Hydrotechnik MultiControl 4070, Руководство по эксплуатации, Страница: 15 / 39

Firmware Version 1.2 MultiControl 4070
15
Description of the measuring instru-
ENG
Digital signal input
The digital signal input is connected to the pins (3 and 4) of the digital
input/output (trigger).
The digital signal input is isolated.
Digital signal output
The digital signal output is connected to the jacks (pins 1 and 2) of the digital
input/output (trigger).
Note
Instrument damage due to connection of inductive loads
If an inductive load, e.g. the coil of a magnetic valve, is connected to the digital signal
input, the measuring instrument may be damaged.
• Never connect an inductive load to the digital signal input.
Pin Function Limitation Protection type
3 Signal
a)
a)
1 mA constant current
30 V (DC) VDR Transile diode
4 Ground
Table: Pin assignment for digital signal input
Pin Function Limitation Protection type
1 Ground
2 Signal Ub/10 mA VDR Transile diode
Table: Pin assignment for digital signal output