Safety Sensor User Manual User Manual

48 Rockwell Automation Publication 10000202762 Ver 00 - January 2012
Chapter 11 Technical specifications

To meet the requirements of the relevant product standards (e.g., EN 61 496-1), the external voltage supply for
the devices (SELV) must be able to bridge a brief mains failure of 20 ms. Power supplies according to EN 60 204-
1 satisfy this requirement. Suitable power supplies are available as accessories from Rockwell Automation (see
“Accessories” on page 53).
 Within the limits of V
s
.
Table 15 - Data sheet SC300
Minimum Typical Maximum
Housing
Material Aluminium die-cast
Dimensions See “Dimensional drawings” on page 50.
Total weight 0.355 kg
Reflective tape (length × width)
for resolution:
20 mm 1.00 m × 37 mm
24 mm 1.20 m × 37 mm
30 mm 1.50 m × 48 mm
Power-up delay after connecting the
supply voltage
6s
Electrical data
Supply voltage V
s
at the device (SELV)  19.2V 24V 28.8V
Permissible cable resistance on the supply
cable
1 Ω
Residual ripple 
Operating current
at 24V without output load 165 mA
with maximum output load 690 mA
Power consumption
at 24V without output load 4 W
with maximum output load 19 W
Electrical connection M12 × 8 (see “System connection” on page 28)
Cable length for wire cross-section
0.25 mm²
7.5 m
Synchronization Electrical (see “System connection” on page 28)
External device monitoring (EDM) input
Resistance HIGH 2 kΩ
Capacitance 15 nF
Voltage (IEC 61 1312)
HIGH 11 V 24 V 30 V
LOW –3V 0V 5V
Static current 6 mA 15 mA