Samson TROVIS 5571, Mounting And Operating Instructions

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1.2 Display
The programmable logic controller has a plain text display .
The display is automatically illuminated when entering or setting the controller.
After connecting the controller to the power supply, “System is being initialized…“ appears
briefly on the display.
Should the display not be illuminated or the contrast is too strong/weak, you can adapt the dis-
play illumination. Refer to section 1.2.1.
If an application is not saved on the PLC , the normal display
(left) contains the date, time and current firmware version.
If an application is saved on the PLC , the normal display
contains application-related information.
The current status of the three communication interfaces “RS-232/Slave“, “RS-485/Master“
and “RS-232/Prog“ appears at the bottom of the display:
RS-232/Slave (left) RS-485/Master (middle) RS-232/Prog (right)
Interface inactive Interface inactive Interface inactive
Direct connection
to control station
active
Modbus master
active
Connection to
ISaGRAF
®
Work-
bench active
Modem inactive
Data logging
active
blinking
Modem initializa-
tion active
RING,
calling active
blinking
Connection estab-
lished/canceled
Connection to con-
trol station active
Error
SMS sending
active
EB 5571 EN
5
Operation
28.11.2005 10:00:05 V1.1xx
Application: …
Version:
…
Date: …
CRC: …
Size: … kB
Cycle time: … ms
SMS