Device Description XVC-100
Text Display PLC
XVC-100
Operation
Subject to technical modifications
Doc No. 92 23 100000 (06/2002)
© by Moeller GmbH
33
6 O
PERATION
6.1 S
TARTUP BEHAVIOUR
After power on, the XVC-100 carries out a system test. The PLC does not
switch to Run or Stop until no hardware errors have been found. The
system test includes the following:
•
LED test (all LEDs are activated momentarily on power on)
•
Memory test
•
User program test
The results of the tests are indicated by the Stop, Run and SF LEDs.
Additional information is shown in the display. The SF LED lights up in the
event of a fault.
The PLC status depends on the position of the operating mode switch (
"
Section 6.4)
Start messages
:
1st Line:
Hardware and software version: are shown in the first line in the
following format
HRVxxxxESSSS
H ...Hardware type
1 = XVC-100
R …RAM size
0 = 512 KB
V ...Hardware version 0 = XVC-100
x ...reserved
(0)
E …Error status
0 ...o.k.
Bit 1 1 = Operating system missing
Bit 2 1 = I/O driver missing
Bit 3 1 = PLC runtime system missing
SSSS ...Software version of the runtime system: 0100 = Version 1.00
2nd Line:
CAN node number (can be set in the System menu
"
Section
6.7 or in the user program)
6.2 S
HUTDOWN BEHAVIOUR
The power supply unit can bridge a voltage dip of <= 10ms at 24V. With
longer voltage dips (when the power supply falls below 18 V), the internal
5V supply remains stable for at least 100ms. This is enough time for all the
information required for the restart to be saved.
100000000100
31
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