Siemens S7-200 System Manual page 127

● Selecting the keypad buzzer: The TD400C has a keypad buzzer setting (On or Off) to
● Setting the display backlight time: The TD400C allows you to set the time that the display
Tip
At 9600 baud or 19.2 kbaud, the highest station address may need to be increased, even
though the network does not contain more than 32 masters. Increasing the highest station
address allows more time for the masters to transmit messages.
Viewing the TD Messages Stored in the S7-200 CPU (TD 200, TD 200C, and TD400C only)
You can review all of the TD messages (screens and alarms) that you configured for the TD
device within the language set currently selected for the TD device.
The View Messages command allows you to verify that all of the alarms and screens were
correctly stored in the S7-200 CPU.
The View Messages command does not allow you to edit any values that are displayed in
the messages.
Selecting the View Messages command displays all of the messages and process values
stored in the S7-200 CPU. Use the UP and DOWN arrows to scroll through messages stored
in the S7-200 CPU.
Figure 5-19
Forcing the Inputs and Outputs in the S7-200 CPU (TD 200, TD 200C, and TD400C only)
The Force I/O menu allows you to force inputs, force outputs, or unforce all inputs and
outputs. The Force I/O command is available only if you enabled the force-menu when you
configured the TD device with the Text Display wizard.
Caution
Turning off the power to the S7-200 CPU before the force information is written to the
permanent memory in the CPU can cause the S7-200 CPU to experience a failure the next
time you turn the S7-200 CPU on.
Text Display (TD) User Manual
System Manual, 08/2008, A5E00765548-03
5.7 Performing Specialized Operator Tasks (Diagnostic/Setup Menu)
provide audio feedback when a key is pressed. The default is set to On.
backlight is on allowing you to extend the life of the TD400C display.
– The backlight on time is configurable from 1 to 60 minutes in one minute increments
– You can configure the backlight to be on all the time
– The default backlight on time is 10 minutes
View Messages Command
Operating Your Text Display (TD) Device
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