6
2.7. Commissioning
After making the connections of TX 1 as described above, energize TX 1 carefully.
Then set the instrument to the desired output mode and perform the setup and calibration
operations as described in Section 4.
Check the performance of your system with different test weights.
After you have assured the accuracy of the system you can use it.
3. Operation
The analogue output signal also gives information about the status of the system and the
weighing process:
Condition
0 – 10 V
output
4-20 mA
output
Error
(option)
Operation
X
X
High
Programming
X
X
Low
The weight is more than the range ( Over )
13 V
24 mA
Low
The weight is under than the zero range (Under )
-1.4 V
0 mA
Low
System Error
13 V
24 mA
Low
ADC is out of operating range
-1.4 V
0 mA
Low
4. Programming via Keys
After making the connections of TX 1 as described before, energize the transmitter.
During power on period green and red LEDs are lightened for 3 second. After turning off
both LEDs for a short period, one of them will be lightened. If you did not follow these LED
signalization sequence, power off the instrument, check the power and load cell cables
and power on it again.
0 – 10 V output
4 – 20 mA output
Green RUN LED
Flashes (on for 4 seconds)
On
Red ERROR LED
Off
Off
There are 2 LEDs and 3 keys on the front panel
of TX 1. The keys are being used for setup and
adjustments and the LEDs have different
meanings in operation and setup mode. The
usage of the keys is described in Section 4.
During power on period both LEDs are lightened
3 seconds. In operation mode the green RUN
LED is ON and the red ERROR LED is OFF. The
status of the LEDs in the operation mode is given
in the table below.
See Section 7 in case of the red LED turns on.
Summary of Contents for TX 1
Page 1: ...TX 1 WEIGHT TRANSMITTER OPERATIONAL MANUAL 08 2012...
Page 13: ...12 Notes...
