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3. SIGNALS AND WIRING
Control
Mode
Signal Symbol
Connec-
tor Pin
No.
Functions/Applications
I/O
Division
PST
Analog torque
limit
TLA To use this signal in the speed control mode, set any of
parameters No. 43 to 48 to make TL available.
When the analog torque limit (TLA) is valid, torque is limited in
the full servo motor output torque range. Apply 0 to +10 VDC
across TLA-LG. Connect the positive terminal of the power supply
to TLA. Maximum torque is generated at +10 V. (Refer to (2) in
Section 3.4.1.)
Analog
input
{ ∆
Analog torque
command
TC
CN1B
12
Used to control torque in the full servo motor output torque
range.
Apply 0 to ±8VDC across TC-LG. Maximum torque is generated at
±8V. (Refer to (1) in Section 3.4.3.)
The torque generated at ±8V input can be changed using
parameter No. 26.
Analog
input
{
Analog speed
command
VC Apply 0 to ±10VDC across VC-LG. Speed set in parameter No. 25
is provided at ±10V. (Refer to (1) in Section 3.4.2.)
Analog
input
{
Analog speed
limit
VLA
CN1B
2
Apply 0 to ±10VDC across VLA-LG. Speed set in parameter No.
25 is provided at ±10V. (Refer to (3) in Section 3.4.3.)
Analog
input
{
Forward rotation
pulse train
Reverse rotation
pulse train
PP
NP
PG
NG
CN1A
3
CN1A
2
CN1A
13
CN1A
12
Used to enter a command pulse train.
x In the open collector system (max. input frequency
200kpps):
Forward rotation pulse train across PP-SG
Reverse rotation pulse train across NP-SG
x In the differential receiver system (max. input frequency
500kpps):
Forward rotation pulse train across PG-PP
Reverse rotation pulse train across NG-NP
The command pulse train form can be changed using
parameter No. 21.
DI 2
{