Analog Input/Output Module AX522

• 8 configurable analog inputs, 8 configurable analog outputs
• resolution 12 bits plus sign
• module-wise electrically isolated
• XC version for usage in extreme ambient conditions available

Analog input/output module AX522, plugged on Terminal Unit TU516

Elements of the module
1	I/O-Bus
2	Allocation between terminal No. and signal name
3	8 yellow LEDs to display the signal statuses at the analog inputs (I0 - I7)
4	8 yellow LEDs to display the signal statuses at the analog outputs (O0 - O7)
5	1 green LED to display the status of the process supply voltage UP
6	2 red LEDs to display errors
7	Label
8	I/O Terminal Unit (TU515/TU516) with 40 terminals (screw-type or spring terminals)
9	DIN rail
	Sign for XC version

Figure: Analog input/output module AX522, plugged on Terminal Unit TU516

• Intended Purpose
• Functionality
• Electrical \ Connection
  • Connection of resistance thermometers in 2-wire configuration
  • Connection of resistance thermometers in 3-wire configuration
  • Connection of active-type analog sensors (voltage) with electrically \ isolated power supply
  • Connection of active-type analog sensors (current) with electrically \ isolated power supply
  • Connection of active-type analog sensors (voltage) with no electrically \ isolated power supply
  • Connection of passive-type analog sensors (current)
  • Connection of active-type analog sensors (voltage) to differential \ inputs
  • Use of analog inputs as digital inputs
  • Connection of analog output loads (voltage, current)
• Internal Data Exchange
• I/O Configuration
• Parameterization
• Diagnosis and Display
• Measuring Ranges
  • Input Ranges of Voltage, Current \ and Digital Input
  • Input Ranges Resistance
• Technical Data
  • Technical \ Data of the Analog Inputs
  • Technical Data of the Analog \ Inputs, if they are Used as Digital Inputs
  • Technical Data of the Analog Outputs
• Ordering Data