MSI MS-9A76, Manual, Page: 87 / 88

A-5
WDT, GPIO, DIO MS-9A76
Digital I/O Connector
The MS-9A76 features an onboard isolated digital I/O circuit and supports the
following features:
■ 4-CH Isolated DI
- Logic high: 5 to 35 V
- Logic low: 0 to 1.5 V
- Isolation type: Digital Isolator
(ISOW7844)
- Isolation voltage: 1500 V DC
■ 4-CH Isolated DO
- Output Type: BJT tran-
sistor
- Sink current up to 100 mA (sustained
loading) or 250 mA (peak loading)
on each isolated output channel
- Supply voltage: 5 to 35 V DC
- Isolation type: Digital Isolator
(ISO7740)
- Isolation voltage: 1500 V DC
■ Isolated 5V DC Power Source for DO
- Supply voltage: 5 ± 0.5V DC
- Supply current: 180 mA (maximum)
- Isolation type: DC-to-DC transformer
- Isolation voltage: 1000 VRMS (channel to system)
- Data transfer: programmed IO
- Software Driver support for Windows 7 32/64 Bit, Windows 8.1 32/64 Bit,
Windows 10 64 Bit
Digital I/O Pin Header