S
IN
A
MICS G1
20 CU250
S
-2 Contr
ol
Units
List Manual, 09/201
7, A5E33842890
75
3
3
F
un
ction dia
g
ra
ms
3.3
Inpu
t/ou
tput te
rm
inals
F
ig.
3
-15
22
73 – Th
re
e-wire con
trol
- 2273 -
Function diagram
8
7
6
5
4
3
2
1
fp_2273_97_62.vsd
Input/Output Terminals
G120 CU250S-2
05.09.2017
V4.7.9
Three-wire control
(0)
2/3 wire cmd 1
p3330[C]
0 ... 4
p3334 (0)
(0)
2/3 wire cmd 2
p3331[C]
(0)
2/3 wire cmd 3
p3332[C]
(0)
2/3 wire cmd 1
p3330[C]
0 ... 4
p3334 (0)
(0)
2/3 wire cmd 2
p3331[C]
(0)
2/3 wire cmd 3
p3332[C]
t
t
t
t
t
t
t
t
2/3 wire STW
r3333
r3333
2/3 wire STW
r3333
r3333
.0
.1
(2090.11)
Setp inv
p1113[C]
(2090.0)
ON / OFF (OFF1)
p0840[C]
2/3 wire STW
r3333
r3333
2/3 wire STW
r3333
r3333
.0
.1
(2090.11)
Setp inv
p1113[C]
(2090.0)
ON / OFF (OFF1)
p0840[C]
<1>
1
2/3 wire STW
r3333
r3333
.2
1
2/3 wire STW
r3333
r3333
.3
<1>
1
2/3 wire STW
r3333
r3333
.2
1
2/3 wire STW
r3333
r3333
.3
<1>
OFF1
OFF1
OFF1
OFF1
Setpoint inverted
Setpoint inverted
Setpoint
Setpoint
Command ignored
Command ignored
Enable /
OFF1
ON
Clockwise
ON
Counterclockwise
Clockwise
Counterclockwise
Motor speed
ON
Clockwise
Counterclockwise
Motor speed
Reversing
Enable /
OFF1
Ongoing interconnection is either possible from r3333.0/r3333.1 or from the inverted signals
r3333.2/r3333.3.
Three-wire control (p0015 = 19 or p3334 = 3)
enable clockwise/counterclockwise
Three-wire control (p0015 = 20 or p3334 = 4)
enable ON/reversing
CU DI Status
r0722
r0722
.x
CU DI status
r0722
r0722
.x
CU DI Status
r0722
r0722
.x
CU DI Status
r0722
r0722
.x
CU DI status
r0722
r0722
.x
CU DI Status
r0722
r0722
.x