Terminal Signal Description
2.7 DO15 Signal of the digital output DO15
2.8 UP Process voltage UP (24 VDC)
2.9 ZP Process voltage ZP (0 VDC)
3.0 AI0+ Positive pole of analog input signal 0
3.1 AI1+ Positive pole of analog input signal 1
3.2 AI2+ Positive pole of analog input signal 2
3.3 AI3+ Positive pole of analog input signal 3
3.4 AI- Negative pole of analog input signals 0 to 3
3.5 AO0+ Positive pole of analog output signal 0
3.6 AO1+ Positive pole of analog output signal 1
3.7 AO- Negative pole of analog output signals 0 and 1
3.8 UP Process voltage UP (24 VDC)
3.9 ZP Process voltage ZP (0 VDC)
4.0 DC16 Signal of the configurable digital input/output
DC16
4.1 DC17 Signal of the configurable digital input/output
DC17
4.2 DC18 Signal of the configurable digital input/output
DC18
4.3 DC19 Signal of the configurable digital input/output
DC19
4.4 DC20 Signal of the configurable digital input/output
DC20
4.5 DC21 Signal of the configurable digital input/output
DC21
4.6 DC22 Signal of the configurable digital input/output
DC22
4.7 DC23 Signal of the configurable digital input/output
DC23
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 CPU). Thus, the current consumption from 24 VDC power supply at
the terminals L+/UP and M/ZP of the CPU/bus module increases by 2 mA per DA502.
The external power supply connection is carried out via the UP (+24 VDC) and the ZP (0 VDC)
terminals.
NOTICE!
Risk of damaging the PLC modules!
Overvoltages and short circuits might damage the PLC modules.
– Make sure that all voltage sources (supply and process voltage) are
switched off before you begin with operations at the system.
– Never connect any voltages or signals to reserved terminals (marked with
---). Reserved terminals may carry internal voltages.
I/O Modules > Digital/Analog I/O Modules
2019/04/17 3ADR010121, 13, en_US 605
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