YASKAWA E-II Series - Page 237

8.6 Operating Using Position Control
8
Operation
8-55
(2) Connection Example
(a) Connection Example for Line-driver Output
Applicable line driver: SN75174 manufactured by Texas Instruments Inc., or MC3487 or the equivalent
* : Represents twisted-pair wires.
(b) Connection Example for Open-collector Output
Select the limit resistance R1 value so that the input current i will be within 7 to 15 mA.
* : Represents twisted-pair wires.
Line
driver
SERVOPACK
Photocoupler
Host controller
CN1
7
8
14
15
12
11
/PULS
SIGN
/SIGN
CLR
/CLR
PULS
∗
150 Ω
150 Ω
150 Ω
عExample

When Vcc is +12V: R1=1 kΩ

When Vcc is +24V: R1=2.2 kΩ

When Vcc is +5V: R1=180 Ω
Note: When the open-collector output is used,
the signal logic is as follows:
When Tr1 is ON High level input or the equivalent
Low level input or the equivalentWhen Tr1 is OFF
SERVOPACK
Photocoupler
Host controller
CN1
7
8
14
15
12
11
/PULS
SIGN
/SIGN
CLR
/CLR
PULS
∗
Vcc
R1
i
R1
R1
i
i
150 Ω
150 Ω
150 Ω
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com