Shihlin SDH Series, Manual

Page: 58 / 220

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Chapter 4.
4.5 Diagnostic display
The following table provides information related to the operation of diagnostic display:
Name Display Description
Control status
Not ready yet.
The drive is being initialized, an alarm has occurred or SON
pin is OFF
Ready.
Initialization completed; ready for operation.
External I/O signal
display
Indicates the ON/OFF states of the external I/O signals. The
upper segments correspond to the input signals and the
lower ones to the output signals. The I/O signals could be
changed by the modification of PD group.
Output signal forced
output
Digital output signals could force ON/OFF.
For more information, refer to Section 4.5.2.
JOG Test mode
JOG test could be executed as no command from the
external command device.
For details, refer to section 5.2.1.
Positioning test mode
Positioning test could be executed once when there is no
command from the external command device. The PC
communication software via RS-232/USB is required This
operation could not be performed from the display panel.
Inertia estimation mode
This operation could execute the estimation ratio of the
motor shaft to the load or related gain values. The PC
communication software via RS-232/USB is required This
operation cannot be performed from the display panel.
Automatic offset of
analog input
If offset voltages in the analog circuits inside and outside
the drive cause the motor to rotate slowly at the speed
analog command or speed analog limit of 0V, this function
automatically makes zero-adjustment of offset voltages.
When using this function, the parameter PC26 would be
automatically adjusted to the offset voltage.
Please follow the steps to operate:
Switch to automatic offset of analog input panel
Press the “SET” key once.
Press the “UP” or “DOWN” key and select 1.
Press the “SET” key.
Software version Indicates the software version of the drive
The applications of diagnostic display are described below:
4.5.1 Indication of external I/O signals
This display is used to verify the ON/OFF states of digital I/O signals connected to the drive
(1) Operation
Call the display screen after power on. Press the “MODE” key to show the diagnostic screen: