IM CA71-E
1-1
Functions
1
2
3
4
5
6
7
8
9
10
11
12
13
App
1. Functions
■ Block Diagram
Constant current source
RJ detection circuit
Temperature
sensor
Reference voltage
V
V
Ω
mA
mA
mA 3Wire
3W
FUSE
mA
Setting
Power supply circuit
AC100V
DC/DC converter
Measurement mode on/of
f switch
Power-on/of
f switch
Output on/of
f relay
Batteries
AC adapter
MEASURE Mode Section
SOURCE Mode Section
MEASURE
H
L
H
L
CPU
Shunt resistor
Multiplying
D/A
converter
A/D
converter
Temperature sensor
Overcurrent detection
Pulse source
Communication cable
SOURCE
Memory
Display
DIP
switch
RJ INPUT
A/D
converter
Input
selector & voltage
divider
Ω
Ω
Current-to-voltage conversion