Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuale Utente Scaricare il pdf (Pagina 33)

<2. WIRING AND INSTALLATION>

2-6

IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00

l Grounding the stainless steel housing

Usethe terminaloutsidetheconverterhousingforgrounding(Figure2.7B).

Usearingterminal.

When connecting the converter to a distributor, connect the shield of a double-core shielded

cable to the

terminalontheterminalblockintheconverter.Donotconnecttheshieldtothe

ground terminal in the distributor.

A: Plastic housing

(Internal grounding)

B: Stainless steel housing

(External grounding)

Figure 2.7 Grounding

2.4.2 Connection of the power supply

Pass the supply/output cable through the power cable hole shown in Figure 2.3 into the converter

and connect it to the terminals marked +, – and

according to the marks on the power terminal

(Figure 2.7A).

2.4.3 Wiring cover

After grounding and connecting the power supply, check the wiring and then close the wiring

cover 3 (Figure 2.2).

Whenclosingthecover,engagethepositionsmarkedwith○inFigure2.2andfastenthecover

withthescrewatthepositionmarkedwith∆.

CAUTION

Thescrewintheareamarkedwith∆shouldbetightenedtoatorqueof0.35to0.45N•m.

If a second module is used, wire the sensor for the second module and attach the wiring cover

(refertogure2.8).

Then,wirethesensorfortherstmoduleandattachthewiringcover(refertogure2.9).

The sensor wiring is shown in section 2.4.

NOTE

Becarefulnottolosethewiringcoverscrews.

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 245 246

Nessun commento

Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuale Utente Pagina 33