OP4200 User Manual OPAL-RT Technologies 27
OP4250-1 32 DIGITAL INPUTS
OP4250-1 32 DIGITAL INPUTS
The OP4250-1 features 32 optically isolated input channels. All are sampled simultaneously for
additional simulation accuracy. It is perfectly suited to interface real life environment signals to TTL or
differential levels for RT-LAB simulator, providing perfect electrical isolation and discharge protection.
FEATURES
• 32 optically isolated input channels.
• All inputs are sampled simultaneously, at up to 10 MSPS.
• Inputs are read in parallel for any size bus simulation.
• Hardware configurable filters, and conditioning inputs for customization.
• Choice of sink or source inputs connection (anode and cathode side available).
• Minimum current input of 3.6 mA.
• 5V to 30V input voltage range.
• 30V maximum reverse protection.
INTERFACES
Inputs
The optically isolated inputs accept a wide input voltage range, from 5 to 30 Volts, according to user
requirements. They have a low threshold current; typically 3.6 mA.
Each input has a reverse voltage protection of up to 30 Volts provided by a Schottky diode.
R
+5VDC
User
Vuser
(5 to 30V)
Vuser_RTN
Digital Input Isolated
OPTIONAL
FILTER
MODE SELECTION WITH ON-BOARD ZERO-OHM RESISTORS
to_FPGA
Din
1
1
2
2
OPTION 1: COMMON ANODE
OPTION 2: COMMON CATHODE
Figure 18: OP4250-1 isolated digital input drawing
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