Technical specifications   
 
  CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1 
110  Operating Instructions, 01/2017, C79000-G8976-C426-03 
•  PCF Standard Cable GP, PCF 
Trailing Cable, PCF Trailing Ca-
ble GP 
•  Max. 100 m 
External power supply (X80), design  Socket  
Terminal block for socket 
Two terminals with reverse polarity protec-
tion 
2 x two terminal for single or redundant 
Power supply (external) 
•  Type of voltage 
•  Permitted low limit 
•  Permitted high limit 
•  24 VDC 
•  19.2 V 
•  28.8 V 
Current consumption 
•  From 24 VDC (external) 
•  From backplane bus (3.3 V) 
•  250 mA (typ.) 
•  4 mA (typ.) 
Overvoltage category according to 
Category I 
Permitted ambient conditions 
Ambient temperature  During operation with the rack in-
0 .. + 60 °C 
During operation with the rack in-
0 .. + 50 °C 
≤ 95 % at 25 °C, no condensation 
Design, dimensions and weight 
Weight 
•  Without bus adapter 
•  With bus adapter 2xRJ45 
 
•  180 g 
•  230 g 
Mean Time Between Failures (MTBF) 
•  At + 40 °C 
•  At + 60 °C 
•  56.87 years 
•  24.78 years 
 For details of the cable lengths see ET 200SP system manual, /2/ (Page 119). 
 You will find additional properties and performance data in the section Application and 
functions (Page 11).