Additional status, High alarm – Badger Meter SRD/SRI Valve Positioners User Manual

Page 87

ADDITIONAL STATUS

The additional status contains 4 bytes of Status for the SRD991 .
These bytes may be reset via a reset status under the test menu . This action will also clear the More Status flag within the

Secondary Status and the SSTAT-Err flag within the Primary Status, if the Secondary Status is empty .
Byte 1 contains system errors. The individual bits of the status byte are defined below . When the specified condition exists,

the status bit will be set to One otherwise, the status bit will be Zero . Byte 3 contains the same information but historically -

that is the condition existed but has been cleared .

Output

Supply

Autostart

Control

LowLow

HiHi

Low

High

Press

Fail

Diff

Alarm

• Bit 6 - Feedback failed; the feedback lever or coupling is out of range
• Bit 5 - Trimming of Input Loop Current failed; uncertain range in use
• Bit 4 - Cycle Count Limit reached; enough cycles completed to warrant planned maintenance
• Bit 3 - Travel Sum Limit reached; enough cycles accumulated to warrant planned maintenance
• Bit 2 - Configuration not valid
• Bit 1 - Device temperature too low
• Bit 0 - Device temperature too high
Byte 2 contains process errors. When the specified condition exists, the status bit will be set to One otherwise, the status bit

will be Zero . Byte 4 is again a historical version of byte 2 .

Output

Supply

Autostart

Control

LowLow

HiHi

Low

High

Press

Fail

Diff

Alarm

• Bit 7 - Output Pressure Alarm; pressure is out of range
• Bit 6 - Air Supply Pressure Alarm; pressure is out of range
• Bit 5 - Auto start failed; positioner operation will only be correct if fully set up manually .
• Bit 4 - Control difference out of limit; operation sluggish or not possible, may be untuned
• Bit 3 - Travel Position low low alarm
• Bit 2 - Travel Position high high alarm
• Bit 1 - Travel Position low alarm
• Bit 0 - Travel Position high alarm

High Alarm

This is a 4-byte real, expressed as percentage of stroke . When the valve position exceeds this parameter, the Hi Alarm status

bit in the secondary device status will be set . Default for this parameter is 110% .

Control Diff

LoLo Alarm

HiHi Alarm

Low Alarm

High Alarm

NOT USED

More Status

Failsafe

Timeout

Additional Status

Page 87

August 2014

POS-UM-00011-EN-02