FUTEK IPM600 (D610) Digital Display - Manual (Page 122)

21.BLOCK DIAGRAM
111
21. BLOCK DIAGRAM
EXC
EXC
SIG
SIG
Low-pass
Fillter
× 100
Excitation
Referrence
A/D
F.G
FRAME
Zero
Serial
Port
Parallel
Port
Port
Port
Seria
Port
RAM
16Kbyte
CPU
32bit
Flash
ROM 384K
Watch
Dog
NOV.RAM
4096bit
Input
T/H DZ CODE0~3
10Line
6Line
Pallalel
SI/F
Device Net
CC-Link
RS485
HI HH HI OK
H/E
SIF
MPU
Key
LCD
LCD
D/A
RS-232C
BCD
LO LL
+12V +12V -12V +12V +33V
LCD Isolation
AC IN
E.
FRAME
Power Supply Unit
+5V
Conversion
Voltage
Voltage
Input
Output
adjustment
Gain
adjustment
VOL OUT Buffer
DZ H/M ST/SP
CAL0 CAL1
Serial
Port