Section 5
1MAC308145-MB E
Relay physical connections
76
RER620
Application Manual
5.1.5
Binary inputs
The binary inputs can be used, for example, to generate a blocking signal, to unlatch output
contacts, to trigger the fault recorder or for remote control of relay settings.
There are four binary input terminals available with X120 fault by default. In addition to
that, two additional BIO modules can be included in slots 105 and 110. Each BIO module
includes eight input terminals.
Table 16:
Input terminals for BIO module in X105/X110 slot, 1…13
Table 17:
Binary Input terminals X120-1…6
Terminal
Description
X105/X110-1
X105/X110-2
BI1, +
BI1, -
X105/X110-3
X105/X110-4
BI2, +
BI2, -
X105/X110-5
X105/X110-6
BI3, +
BI3, -
X105/X110-6
X105/X110-7
BI4, -
BI4, +
X105/X110-8
X105/X110-9
BI5, +
BI5, -
X105/X110-9
X105/X110-10
BI6, -
BI6, +
X105/X110-11
X105/X110-12
BI7, +
BI7, -
X105/X110-12
X105/X110-13
BI8, -
BI8, +
Terminal
Description
X120-1
X120-2
BI1, +
BI1, -
X120-3
X120-2
BI2, +
BI2, -
X120-4
X120-2
BI3, +
BI3, -
X120-5
X120-6
BI4, +
BI4, -
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