WATANABE A5000 Series - Block Diagram

3 Block Diagram
POWER POWER
Input
circuit
A/D
Photo
coupler
RS-232C driver
or
RS-485 driver
Analog
output
circuit
HOLD
DZ
P/H
COM
Relay Relay Relay
Photo
coupler
microcomputer
9999
LO-b LO-c LO-a GO-c GO-c HI-b HI-c HI-a V-OUT A-OUT COM RXD(+) TXD(-) SG
HI LO
Input unit
Display unit
Output unit
Power unit
※Note that an input unit’s connector and input circuit vary depending on the input unit to be installed.
Power circuit
Power circuit