MSI MS-9A66, User Manual, Page: 107 / 108

A-5
WDT, GPIO, DIO MS-9A66
Digital I/O Connector
The MS-9A66 features an onboard isolated digital I/O circuit and
supports the
following features:
■ 4-CH Isolated DI
- Logic high: 5 to 24 V
- Logic low: 0 to 1.5 V
- Input resistance: 8.2K @ 0.75W
- Isolation type: photocoupler
- Isolation voltage: 1500 V DC
■ 4-CH Isolated DO
- Output Type: MOSFET transistor
- 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
- Isolation voltage: 1500 V DC
- Flywheel diode for VDD on all DO
channels
■ 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 XP 32/64 Bit, Windows 7 32/64 Bit,
Windows 8.1 32/64 Bit, Windows 10 64 Bit
Digital I/O Pin Header
D_GPI0
D_GPO3
D_GPI2 D_GPO2
IVDD
D_GPI1 D_GPO1
JGPIO1
TB_2P
1
2
3
4
5
6 12
11
10
9
7
8
C397
C0.1u50X
F5
0.14A/0.28A/60V
1
2
IVDD
5V to 35V 100mA
+VDD
EOGND GND_ISOGP
D_GPI3
D_GPO0