User manual

DBK Option Cards and Modules 879795 DBK20 and DBK21, pg. 5
DBK20 - Specifications
Name/Function: General Purpose Digital I/O Card
Number of Channels: 48 I/O channels
Connector: Screw terminals
Device: 82C55 x 2
Output Voltage Levels:
Minimum “1" Voltage: 3.0 @ 2.5 mA sourcing
Maximum “0" Voltage: 0.4 @ 2.5 mA sinking
Output Currents:
Maximum Source Current: 2.5 mA
Maximum Sink Current: -2.5 mA
Input Voltage Levels:
Minimum Required “1” Voltage Level: 2.0 V
Maximum Allowed “0” Voltage Level: 0.8 V
Output Float Leakage Current: 10 µA
DBK21 – Specifications
Name/Function: General Purpose Digital I/O Card
Number of Channels: 48 I/O channels
Connector: DB37 male, corresponds to P2 pinout
Device: 82C55 x 2
Output Voltage Levels:
Minimum “1” Voltage: 3.0 @ 2.5 mA sourcing
Maximum “0” Voltage: 0.4 @ 2.5 mA sinking
Output Currents:
Maximum Source Current: 2.5 mA
Maximum Sink Current: -2.5 mA
Input Voltage Levels:
Minimum Required “1” Voltage Level: 2.0 V
Maximum Allowed “0” Voltage Level: 0.8 V
Output Float Leakage Current: 10 µA