Siemens S5-135U/155U - Manual (Page 421)

9-39
System Manual
C79000-G8576-C199-06
9.4.3 Special Features of the 463 Analog Input Module
The 463 analog input module executes integrating processing of the digital
input signals; periodic system interference is thus suppressed.
The measuring range for each channel is adapted by appropriately connecting
the sensors and with jumpers in the front connector of the module (see the
front connector assignments).
Note
The ohmic resistance of the jumper with which the measuring range is set is
also measured. As the resistance of this jumper is not inconsiderable (0.5 to
0.7 ohms in relation to the measuring shunt of 50 ohms) when I/O module
cables with integral connectors and subsequent wiring blocks are used, the
measurement result may be corrupted accordingly.
9.4.4 Setting the Module Address
You set the module address on the addressing switch. This also establishes
the necessary assignments between user program and process connection.
The module address is the sum of the decimal significances of the switch
rockers in the On setting (
Ĥ).
One data word = two data bytes is required to process an input or an output.
A module with 4 inputs therefore reserves 8 byte addresses.
You can affix the adhesive label with the desired module address on a free
labeling field under the addressing switch.
The switch rockers to be set for the module address specified as a decimal
number (address bit ADB) are marked by dots on the label. The unmarked
switches should be switched off.
Adaptation of the
Measuring Range
Labeling Field
Analog Input/Output Modules