Items Unique To The Simatic 505-2556 Module; Open Thermocouple Bits - Siemens SIMATIC 505 Installation And Operation Manual

3.10 Items Unique to the SIMATIC 505–2556 Module
Items unique to the SIMATIC 505–2556 Thermocouple Input Module.
Open Thermocouple Status Bits: WX55
Figure 3-18 Open Thermocouple Bits
The bits returned in WX 55 indicate if there is an open thermocouple.
Front Panel Temperature: WX56
The measured temperature value of the front connector is reported in
WX 56. The value is returned in tenths of degrees C.
Example
The front panel temperature is 25_C. The value returned in WX 56 is 250.
(Temperature X10).
SIMATIC 505–2556 Installation and Operation Guide Advanced Function Programming 3-31