INTERFACE DETAILS VOLTECH AT3600 USER MANUAL
PAGE 8.2.10. VPN 98 - 024 INTERFACE DETAILS
USER INPUTS (PINS 4 AND 9)
The User Inputs have the following equivalent circuit:
Specification:
Maximum input voltage: +5V
Minimum input voltage: 0V
Minimum logic 1 input: 4V
Maximum logic 0 input: 0.25V
The zero reference voltage for these inputs is the 0V(ground) 4mm socket
situated to the left of the User Port.