36
UMG 103
01
2
4
6
7
5
3
8
9
01
2
4
6
7
5
3
8
9
x10
x1
0
0
9
9
H1 H2
Device address
LED display
The device is ready for use but
at least one measuring-circuit
and power supply voltage is
smaller than the operating voltage
range.
All measuring-circuit and power
supply voltages lie within the
operating voltage range. The
device is working. The LED goes
out for 0.5 sec every 5 sec.
A fatal error exists in the
device.
The device must be checked
by the manufacturer.
An overrange exists (i.e.
measuring range is exceeded)
at at least one current or voltage
measuring input.
Data transfer on the RS485 is
active.
For service purposes
only!
If the device is switched on
with address 00 the boot-
strap loader is active.
The device is not ready
for use.
The LEDs flash alter-
nately.
The current boot loader can
now be overwritten.
Device addresses within
the range from 1 to 99
only can be set for the
UMG103.
red
green
The LEDs flash alternately.
A firmware checksum error exists.
The device is not ready for use.
Perform a firmware update.
The LEDs flash simultaneously.
Data transfer on the RS485 is
active but faulty.
Quick Reference
Instructions
