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Rockwell Automation 1440-TPS02-01RB XM-320 Position Module User Manual

Page 108

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Publication GMSI10-UM005C-EN-P - May 2010

100 DeviceNet Objects

6

Get

Threshold Units

USINT

Indicates whether the
threshold and hysteresis
value are specified in
units of measure.

Set to 1
1 = Measurement units

7

Get/Set

Condition

USINT

Indicates on which side of
the threshold values the
alarm and danger
conditions exist.

0 = Greater than
1 = Less than
2 = Inside range
3 = Outside range

8

Get/Set

Alert Threshold
(High)

REAL

The threshold value for
the alert (alarm) condition
(greater threshold for
range types).

9

Get/Set

Danger Threshold
(High)

REAL

The threshold value for
the danger (shutdown)
condition (greater
threshold for range types).

10

Get/Set

Alert Threshold
Low

REAL

The lesser threshold value
for the alert (alarm)
condition for the range
condition types.

11

Get/Set

Danger Threshold
Low

REAL

The lesser threshold value
for the danger (shutdown)
condition for the range
condition types.

12

Get/Set

Hysteresis

REAL

The amount on the safe
side of a threshold by
which the value must
recover to clear the alarm.

13

Get/Set

Threshold (Setpoint
Multiplier)

REAL

Indicates how the
thresholds should be
adjusted when the
setpoint multiplication
function is invoked.

0 = Disable alarm
> 0 = Multiply the thresholds by
the value

14

Get/Set

Startup Period

UINT

The amount of time that
the Threshold (Setpoint)
Multiplier is applied after
the startup signal is
received.

Seconds

18

Get/Set

Name

STRING2

A name to help identify
this alarm.

Table C.31 Alarm Object Instance Attributes

Attr ID

Access
Rule

Name Data

Type

Description

Semantics