Siemens SINAUT MD720-3 System Manual page 21

The SET button
By pushing the SET button for a certain period of time, you can configure the
device or activate different service modes.
Pushing the SET button
while connecting the supply
voltage
during operation for less
than 2 seconds
during operation for 2-4
seconds
during operation for more
than 4 seconds
Top-hat rail mounting
The SINAUT MD720-3 is suitable for top-hat rail mounting on DIN EN 50022 rails.
A corresponding bracket can be found at the rear of the device.
SINAUT MD720-3
C79000-G8976-C211
Connecting the device and switching on the device
LED Status
The LEDs start to light
up in sequence
signalling the boot
sequence
The LED „S" (Status)
begins to light
The LED „Q" (Quality)
begins to light
Die LED „C"
(Connect) begins to
light
Function
Switch between the
operating modes
Terminal Mode OPC
Mode
Dump of current
settings and values
issued via the RS232
interface
Service mode to
download a new
firmware
Load factory settings
21