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5.2 Rear Panel
1
2
5
Table 2: Terminal Blocks
Terminal Reference
number
1.
1 2 3 4
5 ... 16
2.
3.
17 18 19
4.
20 21 22
5.
23 24 25
26 ... 37
6.
5.3 Power Supply
On the secondary of large transformers may be present very strong transient disturbances, which might exceed
the filters and safeguards built into DQ61 and destroy it; for this reason it is advisable to power it by a
transformer 24VAC or 24VDC power supply. If the power is taken directly from the secondary of the
transformer to be protected, fit a suitable additional filter. For more information please contact QUANTA S.r.l.
5.4 Electrical Connections
For the connection of the measuring sensors (Pt100) it is essential to observe the following rules:
They must be placed separate from the power cables.
They must be made with shielded twisted conductors.
Must have a minimum cross section of 0.5 mm
Must have conductors silver or tin.
Via A. Ferrarin, 19-23 • 50145 Firenze (Italy) • Tel.: +39 055 3024555 • Fax: +39 055 317844
P. I.V.A. e Cod. Fisc.: IT 04273220485
Banche: INTESA-SAN PAOLO - ABI: 06160, CAB: 02848
Figure 3
Common terminal shield for Pt100 probes
Terminals for connection to Pt100 sensors
Optional RS485 Serial Communication
Power Supply 16-26Vac-dc
Power Supply 90-250Vac
Relays Terminal Blocks (5A 250V)
REA CCIAA Firenze: n. 0433306 • Registro Imprese n. FI017 -58513
http:
www.quanta.it
http:
www.quantasrl.eu
2
.
UNICREDIT – ABI 02008, CAB: 38106
e-mail:
acquisti@quanta.it
contabilita@quanta.it
ufficiotecnico@quanta.it
P.E.C.:
quanta@pec.quanta.it
4
3
6
Pag. 8
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