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4.6.2
Bootloader
After the device has been switched on, link LED flashes for 4 seconds. In this time, the boot
loader is ready to receive. After 4 seconds have elapsed, the device switches to normal
operating mode.
During this time, the boot loader has the IP-addr.: 192.168.97.60 and the port 69. The new
program file can be transferred using the Windows tool "TFTP".
e.g. TFTP 192.168.97.60 put elr4-neu.hex
The upload of a new program can also be started in operation. After sending the command
"UPL", the bootloader will start with the current IPAddr. Also here, the program file is
transmitted with the TFTP tool. After 4 seconds, the device is back in the normal operating
mode.
4.6.3
Calibration of analogue measurement
Prerequisite
An adjustable power supply with a max. of 30V and 5A.
A precise load or an adjustable load for each output.
Measurement devices for current and voltage.
With this load, exactly 1000mA at 24V should flow to the output.
Preparation
Connect the voltage supply from the power supply to X2.
Check, whether with the switched on the output OUTx.24 exactly 24V is on Pin1.
Measure whether with the connected load on the output OUTx. 24 exactly 1000mA flows.
Calibration
All presets have been carried out and the outputs switched off again.
Now the calibration is started with the command "CADC".
When the calibration is completed, the control sends the controller the version number
RVER<vX.XX.XX>
Technisches Handbuch
Version 5.2
Technical data
22
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