Endress+Hauser Deltabar PMD75B - System Redundancy S2

System integration Deltabar PMD75B PROFINET with Ethernet-APL
44 Endress+Hauser
Status Coding (hex) Meaning
GOOD - Maintenance demanded 0xA8 The measured value is valid.
It is highly advisable to service the device in the near future.
GOOD - Function check 0xBC The measured value is valid.
The device performs an internal function check. The function check does
not have any noticeable effect on the process.
8.3.4 Startup configuration
Startup configuration
(NSU)
The automation system adopts the configuration of the most important parameters of the device.
• Management:
• Display operation
• Web server functionality
• Bluetooth activation
• Service CDI
• System units:
• Pressure unit
• Temperature unit
• Scaled variable unit
• Process:
Damping
• Alarm delay
• Diagnostic settings
• Diagnostic behavior for diverse diagnostic information
8.4 System redundancy S2
A redundant layout with two automation systems is necessary for processes that are in
continuous operation. If one system fails the second system guarantees continued,
uninterrupted operation. The device supports S2 system redundancy and can communicate
simultaneously with both automation systems.
4
1
3
2
5
5
A0046154
 8 Example of the layout of a redundant system (S2): star topology
1 Automation system 1
2 Synchronization of automation systems
3 Automation system 2
4 Ethernet-APL Field Switch
5 Device
All the devices in the network must support S2 system redundancy.