Intra Automation digiflow 515, Installation And Operating Manual

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Gas- and Steam Flowcomputer DigiFlow 515 Operating Manual
39
13 Block Diagram
2
2
0...20mA or
digital
input
buzzer
RAM
EEPROM
ROM
CPU
VOLTAGE SUPERVISOR
REAL TIME CLOCK (nonvolatile)
4...20mA
OUTPUTS
int. max. 75mA
INPUTS
max. 30VDC
OUTPUTS
max. 30VDC/50mA
max. 250VAC/5A
AMUX
ADC 13bit
0...20mA or
INPUTS
4...20mA and
Pt100
2
2
2
2
230 or 115 VAC
50 or 60Hz
WATCH DOG
LINE
2
2
2
2
2
2
2
2
2
display and keyboard
continual self calibration and temperature
compensation of input circuit and ADC
2
2
+/-15V
15V
5V
3
INTRA communication
protocol
RS 232 or
optional
+
PWM controller
extern/intern
-
-
+
o
+
+
-
DAC
analog output
or
or
relay
outputs
digital
serial interface
AMP
Iconst
RS485
comm
12bit
18V
18V ext/int.
24/
24/
sampling time 500ms