Grundfos CIU 501 User Manual

English (GB)
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A register value of 0xFFFF indicates "not available".
9.10 Pump 3 register block
Unless otherwise stated, the data type used for counters and
scaled values is always an unsigned integer.
A register value of 0xFFFF indicates "not available".
9.11 Pump 4 register block
Unless otherwise stated, the data type used for counters and scaled values is always an unsigned integer.
00419 ControlSource Enum
Control source of the pump.
0: Unknown
1: Buttons on the pump
2: GENIbus (booster controller)
3: GENIlink/GENIair (from handheld controller)
4: External control.
Note that this data point is not available for Hydro Multi-E model G.
00420 RESERVED - -
Address Register name Scale Notes
Address Register name Scale Notes
00421
Bit 0: AccessMode Bool
Indicates if the pump is locally or remotely controlled.
0: Local, controlled by buttons on pump
1: Remote, controlled by the booster system.
Note that this bit is not available for Hydro Multi-E model G.
Bit 1: OnOff Bool
Indicates if the pump is on or off.
0: Off
1: On.
Bit 2: Fault Bool
Indicates if a pump has a fault or not.
0: No fault
1: Fault.
00422 AlarmCode Unscaled
The Grundfos-specific alarm code.
See section 16. Grundfos alarm and warning codes.
00423
00424
OperationTimeHI
OperationTimeLO
1 hour Operating time of the pump.
00425 Speed 0.01 %
Speed of the pump motor.
Note that this data point is not available for Hydro Multi-E model G.
00426 LineCurrent 0.1 A
Average value of line currents on the pump.
Note that this bit is not available for Hydro Multi-E model G.
00427 Power 10 W
Power consumption of the pump.
Note that this bit is not available for Hydro Multi-E model G.
00428 MotorTemperature 0.01 K
Motor temperature of the pump.
Note that this bit is not available for Hydro Multi-E model G.
00429 ControlSource Enum
Control source of the pump.
0: Unknown
1: Buttons on the pump
2: GENIbus (booster controller)
3: GENIlink/GENIair (from handheld controller)
4: External control.
Note that this bit is not available for Hydro Multi-E model G.
00430 RESERVED - -
Address Register name Scale Notes
00431
Bit 0: AccessMode Bool
Indicates if the pump is locally or remotely controlled.
0: Local, controlled by buttons on pump
1: Remote, controlled by the booster system.
Note that this bit is not available for Hydro Multi-E model G.
Bit 1: OnOff Bool
Indicates if the pump is on or off.
0: Off
1: On.
Bit 2: Fault Bool
Indicates if a pump has a fault or not.
0: No fault
1: Fault.
00432 AlarmCode Unscaled
The Grundfos-specific alarm code.
See section 16. Grundfos alarm and warning codes.
00433
00434
OperationTimeHI
OperationTimeLO
1 hour Operating time of the pump.
00435 Speed 0.01 %
Speed of the pump motor.
Note that this data point is not available for Hydro Multi-E model G.

Grundfos CIU 501 Specifications

General

Type	CIU 501
Enclosure class	IP65
Power supply	24 V DC
Weight	0.5 kg
Communication	Modbus RTU
Storage temperature range	-40°C to +70°C
Relative humidity	5% to 95%
Housing material	Polycarbonate
Protection class	Class II