3
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12.11. DEVICE INFORMATION .......................................................................................................... 25
13. USE AND FUNCTIONS OF USB MEMORY (PENDRIVE) ................................................................ 25
14. VIEWING RECORDED MEASUREMENTS AND EVENTS ............................................................... 26
15. MESSAGE AND ERROR SIGNALING ................................................................................................ 26
16. IMPORTANT COMMENTS PERTAINING TO OPERATION. PROBLEM SOLVING
.......... 27
17. RS485 COMMUNICATION INTERFACE (acc. to EIA RS-485) ....................................................... 28
18. MODBUS–RTU SERIAL TRANSMISSION PROTOCOL ................................................................... 28
19. MODBUS–TCP SERIAL TRANSMISSION PROTOCOL .................................................................... 29
20. MAP OF DEVICE REGISTERS FOR THE MODBUS-RTU/TCP ........................................................ 30
21. USER'S NOTES ...................................................................................................................................... 32
Please pay particular attention to the text marked with this sign.
The manufacturer reserves the right to make changes to the design and the software (firmware) of the device
without any deterioration of the technical parameters (some functions may not be available in older versions).
Updating to the latest version of the firmware may require a repeated configuration of the device.
1.
SAFETY PRINCIPLES
Before you start to use the device, become familiar with the present instructions.
a)
in order to avoid electrocution or damage to the device, its mechanical and electrical installation must be
performed by qualified workers;
b)
before switching on the power supply, make sure that all cables and wires are properly connected;
c)
before making any modifications to the wire and cable connections, switch off the voltage supplied to the device;
d)
ensure proper operating conditions compliant with the technical specification of the device (chapter 5, power
supply voltage, humidity, temperature, etc.); do not expose the device to direct and intense heat.
2. INSTALLATION GUIDELINES
The device is designed so as to ensure an appropriate level of immunity to most interferences that may occur in
industrial and household environments. In environments of unknown level of interferences, it is recommended to
implement the following measures so as to prevent potential interference with the operation of the device:
a)
do not supply the device from the same lines as high-power equipment without using appropriate power line filters;
b)
use shielded supply, sensor, and signal cables, whereby the earthing of the shield should be single-point and
located as close to the device as possible;
c)
avoid running measurement (signal) cables in the direct vicinity of and parallel to power and supply cables;
d)
it is recommended to twist the signal wires in pairs or to use a finished twisted-pair cable;
e)
in the case of sensing resistors in 3-wire connections, use identical wires;
f)
avoid proximity of remotely controlled devices, electromagnetic meters, high power loads, loads with phase or
group power control, and other devices that cause high impulse disturbances;
g)
ground or zero metal rails on which rail-mounted devices are installed.
Make sure to remove the protective film from the LCD display before the first use of the device.
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Summary of Contents for AR407
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