HIMA HIQuad X - System Bus Redundancy

Redundancy System
Page 66 of 110 HI 803 211 E Rev. 1.01.00
5.2.1 Module Redundancy
Two I/O modules of the same type can be combined in the SILworX Hardware Editor to form a
redundancy group. To ensure that availability of HIQuad X is increased as required, the I/O
modules of the redundancy group must be inserted in different racks:
i
To increase availability of HIQuad X, redundant I/O modules must be inserted in different racks:
5.2.2 Channel Redundancy
Channel redundancy is only possible within a redundancy group. Only channels with the same
channel number can be defined as redundant. In such cases, the programming tool
automatically allocates a global variable, which is assigned to a channel (channel number), to
both channels of the redundant modules. Refer to the Hardware Editor section of the SILworX
online help for more details.
5.3 System Bus Redundancy
The HIQuad X system can be operated with redundant system bus A and system bus B, see
Chapter 3.
Requirements for redundant operation:
 Use of 2 processor modules per base rack.
 Suitable configuration in the programming tool.
 Connection of the racks in a controller, see Chapter 3.
5.4 Communication Redundancy
For more information, refer to the SILworX online help and communication manual
(HI 801 101 E).
5.4.1 safeethernet
Redundancy is configured in the SILworX safeethernet Editor. A communication connection is
redundant if two identical physical transmission paths exist.
5.4.2 Standard Protocols
If standard protocols are used, the user program must manage redundancy, except for Modbus
slaves.