EVCO EVFTFT818P7U Installer manual - Manual (Page 18)

EVCO S.p.A. EVFTFT818 | Installer manual ver. 2.1 | Code 144FTFT818E214
page 18 of 94
4.1.2 Insertion of the RS-485 serial port terminating resistor
The terminating resistor must be inserted in order to reduce the reflections on the signal transmitted along the cables
that connect the RS-485 serial port to other EVCO products.
To connect the terminating resistors, position the jumper as illustrated in the following drawing.
To disconnect the terminating resistors, position the jumper as illustrated in the following drawing.
4.2 Warnings for the electric connection
- do not use electric or pneumatic screwdrivers on the device terminal board
- if the device has been taken from a cold to hot place, humidity could condense inside; wait about 1 hour before
powering it
- make sure that the power supply voltage, the frequency and the operational electric power of the device,
correspond with those of the local power supply; see chapter 15 "TECHNICAL DATA"
- disconnect the device power supply before proceeding with any type of maintenance
- do not use this device as a safety device
- for repairs and information regarding the device, contact the EVCO sales network.