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Specifications are subject to change without notice
WM22-DINDS1003
9
Keys for:
- value programming;
- function selection;
- displaying the measuring pages.
2. Display
LCD with alphanumeric indications to:
- display configuration parameters;
- display all the measured variables.
3. Removable label
Label to write the instrument ID number.
4. Hidden dip-switch
Enable/ disable the access to the
programming procedure.
Front panel description
1
1. Key-pad
To program configuration parameters and to display variables.
S-key to enter programming and confirm selections;
2
Wiring diagrams (optional modules)
Only open collector outputs: the grounds of the outputs are separated, and therefore it’s possible to carry out, for the same
module, two different connections. The load resistance (Rc) must be designed so that the closed contact current is lower than
100mA; the VDC voltage must be lower than or equal to 30V. VDC: power supply voltage output. Vo+: positive output contact
(open collector transistor). GND: ground output contact (open collector transistor).
Current and voltage
4-wire connection
2-wire connection
Open collector output
Fig.10
Analogue output
Fig. 12
RS485 Serial output
Fig. 13
RS485 Serial output
Fig. 14
3
WM22-DIN
VDC max 30V
4
Relay + open collector output Fig. 11
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