PALMSTIERNAS D3, Руководство пользователя

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12
Option
HART-
connection
1 4-20 mA + input signal
2 4-20 mA – input signal
3 Switch 1 NO
4 Switch 1 NC
5 Switch 1 COM
6 Switch 2 NO
7 Switch 2 NC
8 Switch 2 COM
9 AUX input 4-20 mA +
10 AUX input 4-20 mA –
11 4-20 mA + Feedback, 10-28 V DC
12 4-20 mA – Feedback, 10-28 V DC
13 Alarm
14 Alarm output –
+ – + – + – + –
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Remote-
unit
+ –
1 2 3 4 5 6
3 4 5
Shielded cables,
grounded on the D3
Connecting a
remote unit
D3
The terminal block (below) for the posi-
tioner is accessible when the aluminium cover
and inner cover is removed, see Section 8.
Warning! In a hazardous
environment where there is a
risk of explosion, electrical
connections must comply with
the relevant regulations.
Electrical connections
The diagrams show the terminal blocks
in D3 and D3 Ex.
Remote unit
The remote unit shall be connected
between terminals3, 4 and 5 in the D3 and 3,
4 and 5 in the remote unit. Use a shielded
cable and ground it in the D3 only. Max
recommended distance between D3 and
remote unit: 5 m.
Note! When converting D3/D3 Ex for use
with remote unit, some changes have to be
done inside the positioner, see Section 8.
When installing D3 Intrinsically safe unit, always consider cdwg D3-70.