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PLATINUM Series Controllers User's Guide
9. Specifications
9.1 Inputs
Input Types
Current Input
Voltage Input
Thermocouple Input
(ITS 90)
RTD Input (ITS 90)
Strain & Bridge Input
Excitation
Configuration
Polarity
Accuracy
Resolution
Input Impedances
Temperature
Stability
A/D Conversion
Reading Rate
Digital Filter
CMRR
Setpoint Adjustment
Warm Up to Rated
Accuracy
9.2 Control
Action
Reverse (heat), direct (cool), or heat / cool
Autotune
Operator initiated from front panel
Adaptive Tune
User selectable; fuzzy logic continuous PID tuning optimization
Control Modes
On/off or the following time/amplitude Proportional Control Modes:
selectable Manual or Auto PID, Proportional, Proportional with Integral,
Proportional with Derivative
Cycle Time
0.1–199 seconds
Thermocouple, RTD, Thermistor, Analog Voltage, Analog Current, Strain
4 to 20 mA, 0 to 24 mA Scalable
±50 mV, ±100 mV, ±1 V, ±10 Vdc Single Ended Scalable
±50 and ±100 mV differential and ratiometric inputs, scalable
K, J, T, E, R, S, B, C, N
100/500/1000 Ω Pt sensor, 2-, 3- or 4-wire; 0.00385 (100 Ω only), 0.00392
(100 Ω only), or 0.003916 (100 Ω only) curves
±50 mV, ±100 mV
Firmware selectable (no jumpers to set) to 5, 10, 12, and 24 Vdc @ 25 mA
(24V for AC units only)
Differential
Bipolar
Refer to Table 8
0.1°F/°C temperature; 10 µV process
Process Voltage/Strain: 10 MΩ for +/- 100 mV
Process Voltage: 1 MΩ for other voltage ranges
Process Current: 5 Ω
Thermocouple: 10 KΩ max
RTD: 0.04°C/°C
TC at 25°C (77°F): 0.05°C/°C (cold junction compensation)
Process/Strain: 50 ppm/°C
24 bit Sigma Delta
20 samples per second
Programmable from 0.05 seconds (filter = 1) to 6.4 seconds (filter = 128)
120 dB
4 Digit (-9999 to +9999 counts); 6 Digit (-99999 to +999999)
30 min
66
Specifications
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