Chapter 2 - Specifications
2-19
Flex Network User Manual
• When output hold is used, the output ON signal is held when an error
occurs. As a result, be sure to structure your system so that a V+
terminal does not control an emergency safety circuit. This type of
feature is usually referred to as a fail-safe system.
3.2.3 Connecting the I/O Cable (With 2 transistor units)
• When the Logic Program changes from the RUN condition to either
the OFFLINE mode or RESET, The GLC or the I/O signal will be per-
formed as shown below, regardless of the Output Hold Setting. Be
sure to consider this when changing to either the OFFLINE or RESET
modes.
ON
OFF
6Mbps
12Mbps
Communication Speed Settings
The Dip Switch that is the second from the left controls the communication speed
(6Mbps or 12Mbps). The factory setting is 6Mbps and is recommended.
Please remember that the Reset mode's I/O signal OFF timing is not fixed.
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.
S-No. (Station Number) Setting
Station numbers from 1 to 63 are set in hexadecimal (01h to 3Fh) The factory setting is 0.
The hex upper digit is controlled by the two dip switches on the right side, via ON/OFF
settings.
GLC
Condition
RUN
OFFLINE
RUN
I/O Signal
Output from Logic
Program
OFF
Output from Logic
Program
ON
OFF
The Communication Speed setting status is read when the FN-HC unit
is turned ON. To change this setting, turn the FN-HC unit OFF, change
the setting and then turn the unit ON again.
indicates the hex upper digit
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