The PEX-P32C32 is equipped with 32 optically-isolated Digital Input channels and 32 optically-isolated Digital Output channels, arranged into four isolated banks. Each input channel uses a photocoupler input that allows either an internal isolated power supply or an external power supply to be connected, and can be selected via a jumper.
Each Digital Output channel includes either a Darlington (PEX-P32C32) or a PNP (PEX-P32A32) transistor and an integrated suppression diode for the inductive load. The input port may use either an external power source or can be powered from the Host PC via a DC/DC converter. The output port should use an external power source. The board helps eliminate ground loop problems and isolates the host computer from potentially damaging voltage spikes.
The PEX-P32C32 also includes an onboard Card ID switch that enables the board to be easily recognized via software if two or more cards are installed in the same computer. The PEX-P32C32 series is designed as an easy replacement for the PISO-P32C32U without requiring any modification to either the software or the driver.
- Support the +5 V PCI bus for PISO-P32C32
- Support the +3.3/+5 V PCI bus for PISO-P32C32U
- Support PCI Express x1 for PEX-P32C32
- 32-channel optically isolated digital input
- 32-channel optically isolated digital output
- Built-in DC/DC converter with 3000 VDC isolation
- Card ID function for PISO-P32C32U(Version 1.1 or above)/PEX-P32C32
- 3750 Vrms photo-isolation protection
- Output status readback for PISO-P32C32U (Version 4.0 or above)/PEX-P32C32
- Factory automation
- Product test
- Laboratory automation
3750 Vrms (Using external power)
Sink or Source, Photo coupler isolated channel with common power or ground
Logic 0: 0 ~ 1 V
Logic 1: 9 ~ 24 V
(Logic 1: Min. 7 V ; Max. 30 V)
3 KΩ, 0.5 W
4 kHz (Typical)
Sink, Open Collector
100 mA/+30 V for each channel @ 100% duty
4 kHz (Typical)
PCI Express x 1
Female DB37 x 1
40-pin box header x 1
Dimensions (L x W)
180 mm x 105 mm x 22 mm
550 mA @ +3.3 V
350 mA @ +12 V
0 ~ 60°C
-20 ~ 70°C
5 ~ 85% RH, non-condensing
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