Mitsubishi Electric Melservo MR-J3-A Instruction Manual page 89

3. SIGNALS AND WIRING
(4) Communication
Signal Symbol
RS-422 I/F SDP
SDN
RDP
RDN
(5) Power supply
Signal Symbol
Digital I/F power DICOM
supply input
Open collector OPC
power input
Digital I/F DOCOM CN1-46
common
15VDC power P15R
supply
Control common LG
Shield SD
POINT
Refer to chapter 13 for the communication function.
Connec-
tor pin
No.
CN3-5 Terminals for RS-422 communication. (Refer to chapter 13.)
CN3-4
CN3-3
CN3-6
Connec-
tor pin
No.
CN1-20 Used to input 24VDC (300mA) for I/O interface. The power supply
CN1-21 capacity changes depending on the number of I/O interface points to
be used.
Connect the positive terminal of the 24VDC external power supply.
24VDC 10%
CN1-12 When inputting a pulse train in the open collector system, supply
this terminal with the positive ( ) power of 24VDC.
Common terminal for input signals such as SON and EMG. Pins are
CN1-47 connected internally.
Separated from LG.
CN1-1 Outputs 15VDC to across P15R-LG. Available as power for TC,
TLA, VC, VLA.
Permissible current: 30mA
CN1-3 Common terminal for TLA, TC, VC, VLA, FPA, FPB, OP ,MO1, MO2
CN1-28 and P15R.
CN1-30 Pins are connected internally.
CN1-34
CN3-1
CN3-7
CN6-1
Plate Connect the external conductor of the shield cable.
Functions/Applications
Functions/Applications
3 - 36
Control
I/O
mode
division
P S T
Control
I/O division
mode
P S T