Selection Of Encoder Type - Toshiba TOSVERT VF-AS1 Instruction Manual

With OFF, free-run stop
Forward rotation with ON and
reduce speed and stop with OFF
Torque control with ON and
reduce speed and stop with OFF.
F115(S1 terminal) : Set to 112.
*
In VF-PS1, please assign ST (standby)
function to arbitrary terminals.
Figure 4-4 Example of wiring for line driver encoder (Speed/Torque switching operation)
* When using two-phase PG, motor forward and reverse rotation can be judged by PG.
When prohibition on reverse rotation is set by the inverter parameter (f311=1) and
when the motor is rotating to reverse direction due to an external force, the inverter
starts with reverse operation in accordance with the motor's direction for a time and
the motor will be able to shift to the forward rotation and the smooth startup be-
comes possible.

4.1.2.Selection of encoder type

The encoder type should be selected, following the table below.
Encoder Type
Rated voltage output with emitter/follower combination.
High anti-nose characteristics. High-speed response.
Complementary
Long-distance transmission capability.
Need to pay attention to waveform irregularity.
The collector of the transistor is output directly.
Low anti-noise characteristics. Low-cost.
Open Collector
Need to pay attention to waveform irregularity and dis-
tortion.
IC output for high-speed transmission.
High anti-noise characteristics. High-speed response.
Line Driver
When transmitting over a long-distance, need to pay
attention to power voltage drop.
Inverter
R
S
T
*
ST
F
S1
CC
PGVC
PGCC
VEC007Z
Characteristics
12
U
I M
V
W
PG
E
A
A
A
NA
B
B
B
NB
Vcc
0V
Maximum
Wiring
Length
100m
10m
30m

E6581319
PG Compatible
Board
VEC004Z
VEC005Z
VEC006Z
VEC007Z