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This is an optional feature and will only be available if it has been licensed in the key file.
The flowcomputer is the fiscal point of the system. Adding a pair of flowcomputers ensures that the metering station can still run even if a flowcomputer has gone down. Acquire monitors both flowcomputers and automatically switches to the standby machine if the duty machine fails.
The setup of the P&ID and all the screens is done once for the main machine and it is automatically made available to the standby machine.
Note: The configurations in the flow computers must be identical for this to work (as Acquire only maintains one Modbus map).
The STN01 Master Status (Redundancy Mode) field must be present in the Acquire Modbus map so Acquire is able to work out which machine is the current duty and standby machines.
The Assume Master Status Command (Redundancy Mode) field allows Acquire to control which flow computer is the duty.
S600 / S600+
The SYS PEER STAT INPUT field must be present in the Acquire Modbus map so Acquire is able to work out which machine is the current duty and standby machines.
Acquire can determine which flow computer is duty based on the status of the network. If there is a comms fail to the duty machine, Acquire can set the standby machine to become duty.
Duty/Standby is an optional feature of Acquire.