3 - 36
3. SIGNALS AND WIRING
(4) Communication
POINT
Refer to chapter 13 for the communication function.
Control
mode
Signal Symbol
Connec-
tor pin
No.
Functions/Applications
I/O
division
P
S
T
RS-422 I/F
SDP
SDN
RDP
RDN
CN3-5
CN3-4
CN3-3
CN3-6
Terminals for RS-422 communication. (Refer to chapter 13.)
(5) Power supply
Control
mode
Signal Symbol
Connec-
tor pin
No.
Functions/Applications I/O
division
P S T
Digital I/F power
supply input
DICOM CN1-20
CN1-21
Used to input 24VDC (300mA) for I/O interface. The power supply
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%
Open collector
power input
OPC
CN1-12 When inputting a pulse train in the open collector system, supply
this terminal with the positive ( ) power of 24VDC.
Digital I/F
common
DOCOM CN1-46
CN1-47
Common terminal for input signals such as SON and EMG. Pins are
connected internally.
Separated from LG.
15VDC power
supply
P15R
CN1-1 Outputs 15VDC to across P15R-LG. Available as power for TC,
TLA, VC, VLA.
Permissible current: 30mA
Control common
LG
CN1-3
CN1-28
CN1-30
CN1-34
CN3-1
CN3-7
CN6-1
Common terminal for TLA, TC, VC, VLA, FPA, FPB, OP ,MO1, MO2
and P15R.
Pins are connected internally.
Shield
SD
Plate
Connect the external conductor of the shield cable.
Summary of Contents for MELSERVO MR-J3 A Series
Page 15: ...A 14 MEMO ...
Page 225: ...7 12 7 GENERAL GAIN ADJUSTMENT MEMO ...
Page 241: ...8 16 8 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Page 251: ...9 10 9 TROUBLESHOOTING MEMO ...
Page 263: ...10 12 10 OUTLINE DRAWINGS MEMO ...