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STOP
POWER
FOM
TECH
EN ISO 13849-1:2008, PLd
U
D
W
E
S
N
A1
A2
A3
A4
Relay
Description
Relay
Description
U1
‘U’ 1-speed
U2
‘U’ 2-speed
D1
‘D’ 1-speed
D2
‘D’ 2-speed
E1
‘E’ 1-speed
W1
‘W’ 1-speed
E2+W2
‘E’ & “W’ 2-speed
MAIN 2
MAIN relay 2
MAIN 1
MAIN relay 1
N1
‘N’ 1-speed
S1
‘S’ 1-speed
N2+S2
‘N’ & ‘S’ 2-speed
A1.1
‘A1’ 1-speed
A2.1
‘A2’ 1-speed
A1.2+A2.2
‘A1’ & ‘A2’ 2-speed
A3.1
‘A3’ 1-speed
A4.1
‘A4’ 1-speed
LV
Transmitter low voltage
RES 1
‘RES 1’
RES 2
‘RES 2’
(Alpha 612C-2S)