87
10
SPECIFICATIONS
87
S
PEC
IFICA
T
IONS
Chapter
10
10-3.
F350 block diagram
AC IN
+
EXC
-
EXC
+
SIG
-
SIG
×100
SHIELD
FRAME
D/A
RS-232C
BCD
+5V
+5V
+5V
-9V
VCC
ISO
+
SIG
-
SIG
×100
FRAME
SHIELD
Buffer
Watchdog
RAM
16KB
Serial
Port
Serial
Port
CPU
32bit
NOVRAM
4096bit
External
SRAM
Serial
Port
ROM
256KB
Serial
Port
SI/F
7-segment LED
LED lamps
LED
Driver
Membrane
keys input
100
~
240V
L
N
+9V
+12V
LED
Lithium
battery
*2
*1
*1
OPTION
*2
Indicates the insulation by Photo coupler.
MONITOR1
MONITOR2
MPU
(DAV/DAI)
Gain
adjustment
Low-pass
Fillter
Excitation
Voltage
2.5,10V
Buffer
A/D
Conversion
24bit
Power Supply Unit
Control
Input
Control
Output
Gain
adjustment
Low-pass
Fillter
Base
Voltage
A/D
Conversion
24bit
FRAME