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User Manual
E727T0005, valid for E-727
BRO, 2019-06-28
Physik Instrumente (PI) GmbH & Co. KG, Auf der Roemerstrasse 1, 76228 Karlsruhe, Germany
Page 213 / 240
Phone +49 721 4846-0, Fax +49 721 4846-1019, Email
Troubleshooting
Fault: Communication with the controller does not work
Possible Causes
Solution
The wrong
communication cable
is used or it is
defective
If necessary, check whether the cable works on a fault-free system.
The power-on/reboot
sequence had not
finished
The starting procedure of the E-727 must be finished before the communication
between the E-727 and PC can be established. The starting procedure takes about
20 seconds and is finished when the
Power
LED is continuously lit.
The interface is not
configured correctly
With the RS-232 interface, check port and baud rate.
With the TCP/IP connection, connect the controller to a network access point
before
you power it on. Check IP address and IP mask (the settings of the
devices in the network must be compatible, e.g. the IP address of each device
must be unique). Make sure that your network administrator has not set the
network to forbid unknown devices like the E-727 to log on. Note that if the
controller is already connected to your or another host PC via TCP/IP, a second
TCP/IP session cannot be established.
Another program is
accessing the
interface.
Close the other program.
Problems with special
software
Check whether the system works with other software, such as a
terminal program or a development environment.
Test the communication by sending the
*IDN?
or
HLP?
command.
Make sure that you end the commands with an LF (line feed). Exception: Single-
character commands are not followed by a terminating character; see "GCS
Syntax for Syntax Version 2.0" (p. 178).
E-727 models with
EtherCAT interface
(p. 164): TCP/IP and
USB interface are
disabled
Before you use the TCP/IP and USB interfaces, make sure that these interfaces
are enabled: TCP/IP and USB will be enabled again after a delay of 100 ms when
the E-727 has left the OPERATIONAL EtherCAT communication state.
Fault: Stage does not move
Possible Causes
Solution
Cable not connected
correctly
Check the cable connections.
If a connection assignment is given on the labels of the E-727 and/or stage,
observe this assignment when connecting the stage.