Interface Internal Circuit - Mitsubishi Electric MELSEC iQ-RD77MS2 User Manual

Interface internal circuit

The outline diagrams of the internal circuits for the external device connection interface (for the Simple Motion module, axis 1)
are shown below.
Interface between external input signals/forced stop input signals
Input or Signal name
Output
Input External input signal
(Upper/Lower limit signal
External input signal
(Proximity dog
External command/Switching
signal)
Common
Forced stop input signal
*1 When using external input signal of servo amplifier, set "1" with "[Pr.116] FLS signal selection", "[Pr.117] RLS signal selection", and
"[Pr.118] DOG signal selection".
*2 Refer each servo amplifier instruction manual for wiring of the input/output signals of servo amplifier.
*3 "_ _" indicates "1A", "1B", 2A ", or "2B".
*4 As for the 24 V DC polarity, both "+" and "-" are possible.
6 WIRING
62
6.2 External Input Connection Connector of the RD77MS
*1
SIN (FLS, RLS)
*2
)
*1
SIN (DOG,
*2
, Stop, STOP, DI)
COM
EMI
EMI.COM
Pin No. Wiring example
*3
_ _1 to 5
SIN (FLS,RLS)
SIN (DOG,STOP,DI)
*3
_ _6
*3
_ _7
*4
24 V DC
1A8
1B8
EMI.COM
Internal circuit
COM
EMI
Description
Upper-limit signal,
Lower-limit signal,
Proximity dog signal,
Stop signal,
External command
signal,
Switching signal,
Forced stop input signal