Function description
Operating Manual PSS67 IO1 16FDI
1004417-EN-03
13
Periphery supply
Device supply (X31)
Load supply (X31)
24 V
5 V
Logic
Test
pulse
Module supply
24 VDC
0 VDC
24 VDC
0 VDC
Device supply (X32)
Load supply (X32)
Fig.: Representation of the internal voltages
4.2
Head module
4.2.1
Connection to SafetyNET p
Functions
}
The SafetyNET p interface enables the device to be controlled by means of a higher
level control system (e.g. PSSu PLC).
}
The head module in the PSS67 device receives signals from a higher level control sys-
tem and forwards them to the input modules on the PSS67 device.
}
The head module in the PSS67 device receives signals from the input modules via the
internal module bus and forwards them to a higher level control system.
MAC address
}
The PSS67 device has a MAC address:
– MAC address of PSS67 device. You'll find the address on the front of the PSS67
device.
INFORMATION
Further information on SafetyNET p can be found in the "PSS 4000 System
Description".
4.2.2
Integrated protection mechanisms
The PSS67 device has the following protection mechanisms:
}
Multi-channel diverse processor section
}
Cyclical self tests
}
Potentially isolated
SafetyNET p
interface
}
Temperature monitoring
