PiXtend eIO Hardware Manual
Property
Value
Comment
Type of inputs
digital input, ohmic
for DC voltage
Type 1 according to IEC
61131-2
positive switching
1-wire connection technology with GND reference
Throughput time HL
(Hyper Logic)
< 1 ms
typ.: 750
μs
Counting frequency CNT
(Counter)
max. 400 Hz
max. frequency can only be
reached when actuated by
push-pull outputs
Nominal voltage
24 V
Voltage for high level
min. 10 V
logical "1", HIGH level
Voltage for low level
max. 5 V
logical "0", LOW level
Hysteresis
min. 0.1 V
Input current at rated voltage 4.2 mA
Maximum voltage
30 V
input current: 5.6 mA
Reverse polarity protection
yes
max. -30 V
Isolation
no
Status display
LED (orange)
Description ”DI0“..“DI7“
Permitted cable length
< 30 m
unshielded cables
Table 18: Technical data – digital inputs – “24V area”
Warning!
Voltages greater than 30 V DC can lead to overheating and the defect
of components.
The inputs are designed exclusively for direct voltages (DC). Alternating
voltages (AC) must not be connected.
The light emitting diodes signal the high state (logic "1") of the input at rated voltage. In the
transition ranges between guaranteed low and high levels, the LED is not meaningful.
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