4 Special Functions
3-90 SmartAXIS Touch User's Manual
● Analog I/O Allocation
The analog inputs or analog outputs expanded by using an analog cartridge are allocated as follows.
Allocation example
Example 1: When an analog input cartridge is attached to analog cartridge port 1 and an analog output cartridge is
attached to analog cartridge port 2
Example 2: When an analog input cartridge is only attached to analog cartridge port 2
Touch
Analog cartridge
Port 1 Port 2
Channel – – CH0 CH1 CH0 CH1
Analog number (AI/AQ) 0 1 2 3 4 5
Touch
Analog cartridge
Port 1 Port 2
Channel – – CH0 CH1 CH0 CH1
Analog input AI0 AI1 AI2 AI3 – –
Analog output AQ0 AQ1 – – AQ4 AQ5
Touch
Analog cartridge
Port 1 Port 2
Channel – – CH0 CH1 CH0 CH1
Analog input AI0 AI1 – – AI4 AI5
Analog output AQ0 AQ1 – – – –
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