Parker AC890PX Series, Engineering Reference

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A p p e n d i x D : P r o g r a m m i n g
D-47
AC890PX AC Drive
FIREWIRE
SETUP:: COMMS::FIREWIRE
The Firewire block parameterises Firewire communications, providing a series of diagnostics. There are no user settable parameters in this block.
Parameter Descriptions
OWN ID PREF: 117.01 Default: 99 Range: —.
FireWire network ID of the drive. This is the physical address, not the net address, as declared as part of the DSE Configuration. Note that this
network ID can change after a Bus Reset.
IRM ID PREF: 117.02 Default: 99 Range: —.
FireWire network ID of the drive acting as the Isochronous Resource Manager. The IRM ID can change after a Bus Reset.
NUMBER OF NODES PREF: 117.03 Default: 0 Range: —.
Total number of Firewire Nodes connected to the network..
CYCLE TIMER PREF: 117.04 Default: 0 Range: —.
Timer which should be synchronised across the Firewire network.
BUS RESETS PREF: 117.05 Default: 0 Range: —.
Number of times the Firewire bus has reset.
BAD MESSAGES PREF: 117.13 Default: 0 Range: —.
Number of incoming Firewire messages that are received malformed. An incrementing value may indicate that the Firewire cabling needs attention.
MISSED TX ACKS
PREF: 117.14 Default: 0 Range: —.
Number of outgoing Firewire messages that are not acknowledged. An incrementing value may indicate that the Firewire cabling needs attention.
MCAP ADVERTS PREF: 117.06 Default: 0 Range: —.
Count of Multicast Advertisements sent from this node.
MAX HOPS PREF: 117.07 Default: 0 Range: —.
Maximum number of cable hops from this node to all other nodes.
OFFSET (40.69ns) PREF: 117.08 Default: 0 Range: —.
Time delay between this node and the node hosting the Cycle Time Master.