Instruction manual

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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
PST
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.)
RS-422
termination
TRE CN3-8 Termination resistor connection terminal of RS-422 interface.
When the servo amplifier is the termination axis, connect this
terminal to RDN (CN3-6).
(5) Power supply
Control
mode
Signal Symbol
Connec-
tor pin
No.
Functions/Applications I/O division
PST
Digital I/F power
supply input
DICOM CN1-20
CN1-21
Used to input 24VDC (300mA) for input 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.