Installation and Commissioning
8-28 7SA6 Manual
C53000-G1176-C133-1
The set nominal currents of the current input transformer are checked on the input/
output board C–I/O–11. All jumpers must be set to the same nominal current, i.e. one
jumper for each input transformer (X61 to X64) and one common jumper X60.
However: there is no jumper X64 for the version with sensitive earth current input
(input transformer T8).
For normal earth current inputs the jumper X65 is plugged in position “IE” and for
sensitive earth current inputs in position “IEE”.
The jumpers X71, X72 and X73 on the input/output board C–I/O–11 are for setting the
bus address and must not be changed. Table 8-16 lists the jumper presettings.
Mounting location:
for housing size
1
/
3
in Figure 8-8, slot 19,
for housing size
1
/
2
in Figure 8-9, slot 33,
for housing size
1
/
1
in Figure 8-10, slot 33 right.
.
Table 8-16 Jumper setting of printed circuit board addresses of binary input/output
boards C-I/O-11
Jumper Presetting
X71 1–2 (H)
X72 1–2 (H)
X73 2–3 (L)
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