Keyence LS-3100/3100W Series User Manual Page 70

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CHAPTER 4 Functions and Controls
Control Input Terminals
Input specifications
+12V
1.8 k
680
GND
Photocoupler
Control input terminals
Internal circuit
Example of connection
•Contact (relays or switches)
LS controller
Control input
terminals
GND
LS controller
•Solid-state (transistors) Open-collector output
Control input
terminals
GND
Program Selector Input
Terminals
The desired program No. 1 to 5 can be selected from external equipment
using these terminals.
When terminal 5 (6, 7, 8, or 9) is grounded with terminal 10 for an instant,
program No. 1 (2, 3, 4, or 5) is selected and retrieved.
* When two or more terminals are grounded at the same time, the program
with the smallest number will be selected.
When terminal 3 is grounded with terminal 4, the displayed and output
values are retained.
When terminal 3 is disconnected from terminal 4, normal measurement is
resumed.
When the LS controller is set to the P-P, PEAK, or BOTTOM mode, the
previous measured value is reset by grounding terminal 3 with terminal 4
and then disconnecting these terminals.
Hold Synchronous Input
Terminals
Laser Emission Control Input
Terminals (LASER REMOTE)
When terminals 11 and 12 are connected, the laser emission indicator LED
on the front panel lights. And, laser is emitted approx. 5 seconds after the
connection is made. When terminal 11 is disconnected form terminal 12, the
laser emission indicator LED goes out, and the laser emission stops.
The LS controller is delivered with a jumper inserted between terminals 11
and 12.
Control Output Terminals
Output Specifications
Comparator Output
Terminals
Relay: SPST-NO contact, 250 VAC, 2 A (resistive load)
HIGH OUT terminals: HI
Comparator output is sent through these terminals when the measured value
is above the upper tolerance limit.
LOW OUT terminals: LO
Comparator output is sent through these terminals when the measured value
is below the lower tolerance limit.
GO OUT terminals: GO
Comparator output is sent through these terminals when the measured value
is within the tolerance range.
Use a crimp contact for wiring as shown below. Be sure to use a cable with
at least 0.4-mm sheath.
Round-shape Fork-shape
Note
ls3100_49_64.p65 08.10.1, 10:56 AM64
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