Sentera EVS Series, Mounting And Operating Instructions

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MIW-EVS-DM-EN-000 - 14 / 03 / 2016 9 - 16
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5. Select the required analogue input type and mode, start mode and OFF level
mode by the DIP switch on the board. (See
Fig. 4 DIP switch settings .)
Fig. 4 DIP switch settings
Ascending / descending mode
selection
(DIP switch, position 1)
ON
1 2 3 4
ON - Descending mode:
10—0 VDC / 20—0 mA
OFF - Ascending mode:
0—10 VDC / 0—20 mA
OFF level selection
(DIP switch, position 2)
ON
1 2 3 4
ON - enabled
OFF - disabled
Kick start / soft start selection
(DIP switch, position 3)
ON
1 2 3 4
ON - Kick start
OFF - Soft start
Input mode selection
(DIP switch, position 4)
ON
1 2 3 4
ON - Current mode
(0—20 mA)
OFF - Voltage mode
(0—10 VDC)
6. Check if your unit starts or terminates the network (see Example 1 and
Example 2 ). If it does, put the NBT jumper onto the pins. If it does not, leave
the jumper open (see Fig. 5 ).
Example 1 Example 2
Fig. 5 Network bus
resistor jumper
Slave 1
RX
ТX
NBT
NBT
NBT
Slave 2
Master
Slave n
Slave 2 Slave 1
RX
ТX
NBT
NBT
Master
Slave n
ATTENTION
If an AC power supply is used with any of the units in a Modbus network, the
GND terminal should NOT BE CONNECTED to other units on the network or
via the CNVT-USB-RS485 converter. This may cause permanent damage to the
communication semiconductors and / or the computer!
7.
Connect the power supply cable.
8. Adjust the max. speed by trimmer (if necessary). The default setting is Us
(230 VAC). See
Fig. 6 Max. speed trimmer .
9. Adjust the min. speed by trimmer (if necessary). The default setting is 30 % Us
(69 VAC). See
Fig. 7 Min. speed trimmer .
10.
Adjust the OFF level value by trimmer (if necessary). The default setting is
0 VAC. See
Fig. 8 Off level trimmer .
Fig. 6 Max. speed trimmer Fig. 7 Min. speed trimmer Fig. 8 Off level trimmer
EVS
ELECTRONIC FAN SPEED
POWER MODULE WITH MODBUS RTU