User Manual

Medio L40 - User's Guide
44/56 Revision 2.3 July 2013
6.3 GPIO Connector
Connector reference mounted on board is: Phoenix Contact (Manufacturer P/N: 1881503)
It does mate with this female connector: Phoenix Contact (Manufacturer P/N: 1881383)
6.3.1 Pin Assignment
Figure 22: GPIO Connector (8-pin)
Table 8: GPIO Connector - Pin Assignment
Pin Description Pin Description
1 RFU (TAGSYS Internal use only) 5 IO #1
2 RFU (TAGSYS Internal use only) 6 GND
3 RFU (TAGSYS Internal use only) 7 IO #2
4 RFU (TAGSYS Internal use only) 8 GND
6.3.2 Electrical Characteristics
Table 9: GPIO Pins - Electrical Characteristics
Parameters Min. Typ. Max. Unit
Input Voltage Range 0 -- 28 V
Input Voltage (Low Level) 0 -- 0.9 V
Input Voltage (High Level) 1.5 -- 28 V
Output Voltage Range 0 -- 28 V
Maximum Continuous Output Current -- -- 1.4 A
Output Over Current Protection 1.9 2.8 3.8 A
6.3.3 Using Inputs
Reader inputs can be driven by a voltage source from 0V up to 28V referring to the ground.
Voltages under 0.9V are considered as “logical low state”, voltages above 1.5V are considered as
Pin 1
Pin 8