Waveform - Mitsubishi DY-3A66U-AL Service Manual

WAVEFORM

MODEL : DY-3A66U-AL-2-T
(Pin numbers are as measurement points.)
(1) M-Bus Communication Waveform
Pin No. Pin Name
CH1
CH2
CH3
No connection with M-Bus units (500ms/div)
CH1
CH2
CH3
Connection with M-Bus units (100ms/div)
CH1
CH2
CH3
Connection with M-Bus units (50µs/div)
CH1
CH2
CH3
P902
11 M-BUSY
12 M-SCK
13 M-DATA
(2) CD Communication Waveform
CH1
CH2
CH3
CH4
CH5
20µs/div
CH1
CH2
CH3
CH4
CH5
23
P201
Pin No. Pin Name
12 D-MTS
13 SCK
14 D-STM
15 MTS
16 STM