Grundfos CIU 501 Instructions

English (GB)
18
9.3 CIM status register block
Registers in this block can be read by means of function codes
0x03 and/or 0x04. They are read-only. This block can be used for
various kinds of fault finding.
9.4 Pump control register block
Registers in this block can be read by means of function codes
0x03 and/or 0x04. They can be written as holding registers with
function codes 0x06 and 0x10.
Address Register name Description
CIM
200
CIM
250
CIM
500
00021 GENIbusCRCErrorCnt Holds a CRC error counter for the GENIbus connection to the E-pump. ●●●
00022 GENIbusDataErrorCnt Holds a data error counter for the GENIbus connection to the E-pump. ●●●
00023 VersionNumber A Grundfos-specific version number. This is an unsigned integer value. ●●●
00024 ActualModbusAddress
Holds the current Modbus slave address of the device.
Valid value range: 1…247.
●●●
00025
00026
GENIbusTXcountHI
GENIbusTXcountLO
Holds a transmit counter for total number of telegrams sent to the
E-pump on the GENIbus connection.
●●●
00027
00028
GENIbusRXcountHI
GENIbusRXcountLO
Holds a receive counter for total number of telegrams received from the
E-pump on the GENIbus connection.
●●●
00029
GeneralStatus
Bit 0: ScadaPinCodeEnabled
PIN code functionality.
0: No PIN code required.
1: PIN code required to perform remote control and configuration.
Activation of SCADA PIN code protection takes place via the SMS
command SCADACODE. See "CIM 25X SMS commands"
(supplement to the installation and operating instructions) on the
CD-ROM supplied with the GSM module.
- ● -
GeneralStatus
Bit 1: WriteAccess
Remote write access.
0: No write access (the PIN code is incorrect)
1: Full write access (the PIN code is either correct or not enabled).
00030 UnitFamily Grundfos product family. ●●●
00031 UnitType Grundfos product type. ●●●
00032 UnitVersion Grundfos product version. ●●●
Address Register name Description
00101
Bit 0: RemoteAccessReq
Control bit that sets local or remote control.
0: Local
1: Remote (controlled by Modbus master).
This bit must be set to 1 if the E-pump is to be controlled by a Modbus master.
Bit 1: OnOffReq
Control bit that switches the E-pump on or off.
0: Off (stop)
1: On (start).
Bit 2: ResetAlarm
Control bit that resets alarms and warnings from the E-pump.
0: No resetting
1: Resetting alarm.
This control bit is triggered on rising edge only, i.e. setting logical 0 to 1.
See section 9.2 CIM configuration register block, address 00005, for acknowledgement
behaviour.
Bit 4: CopyToLocal
Copies remote settings to local pump settings.
Only available on MAGNA3 and MGE model H.
0: Disabled
1: Enabled.
Bit 5: EnableMaxFlowLimit
Enables or disables the FLOW
LIMIT
function. Set the maximum flow limit value in register
00106. Only available on MAGNA3 and MGE model H.
0: Disabled (only used in control mode FLOW
ADAPT
)
1: Enabled (used in all control modes).
Bits 6-15: RESERVED -

Grundfos CIU 501 Specifications

General

Brand	Grundfos
Model	CIU 501
Category	Controller
Language	English