Quick Start Guide
Quick Start Guide
796 Tek Drive, Crystal Lake, IL 60014 USA +1 847 857 6076 |+1 847 655 7428 +1 847 655 6147 www.tek-trol.com
Before connecting power in an explosive atmosphere, ensure the instrument is installed in accordance
with intrinsically safe or non-incendive eld wiring practices.
Verify that the operating atmosphere of the transmitter is consistent with the appropriate hazardous
locations certications.
6. Communication
7. Conguration
The Tek-Flex 4100A Level Transmitter leaves Tek-Trol’s factory pre-congured to the customer's application
settings, but if adjustments need to be made in the eld the RS485 Communication Tool is recommended.
RS485 Communication can be connected in the A & B terminals (COMMS) as shown below:
For any conguration related queries, please contact Tek-Trol technical support.
1 2 3 4 5 6 7 8 9 10
4-20mA-
4-20mA+
DC IN +
DC IN -
IS+
A
B
COMMS
(RS485)
Note: For additional information for display, please contact Tek-Trol technical support.
Powering the Tek-Flex 4100A for the rst time:
•
Conrm if the Tek-Flex 4100A is mounted within the recommended specications.
•
Conrm the wiring is correct and all connections are as shown above
•
Apply power to the Tek-Flex 4100A.
•
The Tek-Flex 4100A will take up to 30 seconds to warm up and stabilize upon initial start-up. It will then
perform a scan to locate the level which will take approximately 1 sec or less. Once the load sequence is
complete and the Tek-Flex 4100A has taken the rst measurement, the analog output indicates the material
level (factory default) or distance measurement. If the proper analog output is not achieved, please contact
your Tek-Trol representative for further instructions.
