Fig. 8-5: Connection Principle - Addi-Data ADDIALOG PA 358 Technical Description

Technical description Chapter 8 PA 358

Fig. 8-5: Connection principle

Setting the base address
The board used is a PA 358-4C with 4 current outputs. This board occupies 8
addresses in the I/O space. Choose an I/O address with 8 free addresses in the PC.
Selection: address 0300Hex
Supervision per watchdog is necessary. The critical time for the process is in
seconds. A time of 5s is selected through J23.
The watchdog is enabled through J24.
Reset: after the watchdog time has run down or after Power-On Reset,
the current loops are to be set at 4 mA (Unipolar zero).
Channels 0 to 3 are to be operated in 4-20 mA mode.
Thus the following jumper adjustments:
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