WAGO-I/O-SYSTEM 750 Process Image 99750-464 2/4 AI RTD configurableManualVersion 1.0.17.6.2 NTC 20 kOhmWith the setting "NTC 20 kOhm" and activated Siemens format, the I/O moduleconverts the resistance measured values of NTC20 kOhm resistance sensors andoutputs them as temperature values.The temperature values are displayed at a resolution of 1 digit per 0.5 °C.The status information is depicted in bit 0 to bit 2 and the digitalized measuredvalue in bit 3 to bit 15.Table 84: Process image for 750-464/020-000, NTC 20 kOhm settingTemperature°CResistancekΩNumeric value 1) with status information 4) Status-byteHex.LEDerrorAI 1, 2Binary XFÜ Hex. Dec.< -50.0 > 2288.96 '1111.1100.1110.0 001' 0xFCE1 -799 0x41 onUnderrange 3)-50.0 2288.96 '1111.1100.1110.0 000' 0xFCE0 -800 0x00 off0.0 70.20 '0000.0000.0000.0 000' 0x0000 0 0x00 off25.0 20.00 '0000.0001.1001.0 000' 0x0190 400 0x00 off50.0 6.72 '0000.0011.0010.0 000' 0x0320 800 0x00 off100.0 1.18 '0000.0110.0100.0 000' 0x0640 1600 0x00 off150.0 0.305 '0000.1001.0110.0 000' 0x0960 2400 0x00 off> 150.0 < 0.305 '0000.1001.0110.0 001' 0x0961 2401 0x42 onOverrange 3)--- <0.009 '0000.1001.0110.0 011' 0x0963 2403 0x52 onShort circuit2)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
