User Manual
  Catalog E 074441  01/06  Edition 4  www.erni.com  17
ERbic SafetyBUS p
The SafetyBus p utilizes the advantages of the CAN bus. A 
protocol has been developed by Pilz that satisfies safety engi-
neering requirements. 
A larger cable cross section of 0.75 mm2 is specified to 
cover longer distances. Only the 3 conductors necessary for 
the bus are terminated within the connector (HLG).
Electrical and mechanical characteristics
Interface connector  D-Sub, 9-pin, female
D-Sub female  Class 2
Cable termination  2 x horizontal
    1 cable outlet can be sealed with blanking plate
Cable diameter  4.5 mm (0.177”) – 8.0 mm (0.315”)
Cross section of individual conductor  Max. 1.5 mm
2
Termination type  Screw terminal
Data transmission rate  According to CAN specification, max. 1 Mbit/s
Temperature range  -20 °C – +70 °C
Permissible humidity  Max. 75 % at +25 °C, non-condensing
Protection class  IP 40
Housing material  Thermoplast UL94V-1
D-Sub screw  #4/40 UNC, knurled with cross-head
UL approval  UL E84703 *
CE marking  ERbic connectors are passive components and do not need 
    to be identified with the CE marking according to EU direc-   
  tives.
Pin configuration (HLG-Version)
Terminal  D-Sub Pin  Signal
1 3  CAN-GND
2 2  CAN-L
3 7  CAN-H
- 5  CAN-SHLD
* Due to continuous advancement, it is possible that the UL approval of a new version may not have been completed at the time of going 
to press.










