Rockwell Automation 440R CU2 Stop Motion Detector - Manual

To gain access
to switches & fuse
flip off lid with
a small screwdriver.
Access to replaceable fuse
Isolate power
before opening.
Technical Specifications
CU2
STOP MOTION DETECTOR
TERMINAL CONNECTIONS
120
35mm DIN rail
mounting
45
73
Power supply:
Relay outputs:
Maximum switched:
current/voltage/load
Internal fuse:
Mounting:
Enclosure protection:
Terminal Isolation:
Ambient temperature:
Internal switches:
LED indication:
Standards conformity:
110/230V AC (Switch selectable)
or 24V AC/DC
2 N/O + 1N/C (TUV approved)
4A/250V AC/1000VA
2A/30V DC/60W
500mAT (replaceable)
35mm DIN Rail
IP 40 DIN 0470
IP 20 DIN 0470
-10
° C to +55 ° C
110/230V AC selector
A, B, C, D timing range selector
Red = Power On
Red/Green LED : Red = Timing,
Green = Output
EN 60204, BS EN 292
SUPPLY
110/230
V AC
SELECTABLE
OR
24VAC/DC
13 23 31 14 24 32 A1 Y1 Y2 A2
TEST SAFETY
1
SAFETY
2
AUXILIARY
TIMER RANGE INTERNAL SWITCH SETTING
The CU2 provides a stopped motion detection system and is used together with CU2 sensors
to detect movement of a machine via the flywheel, gear or shaft etc. Upon energisation the
unit powers up (Red LED). When the sensor detects that the machine has stopped the CU2
integral timer operates and after the selected time delay the Signal LED turns Green. This
indicates that the safety outputs are closed and the CU2 will allow access to the machine,
typically via a solenoid operated guard interlocking switch with guard locking. In this way the
machine is at an ensured stop before access is possible. The auxiliary output is now "OFF".
The outputs and timer circuit are failsafe and cross monitored.
Time delay selection is a simple matter for a qualified person to set the DIP switches and fine
tune accordingly. In addition a replaceable plug-in 500mAT fuse is accessible behind the
removable panel (isolate the power before opening) preventing short circuits or overloads
from damaging the unit. Terminals YI - Y2 can be used to provide monitoring of the contactors
at power up of the CU2.
CU2 TIMER UNIT
CU2 SENSOR (2 REQUIRED)
500mA
Check time delay is set correctly
3
2 Fine tune
1 2 1 2 1 2 1 2
< 1 second to 10 seconds.
A
1 second to 39 seconds. 6 second to 5 mins 10 seconds. 48 second to 41 mins
B C D
1 Select general range
SUPPLY
SUPPLY
K1
K2
K1
K2
M
STOP
K1
K2
START
SOLENOID
LOCKING
SWITCH
A1
Y1
P
P
N
P
N
N
Y2
A2
14
13
NPN
INDUCTIVE
SENSOR
PNP
INDUCTIVE
SENSOR
NPN INDUCTIVE SENSOR PNP INDUCTIVE SENSOR
L1 L2 L3
POWER
OUTPUT
MADE IN THE EC
Sicherheitstechnik
CU 2
EN60204
BS EN 292
A2 P N P Y2 14 24 32
A1 N P N Y1 13 23 31
SUPPLY
SUPPLY
Stop Motion Detection
BROWN BLACK BLUE
BROWN BLACK BLUE
M18
80
Ø16
DIMENSIONS
Minimum Maximum
SOLENOID
SAFETY CONTACTS
6mm
max
6mm
max
LOCKTITE
THREADS
* *
SENSOR INSTALLATION
Each sensor must have a separate
mounting bracket (not supplied)
Rotary movement
of machine
Part No: 70884
Change No. 13151 Issue 1
R