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Grundfos CIU 501 User Manual

Grundfos CIU 501
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English (GB)
22
9.6 Status register block
Registers in this register block can be read by means of function
codes 0x03 and/or 0x04. They are read-only.
Address Register name Description
Multi-B
MPC
DDD
Multi-E model G
Multi-E/TPED model H and later
MAGNA3-D
00201
Bit 0: RESERVED -
Bit 1: CopyToLocal Copies remote settings to local settings. 1: Enable, 0: Disable. ----
Bit 2:
ResetAccCountersAck
Acknowledgement of ResetAccCounters (volume and energy).
0: No acknowledgement
1: Command acknowledged.
This functionality is only used when AutoAcknowledgeEvents is
disabled. See section 9.2 CIM configuration register block.
-●●-●
Bit 3: ResetAlarmAck
Indicates if a ResetAlarm command was acknowledged by the device.
This bit is set when the module or unit have accepted a ResetAlarm
command, and the programmer can clear the ResetAlarm bit. The
CIM/CIU will automatically clear the ResetAlarmAck bit to 0 when the
master device clears the ResetAlarm bit, and you can attempt a new
ResetAlarm command by raising the ResetAlarm bit again.
0: No acknowledgement
1: Command acknowledged.
This functionality is only used when AutoAcknowledgeEvents is
disabled. See section 9.2 CIM configuration register block.
●●●●●●
Bit 4: SetpointInfluence
Setpoint influence status
0: No setpoint influence
1: Setpoint influence active
-●●-●
Bit 5: AtMaxPower
Running at power limit
0: Not at power limit
1: At power limit
----
Bit 6: Rotation
Indicates if any pumps are rotating (running) or not.
0: No rotation
1: Rotation.
●●●●●●
Bit 7: RESERVED -
Bit 8: AccessMode
Indicates if the booster system is locally or remotely controlled.
0: Local (a local control source with higher priority controls the system)
1: Remote (controlled by Modbus master).
●●●●●●
Bit 9: OnOff
Indicates if the booster system is on or off.
0: Off (stopped, the green LED on the booster system flashes)
1: On (started, the green LED on the booster system is on).
"Started" does not necessarily indicate rotation, for instance in case of
low-flow stop.
●●●●●●
Bit 10: Alarm
Indicates if there is an alarm or not.
0: No alarm
1: Alarm (red LED on the booster system is on).
●●●●●●
Bit 11: Warning
Indicates if there is a warning or not.
0: No warning
1: Warning (red LED on the booster system is on).
The system will continue running even if there is a warning.
●●●- ●●
Bit 12: RESERVED -
Bit 13: AtMaxSpeed
Indicates if the system is running at maximum speed.
0: No
1: Yes.
-●-●
Bit 14: RESERVED -
Bit 15: AtMinSpeed
Indicates if the system is running at minimum speed.
0: No
1: Yes.
-●-●

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Grundfos CIU 501 Specifications

General IconGeneral
BrandGrundfos
ModelCIU 501
CategoryController
LanguageEnglish

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