AC500-XC - S500 I/O modules

We believe expanding or adding field devices should be quite simply. Therefore we develop multifunctional and software configurable I/O modules and provide numerous basic I/O modules with different channels, signal voltage and fieldbus connections.

You can choose and combine your needed type of connection:

  • Central, using local I/O bus of CPU module.
  • Up to ten I/O modules can be connected to the CPU.
  • Decentralized periphery via fieldbus between CPU module and remote I/O modules.
  • For each fieldbus slave, up to ten I/O modules can be connected.
  • Multifunctional approach: some modules cover a broad range of requirements, e.g. AI531 with 8 types of different signals in one module.   
Digital Number of I/Os Features
DI524-XC 32DI 24 V DC
DC522-XC 16DC configurable, Transistor, fast counter
DC523-XC 24DC configurable, Transistor, fast counter
DC532-XC 16DI 16DC 16 configurable, Transistor, fast counter
DX522-XC 8DI 8DO Relay
DO524-XC 32DO Transistor


Analog Number of I/Os Features
AI523-XC 16AI V, mA, Pt100, Pt1000, Ni1000
AX521-XC 4AI 4AO V, mA, Pt100, Pt1000, Ni1000
AX522-XC 8AI 8AO V, mA, Pt100, Pt1000, Ni1000
AO523-XC 16AO
AI531-XC 8AI 8AO V, mA, Pt100, Pt1000, Ni1000, Thermocouple
Special function modules Number of I/Os Features
DA501-XC 16DI 4AI 2AO fast counter, 8 configurable
CD522-XC 2DI 8DC fast counter, PWM and configurable
DC541-XC 8DC fast counter, configurable




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