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- It is recommended that the power supply negative pole be grounded (WDESK-D, WINOX,
WTAB: connect the earthing system to the dedicated external terminal ).
- Connect terminal "– SUPPLY" to the RS485 common of the connected instruments in the event
that these receive alternating current input or that they have an optically isolated RS485.
- In case of an RS485 network with several devices it is recommended to activate the 120 ohm
termination resistance on the two devices located at the ends of the network, as described in the
paragraph RS485 SERIAL CONNECTION.
- E/EC option (if available): selects 12 groups of 5 setpoint.
2 outputs: settable setpoint.
1
2
3
4
5
6
7
RS232: TXD
8
RS232: RXD
9
RS485: -
10
RS485: +
11
To access the terminal strip you need to remove the front panel of the instrument
unscrewing the eight screws.
ELECTRICAL CONNECTIONS
BASIC INFORMATION
WDESK-LIGHT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
RS232
RS485
TERMINALS LEGEND
OUTPUTS
max 115 VAC
150 mA
12
13
14
15
16
17
OUTPUT No. 1
18
OUTPUT No. 2
19
OUTPUT COMMON
20
+ SUPPLY (12/24 VDC)
- SUPPLY (12/24 VDC)
21
RS232, RS485: SHIELD, GND
- 4 -
12-24
VDC
supply
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