16
12. Example of wiring diagram
TM
02
6
451
21
05
0D
I1
0
0
0
0
DI2
D
I3
DI4
D
I5
T6
T7
T0
24V
5 digital input
PTC
8 bit analog input
PUMP 1
VI
Phase
sequence
detection
FB 101
FB 101
F3
L1
L2
L3
PE
1 3 5
3K8
F2
M1
U1
V1
W1
PE
1 2 3
3
M
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
S0
S1
S2
F2
B1
L1
L2
L3
PE
Alternative with
PTC protection
PTC1
3
4
PTC2
97
98
3
4
3
3
4
4
Two-wire
4 - 20 mA
Moisture
switch
Pt100/1000
+-
c
-
PUMP 2
Digital output
DO6.1
DO6.2
Pt-100
Three-wire
Pt-100
3K8
Two-wire
F2
95
96
S9
OFF
Example
S8
ON
A1
A2
X1 1
X1 2
Aux.
Volt < 400
V
3
4
1
2
Optional
safety OFF
Optional
manual
override
3K8
B2
Alternative with
thermal switches
Alternative with
thermal switches and
moisture swich
4-20 mA
Three-wire
0-10 V
Three-wire
Contactor
feed-back
Summary of Contents for IO 401
Page 1: ...IO 401 GRUNDFOS INSTRUCTIONS Installation and operating instructions ...
Page 4: ...4 ...
Page 18: ...178 ...