AEG 510 D Operations Instructions download pdf (Page 62)

Protect PV.500 Operating Instructions

80000041664 BAL 61 of 73

X7: Connection to MultiCom interface

S1: Service switch

X3: When a signal is received, the contact between the two

contact points with the lower numbers is closed (normal-

ly open or “NO”).

X4: When a signal is received, the contact between the two

contact points with the lowest numbers is open (normally

closed or “NC”).

X5: The control signal is active when the input is bridged

(normally open). The inverter is switched off.

The following default signals are used for remote signalling:

X3.1-2 3 Inverter feed operation (NO)

X3.4-5 6 DC distribution signal* (NO)

X3.7-8 9 AC distribution signal* (NO)

X3.10-11 12 Incoming mains fault (NO)

X4.1 2-3 Inverter fault* (NC)

X5.1-2 Inverter remote switch-off (NO)

*): Collective signals that contain all messages and faults

Figure 23 shows the normally closed contact in the state that ap-

plies when the signal is not active (normally open) or the voltage is

zero.

The service switch enables maintenance work on the unit to be

signalled to the MultiCom interface using various protocols.

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AEG 510 D Operations Instructions Page 62