Minebea CSD-912B - Interface

275
Troubleshooting
11
11.1. Trouble causes and corrective measures
11.1.9. RS-422 interface
Phenomenon Cause Action
Signals are not
transmitted.
The RS-422 interface has
been incorrectly wired.
Correctly wire the RS-422 interface with the
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The address number has
been incorrectly set.
Correctly set the address number
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The communication
protocol has been
incorrectly set.
Set the communication protocol according to
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Command data have been
incorrectly set.
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Communication
cannot be
controlled.
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has been controlled by the
host.
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is not controlled on the host side.
The RS-422
interface cannot
be used.
The RS-422/RS-485
interface has been
incorrectly switched.
Correctly switch the RS-422/RS-485 interface
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11.1.10. RS-485 interface
Phenomenon Cause Action
Signals are not
transmitted.
The RS-485 interface has
been incorrectly wired.
Correctly wire the RS-485 interface with the
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The address number has
been incorrectly set.
Correctly set the address number
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The communication
protocol has been
incorrectly set.
Set the communication protocol according to
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Command data have been
incorrectly set.
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Communication
cannot be
controlled.
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has been controlled by the
host.
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is not controlled on the host side.
The RS-485
interface cannot
be used.
The RS-422/RS-485
interface has been
incorrectly switched.
Correctly switch the RS-422/RS-485 interface
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The host
responds too
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The interval from the time
the host receives a
command until it executes
transmission, has been 1
ms or less.
On the host side, set the interval from the time
of command reception to the time of
transmission to 1 ms or more.
The host does
not respond.
The currently set data
delay time for CSD-912B
has been too short.
Set the data delay time of the RS-485 interface
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