Unipulse f395 - 20 ．Block Diagram

20.Block Diagram
152
20. Block Diagram
Constant
selection
CH1
output
+EXC
-EXC
Input amp- lifier
-SIG
CH2
Voltage
+SIG
F
．
G
FRAME
R R
*In the case of current input specification,
the part of R resistance is short-circuited and about 100
Ω
resistance is mounted
between
±
SIG(s).
Voltage input
Analog output Analog output
Excitation
Reference voltage
10V or 2.5V
Input amp-
A/D
16bit
Constant
selection
+EXC -EXC +SIG -SIG F
．
G
FRAME
CPU
監視
CPU
監視
Lithium
battery
Buzzer
Control Control
24 IN 16 OUT
PULSE IN D/A OUT
SUB CPU
CPU
MAIN CPU
COLOR LCD
LCD
CONTROLER
DRAM
1Mbyte
FLASH
1Mbyte
MEMORY
NOV RAMNOV RAM
SRAM
256Kbyte
SRAM
256Kbyte
DUAL PORT
RAM
RS-232C
SI/F
Touch panel
LOCK
2-wire non-polar 9 Pin
*OPTION *OPTION
*OPTION
Optional
*
shows photo-coupler insulation.
voltage
converter
A/D
16bit
converter
A/D
Reference voltage
10V or 2.5V
Low
filter
pass
Low
filter
pass
lifier
input output
slot for
Device Net, etc
monitoring
CPU
monitoring
Excitation
voltage
Strain gage
sensor
Strain gage input
sensor