3
Instruction Booklet
IB0191002EN
Effective November 2019
EAFR-101C arc point sensor relay
user manual
EATON
www.eaton.com
2.2 Simplified block diagram
The EAFR-101C simplified block diagram (see Figure 2) shows the
main components of the EAFR-101C relay .
Figure 2. EAFR-101C simplified block diagram.
T3
7
6
13
BI2
X2
12
15
BI1
14
LATCH
EN
SW6
11
T1
10
LATCH
EN
SW6
9
T2
8
SF
5
4
3
2
U
aux
1
125...250
Vdc
24 Vdc
24 Vdc
110...220
Vac/dc
24 Vdc
12 Vdc
12 Vdc
5 Vdc
uP
12
BI4
11
15
BI3
14
10
BI5
9
8
BI6
7
6
BO1
5
4
BO2
3
12
S1
11
10
9
S2
8
7
6
S3
5
4
3
S4
2
1
Power
Error
T1,T3
T2,T3
BI1
BI2
BI3
BI4
BI5
BI6
BO1
BO2
S1
S2
S3
S4
Self supervision
Control and power supply
X1
X3
ON
OFF
CB1 in use: Yes/no
T1/T2: Latch/NL
S3/S4 Chan: L/L+C
S1/S2 Chan: L/L+C
Configuration
8
7
6
5
4
3
2
1
CB2 in use: Yes/no
MT/C
select
