Installation manual

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4-10 Input / Output MN1933
4.4.2 Digital inputs - X1
Location Breakout module, connector X1
Pin Name Mint keyword / description Common
1 Shield Shield connection
2 DIN12 INX(12)
3 DIN13 INX(13)
4 DIN14 INX(14)
5 DIN15 INX(15)
C
o
m
m
o
n
2
6 DIN16 INX(16)
C
ommon
2
7 DIN17 INX(17)
8 DIN18 INX(18)
9 DIN19 INX(19)
10 Shield Shield connection
11 - (NC)
12 Common2 Common connection
Digital inputs DIN12 to DIN19 have a common specification:
H General purpose opto-isolated digital inputs.
H Sampling frequency 1 kHz.
The inputs are conditioned using low pass RC filters and Schmitt trigger buffers. If an input is
configured as edge triggered, the triggering pulse must have a duration of at least 1ms (one
software scan) to guarantee acceptance by Mint. V oltages below 2 V are considered as 0 V.
The use of shielded cable for inputs is recommended.
Active high: The digital inputs will be active when a voltage of +24 VDC (±20%) is applied to
them and will sink a maximum of 8 mA each.
Active low: The digital inputs will be active when grounded (< 2 V) and will source a
maximum of 8 mA each.
Note: Sustained input voltages above 30 V will damage the inputs.
1
12