4. Specifications
4.1 CIM module
General data Description Comments
Ambient humidity 30 % to 95 % Relative, non-condensing.
Operating temperature -20 to +45 °C
Storage temperature -25 to +70 °C
Battery, lithium-ion
You can only charge the battery if the battery
temperature is between 0 and 45 °C.
CIM 260 only.
GENIbus visual diagnostics LED2
The LED will be in one of these states:
Off, permanently green, flashing red, permanently red.
Power supply (CIU) 24-240 V Located in the unit.
GENIbus connection type (CIU) RS-485, 3-wire + screen Conductors: A, B and Y.
CIU box enclosure class IP54
CIU box dimensions (H × W × D) 182 × 108 × 82 mm
Related information
5.5 Status LEDs
4.2 CIM 200 Modbus RTU
The table below provides an overview of the specifications for Grundfos CIM 200 and CIU 200. For further details, refer to the specific sections
of this functional profile.
Modbus RTU specifications
Description Comments
Modbus connector Screw-type terminal 3 pins.
Modbus connection type RS-485, 2-wire + common Conductors: D0, D1 and Common.
Maximum cable length 1200 m Equals 4000 ft.
Slave address 1-247 Set via rotary switches SW6 and SW7.
Line termination On or Off Set via DIP switches SW1 and SW2.
Recommended cable cross-section
0.20 - 0.25 mm
2
AWG24 or AWG23
Supported transmission speeds
1200
1)
, 2400
1)
, 4800
1)
,
9600, 19200, 38400 bit/s
Set via DIP switches SW4 and SW5.
Start bit 1 Fixed value.
Data bits 8 Fixed value.
Stop bits 1 or 2 Set via DIP switch SW3.
Parity bit
Even parity, odd parity
1)
or no parity
Set via DIP switch SW3.
Modbus visual diagnostics LED1 Off, flashing green, flashing red, permanently red.
Maximum number of Modbus devices 32
Using repeaters, you can increase this number.
Legal address range is 1-247.
Maximum Modbus telegram size 256 bytes Total length. Node address and CRC included.
1)
Can only be set via software.
Related information
5. CIM 200 Modbus RTU setup
5.1 Setting the Modbus transmission speed
5.2 Setting the stop bits and the parity bit
5.3 Modbus address selection
5.4 Termination resistor
5.5 Status LEDs
13. Modbus RTU telegram examples
7
English (GB)
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