3
2. General
EAFR-101 Arc Point Sensor Relay User Manual
MN026004EN February 2016 www.eaton.com
2.2 Simplified Block Diagram
The EAFR-101 simplified block diagram (see Figure 3) shows the main components of the EAFR-101 relay.
Figure 3. EAFR-101 Simplified Block Diagram.
110...220
Vac/dc
Power
24Vdc
12Vdc
12Vdc
5Vdc
24Vdc
LATCH
ON
OFF
LATCH
LATCH
EN
SW6
15
X1
BI1
Uaux
uP
125...250
Vdc
24Vdc
Self supervision
Control and power supply
X2
T1
LATCH
EN
SW6
T2 / CBFP
T3
LATCH
T4
SF
14
13
12
11
10
9
7
8
6
5
4
3
2
1
15
BI2
14
13
BO1
12
11
S1
10
9
8
S2
7
6
5
S3
4
3
2
1
S4
S5
Error
T1,T3,T4
T2,T4
S1
S2
S3
S4
S5
BI1
BI2
BO1
Light
S1: Light
Latch
100 ms
150 ms
Non Latch
Light and Current
Light and Current
Configuration Select:
8
7
6
5
4
3
2
1