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User Manual UMAX030541. Version V1 46-116
3.2.5 Object 100Ch: Guard Time
The objects at index 100Ch and 100Dh shall indicate the configured guard time respective
to the life time factor. The life time factor multiplied with the guard time gives the life time
for the life guarding protocol described in DS-301. The Guard Time value shall be given
in multiples of ms, and a value of 0000h shall disable the life guarding.
It should be noted that this object, and that of 100Dh are only supported for backwards
compatibility. The standard recommends that newer networks do not use the life guarding
protocol, but rather heartbeat monitoring instead. Both life guarding and heartbeats can
NOT be active simultaneously.
Object Description
Index
100Ch
Name
Guard Time
Object Type
VAR
Data Type
UNSIGNED16
Entry Description
Sub-Index
0h
Access
RW
PDO Mapping
No
Value Range
0 to 65535
Default Value
0
3.2.6 Object 100Dh: Life Time Factor
The life time factor multiplied with the guard time gives the life time for the life guarding
protocol. A value of 00h shall disable life guarding.
Object Description
Index
100Dh
Name
Life Time Factor
Object Type
VAR
Data Type
UNSIGNED8
Entry Description
Sub-Index
0h
Access
RW
PDO Mapping
No
Value Range
0 to 255
Default Value
0