Panasonic Minas E Series Instruction Manual page 69

Output Circuit
SO1 Sequence Output Circuit
• This output circuit is configured with a Darlington connection
transistor output of open collector. It is connected to a relay
or photo coupler.
• Due to Darlington connection of the output transistor, there
exists a collector-to-emitter voltage V
upon power-ON of the transistor. Note that normal TTLIC
cannot be directly connected since it does not meet VIL
requirement.
• When a recommended value of primary current of a photo
coupler to be used is 10mA, determine a resistance value
with the following formula:
For a recommended primary current value, check the data
sheets of equipment or photo coupler you plan to use.
PO1 Line Driver (Differential Output) Output
• Provide differential outputs of encoder signal output (Phases
A, B and Z) after dividing operation is performed, by
respective line drivers.
• On the host controller side, receive signals with a line
receiver. Then, be sure to install termination resistor
(approx. 330Ω) between inputs of the line receivers.
• These outputs are non-insulated signals.
This represents a twisted pair cable.
PO2 Open Collector Output
• Among signals from the encoder, output phase Z signals with
the open collector. This is non-insulated output.
• On the host controller side, use a high-speed photo coupler
for reception, since pulse width of phase Z signal is usually
narrow.
This represents a twisted pair cable.
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[Connections and Settings in Position Control Mode]
(SAT) of approx. 1V
CE
V [V] – 2.5[V]
DC
R [kΩ] =
10
69
Be sure to install in the direction shown in the figure.
SO1
ALM, etc.
12~24V
V
DC
COIN,
etc.
-
13 COM
Maximum rating: 30V
Item equivalent to
Item equivalent to
AM26C32
15
OA+
16
OA-
17
OB+
OB-
18
19
OZ+
OZ- 20
GND 14
Be sure to connect the signal grounds between
the host controller and driver.
Maximum rating: 30V
21 CZ
14 GND
High-speed Photo Coupler
(Equivalent to TLP554 by Toshiba Corporation)
50mA
AM26C31
A
B
Z
50mA