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16.2.2
Auxiliary supply voltage input
The auxiliary voltage of the IED is connected to terminals X420-1 and X420-2/3. The
terminals used depend on the power supply.
The permitted auxiliary voltage range of the IED is marked on top of the IED's LHMI.
Table 531:
Auxiliary voltage supply of 110...250 V DC or 100...240 V AC
Case
Terminal
Description
3U full 19”
X420-1
- Input
X420-3
+ Input
Table 532:
Auxiliary voltage supply of 48-125 V DC
Case
Terminal
Description
3U full 19”
X420-1
- Input
X420-2
+ Input
Table 533:
Auxiliary voltage supply of 24-30 V DC
Case
Terminal
Description
3U full 19”
X420-3
- Input
X420-2
+ Input
16.2.3
Binary inputs
The binary inputs can be used, for example, to generate a blocking signal, to unlatch output
contacts, to trigger the digital fault recorder or for remote control of IED settings.
Each signal connector terminal is connected with one 14 or 16 Gauge wire.
Table 534:
Binary inputs X304, 3U full 19”
Terminal
Description
PCM600 info
Hardware module
instance
Hardware channel
X304-1
Common - for inputs 1-3
X304-2
Binary input 1 +
COM_101
BI1
X304-3
Binary input 2 +
COM_101
BI2
X304-4
Binary input 3 +
COM_101
BI3
X304-5
Common - for inputs 4-6
Table continues on next page
1MRK 511 287-UUS A
Section 16
IED physical connections
633
Technical manual
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