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5.2. Binary inputs I1 ... I4
Internal optoisolated binary inputs marked as I1...I4 may work only in positive logic. All
binary inputs have same reference - module's electrical ground - negative pole of the
power supply connected to GND pin.
Connection scheme:
Notice!
Supply cables length < 10m.
Signal cables length < 30m.
For longer cables it is recommended to use external
overvoltage protection.
Содержание MT-021
Страница 1: ......
Страница 9: ...6 ...
Страница 11: ...8 3 2 Power supply MT 021 may be powered by 9 30 V DC ...
Страница 18: ...15 ...
Страница 29: ...26 Pt 100 2 wire AN1 only Pt 100 3 wire AN1 only NTC AN2 only Voltage output sensor ...
Страница 70: ...67 7 7 Drawings and dimensions All dimensions in millimeters ...