Rockwell Automation 442L SC300 Safety Sensor User Manual User Manual
Page 51
Rockwell Automation Publication 10000202762 Ver 00 - January 2012
49
Chapter 11
Technical specifications
Table 15 - Data sheet SC300
Applies to the voltage range between U
V
and 0 V.
Switching currents
≤500 mA are allowed briefly (100 ms).
In the case of a fault (0V cable open circuit) the maximum leakage current flowing in the OSSD cable. The
downstream controller must detect this status as LOW. A safe PLC (Programmable Logic Controller) must be
able to identify this status.
Make sure to limit the individual cable resistance to the downstream controller to this value to ensure that a
cross-circuit between the outputs is safely detected. (Also note EN 60
204 Electrical Machine Equipment, Part 1:
General Requirements.)
When active, the outputs are tested cyclically (brief LOW). When selecting the downstream controllers, make
sure that the test pulses do not result in deactivation when using the above parameters.
Minimum
Typical
Maximum
Reset/restart input (RESTART)
Resistance HIGH
2 k
Ω
Capacitance
15 nF
Voltage (IEC 61
1312)
HIGH
11 V
24 V
30 V
LOW
–3 V
0 V
5 V
Static current
6 mA
15 mA
Actuating time control switch input
120 ms
Teach-in/synchronization (TEACH/SYNCH) input
The input must be operated by a key-operated switch
(contact).
Resistance HIGH
2 k
Ω
Capacitance
15 nF
Voltage HIGH
11 V
24 V
30 V
Static current
6 mA
15 mA
Output signal switching devices (OSSDs)
2 PNP semiconductors, short-circuit protected
, cross-circuit
monitored
Switching voltage HIGH (active, U
rms
) at 250 mA
V
S
– 2.7 V
V
S
Switching voltage LOW (inactive)
0 V
0 V
3.5 V
Source switching current
6 mA
250 mA
Leakage current
250
μA
Load inductance
2.2 H
Load capacity at 50
W
2.2
μF
Permissible line resistance between device and load
2.5
Ω
Test pulse date
Test pulse width
230
μs
300
μs
Test frequency
120 ms
Response time
20 ms
Switch off time
100 ms
Power-up delay of the OSSDs from red to green
30 ms
Contactors
Permissible dropout time
300 ms
Permissible pick-up time
300 ms