Operating mode 1st channel Bit 1 Bit 0
Current measurement 1 0
Temperature measurement (Pt100) 1 1
Operating mode 2nd channel Bit 3 Bit 2
No operating mode 0 0
Voltage measurement 0 1
Current measurement 1 0
Temperature measurement (Pt100) 1 1
Assigning parameters to the analog outputs
The analog outputs (AO) can be operated in the following operating modes:
Operating mode 3rd channel Bit 5 Bit 4
No operating mode 0 0
Voltage output 0 1
Current output 1 0
Impermissible operating mode 1 1
Operating mode 4th channel Bit 7 Bit 6
No operating mode 0 0
Voltage output 0 1
Current output 1 0
Impermissible operating mode 1 1
Checkback signal of the operating modes
The set operating modes are saved in the input image in Status Byte 0. This value must be
compared with Control Byte 0 in the output image. If these are different, an error has occurred,
e. g. in the case of overvoltage in the "Temperature measurement" operating mode, see
Diagnostics via input image (Page 205).
Connectable components
7.7 PP 72/48D 2/2A PN
PPU
208 Manual, 01/2014, 6FC5397-2DP40-3BA3
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