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UMG 604-PRO
22
KTY83
6. 6
Temperature measurement
The device has a temperature measurement
input that is designed for a maximum total
burden of 4 kOhm. The total burden refers to
sensors and the line.
Fig.42.1 Example, temperature measurement with
a KTY83.
UMG 604-PRO
Analog Input
c
c
CAUTION!
Transmission errors and
damage to property due
to electrical faults
If the line is longer than 30 m, there is
an increased probability of transmission
errors and damage to the device due
to atmospheric discharge.
Use a shielded cable to connect to the
temperature sensor.
c
c
CAUTION!
Risk of injury due to electric
voltage!
Insufficient insulation of the operating
equipment at the temperature measurement
input to the mains supply circuits can cause
the temperature measurement input and
interfaces RS232 and RS485 to convey
hazardous voltage.
Ensure that there is reinforced or double
insulation to the mains supply circuits!
Fig. Connecting temperature sensor to the measurement
input
c
c
WARNING!
Risk of injury due
to electric voltage!
RS232, RS485 and the temperature
measurement input are not galvanically
separated from each other.
Therefore, be aware that hazardous
voltages on the inputs that are not
galvanically separated may have effects
on the other connections.
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