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The 3701 PC/104 digital I/O interface module is designed around an ASIC emulating two 8255 chips, each providing 24 I/O lines. The board has a DIP switch for flexible I/O addressing, IRQ jumpers for interrupts and two sets of connectors for each port. A standard 50-pin solid state relay I/O module connector is provided.
Includes 3701 PC/104 board, ribbon cables, and mounting plate with removable screw terminals for installation in a Relio enclosure.
| Host Interface | PC/104 |
|---|---|
| # of Ports | 48 |
| Brand/Family | Portholes |
| Digital I/O | TTL I/O |
| Integration | No |
| Number of Inputs/Outputs | 48 (TTL) |
| Power Requirement | +5V @ 794mA |
| Output Specification | Sink up to 24mA Source up to 15mA |
| Board Connector | (2) 50-Pin Headers |
| Plate Connectors | Screw Terminals |
| Operating Temperature | 0 - +70C |
| Extended Temperature | Call for Options |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
• 48 channels of buffered TTL I/O
• Each 8-bit port individually configurable as input or output
• 8255 mode 0 compatible
• 10K pull up resistors on each bit
• +5V power and ground provided on connector
• Right-angle connectors available for OEM opportunities, two industry standard 50-pin solid-state relay rack vertical header connectors standard
• Includes mounting plate with screw terminals and ribbon cables for installation in Relio enclosure
• Each 8-bit port individually configurable as input or output
• 8255 mode 0 compatible
• 10K pull up resistors on each bit
• +5V power and ground provided on connector
• Right-angle connectors available for OEM opportunities, two industry standard 50-pin solid-state relay rack vertical header connectors standard
• Includes mounting plate with screw terminals and ribbon cables for installation in Relio enclosure
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