Instruction Manual
Table Of Contents
- 1. Introduction
- 2. Safety Precautions
- 3. FOUNDATION FIELDBUS
- 3-1 About Foundation Fieldbus
- 3-2 Getting started
- 3-3 Configuration
- 3-4 In-process operation
- 3-5 Device status
- 3-6 List of parameters for each block of the EXA
- 3-7 Application setting and change of basic parameters
- 3-8 Operation of each parameter in failure mode
- 4. PROFIBUS
- APPENDIX 1. LINK MASTER FUNCTIONS
- Revision Record
- Supplement

IM 12A00A01-61E
Foundation Fieldbus 3-31
3-31
Relative Parameter Factory Write
Index Name Default Mode Explanation
22 ALARM_SUM – – The current alert status, unacknowledged states, unreported states, and
disabled states of the alarms associated with the function block.
23 ACK_OPTION 0xFFFF AUTO Selection of whether alarms associated with the block will be automatically
acknowledged.
24 ALARM_HYS 0.5% AUTO Amount the PV must return within the alarm limits before the alarm condition
clears. Alarm Hysteresis is expressed as a percent of the PV span.
25 HI_HI_PRI 0 AUTO Priority of the high high alarm.
26 HI_HI_LIM +INF AUTO The setting for high high alarm in engineering units.
27 HI_PRI 0 AUTO Priority of the high alarm.
28 HI_LIM +INF AUTO The setting for high alarm in engineering units.
29 LO_PRI 0 AUTO Priority of the low alarm.
30 LO_LIM -INF AUTO The setting for the low alarm in engineering units.
31 LO_LO_PRI 0 AUTO Priority of the low low alarm.
32 LO_LO_LIM -INF AUTO The setting of the low low alarm in engineering units.
33 HI_HI_ALM – – The status for high high alarm and its associated time stamp.
34 HI_ALM – – The status for high alarm and its associated time stamp.
35 LO_ALM – – The status of the low alarm and its associated time stamp.
36 LO_LO_ALM – – The status of the low low alarm and its associated time stamp.