User manual

LT Series User Manual 2–21
Chapter 2 – Specifications
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 Output Hold ON (Hold)
When a communication error occurs, the unit will HOLD the output condition
received in the previous communication cycle. When the next cycle is performed
and the next command is successfully received, the output will then be changed.
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 Output Hold Settings
The left-most dip switch is used to turn this setting ON/OFF. The factory setting is
OFF (No Hold)
When the Logic Program is changed from RUN to OFFLINE mode, the
output hold setting is turned OFF. Be sure to consider this before chang-
ing to OFFLINE mode, or resetting the unit. Also, when the unit is reset,
the I/O signal OFF timing is not fixed.
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 Output Hold OFF (Non-Hold)
When a communication error occurs, all outputs are reset to 0 (OFF). When
normal communication is restored, the output is also restored.
ON
OFF
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 S-No. (Station Number) Setting
Station numbers from 1 to 63 are set in hexadecimal (01h to 3Fh) The factory
setting is 01h.
The hex upper digit is controlled by the two dip switches (SW3, SW4) on the right
side, via turning them ON/OFF.
indicates the hex upper digit
The arrow's tip indicates the position
Dip Switch 1
Output Hold OFF
Output Hold ON
The Rotary Switch’s arrow tip indicates the station number’s right-most hex digit
(0 to F).