From RSI - Robotic Systems Integration - SynqNet Systems
Connecting to the Controller I/O
System E-Stop Input and Digital Inputs 3-5
To Pull-up Logic
The E-Stop Input and Digital Inputs 3-5 (DIN) have the same pull-up logic. There are 3 Controller I/O digital inputs. The eZMP-SynqNet has dedicated I/O.
T126-0001:

To Pull-down Logic
Connect E-Stop input to pull-down logic.
T126-0001:

System Digital Outputs 0-2
The eZMP-SynqNet uses opto-isolated Controller I/O.
Pull-up Output Logic
T126-0001:
There are 3 Controller I/O digital outputs. The eZMP-SynqNet has dedicated I/O.

Pull-down Output Logic
T126-0001:

Information taken from Danaher Motion.