maxPAC Hardware Reference Guide
Metso Automation MAX Controls Inc. • 277596 •
2-6
CPU Stack Error (power-on) 0x23
CPU Error (power-on) 0x24
Checksum Error (power-on) 0x25
Interrupt Error (power-on) 0x26
FPGA Download Error (power-on) 0x32
Module specifications
Resolution 15 bits plus sign
Scan Rate 100 msec.
Temperature Sensitivity ±0.004% of reading/
o
C ±1.5uv/
o
C RTI
Accuracy ±0.1% of reading at 25
o
C
Source Impedance Effect 10 MOhm operational, 20K Ohms on loss of
power
Conversion method Sigma Delta oversampling. Single A/D per channel
Span 4 to 20 mA, 0-2.4V
Calibration Self-calibration on power up. Periodically on line
to compensate for temperature effects
Input Impedance - 4-20 mA input
- voltage input
300 Ohms
1 Mohm
Normal Mode Voltage 50 Volts
Normal Mode Rejection 60db @ 50/60 Hz
Common Mode Voltage 500 Volts ac or peak ac
Common Mode Rejection 120db @ 50/60 Hz, 100 Ohm imbalance
Isolation 1500 Vac (field to logic)
500 Vac (channel to channel)
Input Power
(from 24V system supply)
400 mA
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