (0 VDC)
The internal power supply voltage for the module's circuitry is carried out via the I/O bus (pro-
vided by a bus module or a processor module). Thus, the current consumption from 24 VDC
power supply at the terminals L+/UP and M/ZP of the processor/bus module increases by 2 mA
per CD522.
The external power supply connection is carried out via the UP (+24 VDC) and the ZP (0 VDC)
terminals.
WARNING!
Removal/Insertion under power
The devices are not designed for removal or insertion under power. Because of
unforeseeable consequences, it is not allowed to plug or unplug devices with
the power being ON.
Make sure that all voltage sources (supply and process voltage) are switched
off before you
– connect or disconnect any signal or terminal block
– remove, mount or replace a module.
Disconnecting any powered devices while energized in a hazardous location
could result in an electric arc, which could create a flammable ignition resulting
in fire or explosion.
Make sure that power is removed and that the area has been thoroughly
checked to ensure that flammable materials are not present prior to proceeding.
The devices must not be opened when in operation. The same applies to the
network interfaces.
2019/04/17 3ADR010121, 13, en_US 655
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