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Input/ Output 5-5MN1942

5.2.2 Generalpurpose digital input DIN0
Location Connector X3, pins 7 & 17
(Matingconnec tor: Weidmüller Minimate B2L 3.5/20)
Name DIN0
Description General purpose opto-isolated digital input.
Nominalinput v oltage: +24VDC
(inputc urrent not to exceed 50mA)
Samplinginterv al: 1ms
Thisgeneral purpos e digital input is buffered by a TLP280 opto-isolator, allowing the input signal
to be connected with either polarity. The state of the digital input is displayed in the Mint
WorkBench Spy window. The input can be can be configured for different user definable
functions.
DIN0+
3k3
TLP280
DGND
Mint
10k
Vcc
MicroFlexe100
DIN0- 100R 74LVC14
4n7 4n7
17
7
Figure26 - General purpose digital input circuit
Whenthe Mic roFlex e100 is connected to Mint WorkBench, the digital input can be configured
using the Digital I/O tool. Alternatively, Mint keywords including RESETINPUT,ERRORINPUT
and STOPINPUT can be used in the command window. The state of the digital input can be
viewed using the Mint WorkBench Spy window’s Axis tab. See the Mint help file for details.
717