47
IQAN-MC3 Technical Overview
Appendix A
Instruction book, IQAN-MC3
System
T
A
= -40 to +85 °C (unless otherwise specified)
Weight 1.1 kg
Ambient temperature, T
ROC
-40 to +85 °C
Voltage supply on +BAT, V
BAT
9 to 32 Vdc
Current supply
V
BAT
=14V
V
BAT
=28V
typ. 250 mA
typ. 170 mA
Start up time typ. 1000 ms (with a small application)
System cycle time, T
SC
10 to 100 ms
Application flash memory 1.5 MB
Application RAM memory 1.5 MB
Data log memory typ. 80,000 records
Safety integrity level
System capability
Element complexity
PFH
D
SFF
HFT
Diagnostic test interval
Lifetime
Periodic proof test
up to SIL2
SC2
Type B
2 x 10
-8
99%
0
100 ms @ T
SC
<75 ms
40,000 hours
No
Sensor supply, VREF
Number of VREF 2
Output voltage 5 V ±150 mV, -40 to 85 °C
Output voltage temperature drift 0.25 mV/°C, -40 to 85 °C
Maximum load current 140 mA on each VREF
Protection overload, SCB, SCG
Diagnostics over/under voltage
Under/over voltage threshold ±150 mV from nominal value
Signal input, VIN
Number of VIN 16
VIN full scale 5000 mV ±100 mV
VIN resolution 12 bits = 1.22 mV
Input impedance 36 kohm in parallel with 10 nF
Accuracy
with external sensor supply
with VREF sensor supply
±(0.8 % + 5 mV)
±(0.2 % + 5 mV)
Sample rate same as system cycle time
Maximum continuous voltage 5.5 V
Protection SCB, SCG
Diagnostics ADC scale error <3 %
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