Automation Direct P2-08THM Manuel - Sayfa 2
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Sayfayı YazdırT/C Input Specifications
Input Channels
8 Differential
Data Format
Floating Point
Common Mode Range
±1.25 V
Common Mode Rejection
100dB @ DC and 130dB @ 60Hz
Input Impedance
>5MΩ
Maximum Ratings
Fault protected inputs to ±50V
Resolution
16-bit, ±0.1°C or °F
Type J -190° to 760°C (-310° to 1400°F);
Type E -210° to 1000°C (-346° to 1832°F);
Type K -150° to 1372°C (-238° to 2502°F);
Type R 65° to 1768°C (149° to 3214°F);
Thermocouple Input Ranges
Type S 65° to 1768°C (149° to 3214°F);
Type T -230° to 400°C (-382° to 752°F);
Type B 529° to 1820°C (984° to 3308°F);
Type N -70° to 1300°C (-94° to 2372°F);
Type C 65° to 2320°C (149° to 4208°F);
Cold Junction Compensation
Automatic
Thermocouple Linearization
Automatic
Accuracy vs. Temperature
±50ppm per °C (maximum)
±1°C maximum (±0.5°C typical)
Linearity Error
Monotonic with no missing codes
±3°C maximum (excluding thermocouple error)
Maximum Inaccuracy
(including temperature drift)
30 minutes for ±1% repeatability
Warm-up Time
2 minutes to reach voltage specifications
Sample Duration Time
270ms
All Channel Update Rate
2.16 s
Open Circuit Detection Time
Within 2s
Conversion Method
Sigma-Delta
External DC Power Required
None
2
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Voltage Input Specifications
0-39.0625 mVDC,
+/-39.0625 mVDC,
+/-78.125 mVDC,
Linear mV Device Input Ranges
0-156.25 mVDC,
+/-156.25 mVDC,
0-1250 mVDC
Max Voltage Input Offset Error
0.05% @ 0°- 60°C, typical 0.04% @ 25°C
Max Voltage Input Gain Error
0.06% @ 25°C
Max Voltage Input Linearity Error 0.05% @ 0°- 60°C, typical 0.03% @ 25°C
Max Voltage Input Impedance
0.2% @ 0° - 60°C, typical 0.06% @ 25°C
Configuration/Diagnostics
Burn-out Detection: High Side/Disable
°C/°F (T/C Only)
Module Diagnostics Failure
Burn-out (on if T/C input is open – no connection
between TCn+ and TCn-)
Channel Under-range (T/C only)
Channel Over-range (T/C only)
Tech Support 770-844-4200
1 bit per module
1 bit per module
1 bit per module
1 bit per channel
1 bit per channel
1 bit per channel