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Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User Manual

Page 86

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Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011

86 DeviceNet Objects

7

Get/Set

Delay

USINT

The time period that the
voting logic must be true
before the relay is
activated.

0 to 25.5 seconds
(specified in tenths of seconds)

8

Get/Set

Name

STRING2

A name to help identify
the relay.

18 characters maximum

9

Get/Set

Alarm Level

BYTE

Specifies what alarm
status values will cause
the relay to activate.

0 = Normal
1 = Alert
2 = Danger
3 = Disarm
4 = Xdcr Fault
5 = Module Fault
6 = Tachometer Fault
7 = Unknown

12

Get/Set

Logic

USINT

Indicates the number of
associated alarms that
must have a status value
specified by Alarm Level
in order to activate the
relay.

The number of alarms that must
meet or exceed the Alarm
Level condition(s) before the
relay is activated.

For example if there are 8
alarms in the Alarm List and
the Logic attribute is set to 3,
the relay will activate when any
3 or more of the 8 alarm
statuses exist at the same time.

13

Get/Set

Alarm List

STRUCT of

A list of Alarms used to
determine the relay
status.

Number

USINT

The number of alarms in
the list.

The number of 3 USINT sets that
follow (1-16). The USINT specify
the device from which the alarm
comes from and the location
within that device’s COS
Assembly where the particular
alarm status is found.

List

Array of
STRUCT of

MAC ID USINT

Specifies the device that
maintains the alarm.

0-63

Byte Offset USINT

Specifies the byte in the
device’s COS Assembly
that contains the alarm
status.

0-255

Bit Offset USINT

Specifies the bit within
the byte where the alarm
status value begins.

Table C.26 Relay Object Instance Attributes

Attr ID

Access
Rule

Name Data

Type

Description

Semantics