9
Connecting the AI Signal Cable
4.8
• The SmartModule can receive AI signals from the EMIs over the AI ports.
• It is recommended that the transmission distance be less than or equal to 10 m.
• AI ports 1, 2, 3, and 4 are for AI+ signals, and the GND port is for AI– signals.
Port
Description
AI1
Supports 0
–10 V
input voltage.
AI2
Supports 4
–20 mA or
0
–20 mA input
current.
AI3
AI4
Connecting the PT Signal Cable
4.9
The SmartModule provides two PT ports, which can be used to connect to three-wire or two-wire
PT100/PT1000 temperature sensors.
Three-Wire System
PT100/PT1000 temperature sensor
