92 Process Image WAGO-I/O-SYSTEM 750750-464 2/4 AI RTD configurableManualVersion 1.0.17.4.9 Resistance Measurement 10 Ohm to 1.2 kOhmWith the setting "Resistance measurement 10 Ohm to 1.2 kOhm" and activatedSiemens format, the I/O module outputs the resistance measured values of thesensors directly.The resistances values are displayed at a resolution of 1 digit per 0.5 Ω.The status information is depicted in bit 0 to bit 2 and the digitalized measuredvalue in bit 3 to bit 15.Table 78: Process image for 750-464, setting 10 Ω ... 1.2 kΩResistanceΩNumeric value 1) with status information 4) Statusbytehex.LEDerrorAI 1, 2Binary XFÜ Hex. Dec.< 9 '0000.0000.1010.0 011' 0x00A3 163 0x51 onShort circuit 2)< 10 '0000.0000.1010.0 001' 0x00A1 161 0x41 onUnderrange 3)10 '0000.0000.1010.0 000' 0x00A0 160 0x00 off100 '0000.0110.0100.0 000' 0x0640 1600 0x00 off200 '0000.1100.1000.0 000' 0x0C80 3200 0x00 off300 '0001.0010.1100.0 000' 0x12C0 4800 0x00 off400 '0000.1111.1010.0 000' 0x1900 6400 0x00 off500 '0001.1111.0100.0 000' 0x1F40 8000 0x00 off750 '0010.1110.1110.0 000' 0x2EE0 12000 0x00 off1000 '0011.1110.1000.0 000' 0x3E80 16000 0x00 off1200 '0100.1011.0000.0 000' 0x4B00 19200 0x00 off> 1200 '0100.1011.0000.0 001' 0x4B01 19201 0x42 onOverrange 3)> 5500 '0100.1011.0000.0 011' 0x4B03 19203 0x62 onWire break 2)1) Temperature values below 0 °C are represented in two's complement binary.2) When short circuit and wire break monitoring is ON (see section "Behavior in the Event of anError")3) When underrange / overrange limit is ON (see section "Behavior in the Event of an Error")4) Status information: X: Not used, F: Short circuit, wire break, Ü: Overrange
