Emerson SI-Universal User Manual page 99

1x.118
Minimum
Default
Type
Display Format
Coding
P1 Thermistor Type (1x.118) defines the operating mode of the P1 thermistor input.
P1 Thermistor
Type (1x.118)
Three thermistors in series as specified in DIN44082
0: DIN44082
standard
1: KTY84 KTY84 PTC thermistor
2: 0.8 mA Any device
If a device is connected between pin 15 of the encoder interface and 0V, a current source of 0.8 mA
will pass through the device with a maximum voltage of approximately 3.8 V (i.e. maximum
resistance of approximately 4750 Ω). The resistance of the device is calculated and displayed in P1
Thermistor Feedback (1x.119). If P1 Thermistor Type (1x.118) is set to select KTY84, the
temperature is also calculated and written to P1 Thermistor Temperature (1x.122). Note that
DIN44082 mode and 0.8 mA mode operate in exactly the same way.
1x.119
Minimum
Default
Type
Display Format
Coding
See P1 Thermistor Type (1x.118)
1x.120
Minimum
Default
Type
Display Format
Coding
See P1 Thermistor Fault Detection (1x.123)
1x.121
Minimum
Default
Type
Display Format
Coding
See P1 Thermistor Fault Detection (1x.123)
SI-Universal Encoder User Guide
Issue: 2
P1 Thermistor Type
0
0
8 Bit User Save
None
RW, Txt
Compatible devices
P1 Thermistor Feedback
0
16 Bit Volatile
None
RO, ND, NC, PT
P1 Thermistor Trip Threshold
0
3300
16 Bit User Save
None
RW
P1 Thermistor Reset Threshold
0
1800
16 Bit User Save
None
RW
Maximum 2
Units
Update Rate Background read
Decimal Places 0
Maximum 10000
Units Ω
Update Rate Background write
Decimal Places 0
Maximum 10000
Units Ω
Update Rate Background read
Decimal Places 0
Maximum 10000
Units
Ω
Update Rate Background read
Decimal Places 0
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