YASKAWA JUSP-MD D01A Series User Manual page 139

(3) Connection Example
The following diagram shows a connection example. Use an SN75ALS174 or MC3487 manufactured by
Texas Instruments Inc., or equivalent for the line driver.
 Line Driver Output
Host controller
Line driver
PULS
CW
Phase A
SIGN
CCW
Phase B
CLR
FG
∗
represents twisted-pair wires.
 Open-collector Output
Set limit resistor R so the input current, i, falls between 7 mA to 15 mA.
Host controller
Vcc
R
Tr Vcc
R
Vcc
Tr
R
Tr
FG
∗
represents twisted-pair wires.
Multi-winding drive unit
CN1
∗
PULS
7
150 Ω
/PULS 8
SIGN
11
150 Ω
/SIGN
12
CLR
15
150 Ω
/CLR
14
FG
Multi-winding drive unit
CN1
∗
i
150 Ω
7
PULS
8
/PULS
150 Ω
i
11
SIGN
/SIGN
12
150 Ω
i
15
CLR
14
/CLR
FG
• Use a shielded cable for I/O signals and ground both ends of the shield.
• Connect the shield of the cable on the multi-winding drive unit side to the connector
shell so that the shield will be connected to the frame ground (FG) through the con-
nector.
Photocoupler
Photocoupler
Photocoupler
Example
When Vcc is +24 V: R = 2.2 kΩ
When Vcc is +12 V: R = 1 kΩ
Photocoupler
When Vcc is +5 V: R = 180 Ω
Note: In case of open-collector outputs,
the signal logic is as follows.
When Tr is ON
Photocoupler
When Tr is OFF
Photocoupler
5.4 Position Control
High level input or
equivalent
Low level input or
equivalent
5
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