14 .4 redundancy id’s – KROHNE Summit 8800 Vol 2 User Manual

Page 176

Advertising
background image

176

www.krohne.com

08/2013 - MA SUMMIT 8800 Vol2 R02 en

SUMMIT 8800

REDUNDANCY

14

14 .4 Redundancy ID’s

Figure 199 Redundancy ID’s

The following ID’s are important:

My state

The state of this flow computer: N/A, duty or stand-by

Other state

The state of the associated flow computer

My health

The health of this flow computer in %

Other health

The health of the associated flow computer.

• Normally this is the “Other state (R)”

• If there is a comms alarm with no time deviation exceeded this is “Other

state (W)”

• If there is a comms alarm with time deviation exceeded this is “invalid”

Other state (R)

The state of other computer as received via modbus master (read from the

other)

Other health (R)

The health of the other computer as received via modbus master (read from the

other)

Other state (W)

The state of other computer as received via the modbus slave (written by the

other)

Other health (W)

The health of the other computer as received via the modbus slave (written by

the other)

Time (W)

The time of the other computer as received via the modbus slave (written by the

other)

State output

Set when “my state” is duty

Advertising