YASKAWA SGD7S Product Manual page 271

6.12 Absolute Encoders
6.12.4 Reading the Position Data from the Absolute Encoder

Allocating the SEN Signal to a General-Purpose Input
Type
Input
A circuit example for when the SEN signal is allocated to CN1-40 to CN1-46 on the I/O signal
connector is provided below.
Refer to the following section for the procedure to allocate input signals.
6.1.1
 Using the Pull-Up Power Supply in the SERVOPACK
Host controller
ON:
1.5 V max.
 Using an External Pull-Up Power Supply
Pull-Up Voltage (Vcc)
Circuit Example for Open-Collector Outputs
Host controller
Pull-up
6-76
Signal Connector Pin No. Signal Status
SEN CN1-40 to CN1-46
on page 6-4
Input Signal Allocations
SERVOPACK
PL1, PL2, or PL3 terminal
Ω
150
4.7 k
Approx. 9 mA
Pull-Up Resistance (R1)
24 V
1.8 kΩ to 2.7 kΩ
12 V max.
820
5 V max.
180
SERVOPACK
Vcc
R1
i
Ω
150
4.7 k
Tr1
VF = 1.5 V to 1.8 V
Does not request the position data from the absolute
OFF (open) encoder. (This is the status after the power supply is
turned ON.)
ON (closed) Requests the position data from the absolute encoder.
+12 V
Ω
0 V
Ω Ω
to 1.5 k
Ω Ω
to 470
Ω
V F
Meaning