Grundfos CU 362 Instrucciones De Instalación Y Funcionamiento página 22

The connection between the radio modem and the CIM 200
Modbus module is established by using an RS-485 serial cable.
4
5
Radio modem connection via Modbus RTU
Pos. Designation
1 Common/GND
2 D0
3 D1
4 -
5 -
6.4 I/O settings
This section describes how to set up inputs, outputs and alarm
relays.
The displays shown in the following sections are to be
regarded as examples.
The display shown may differ from the current display on
the CU 362 as the display depends on the installed
components and the actual configuration of the system.
This display shows the options in menu "I/O settings".
Path:Settings > I/O settings >
22
3
2
1
CIM 200
Description
Modbus terminal (common/GND)
Modbus terminal D0 (negative
data signal)
Modbus terminal D1 (positive
data signal)
Radio modem
Power supply
I/O settings
6.4.1 Analog inputs
The analog input to be set is selected in this display.
As standard, there are five analog inputs. The display shows each
input so that its physical location can be quickly identified.
Example
The AI1 analog input on the CU 362 (designated terminal 51) is
linked to the function "Level, pressure".
AI1 (CU 362) [51] and AI1 (IO351B-41) [57].
Input Control unit/module
AI1 CU 362
AI1 IO 351B
Path:Settings > I/O settings > Analog inputs >
Analog inputs
Analog input, configuration
The analog input to be set is selected in this display.
Each analog input has its own display. The number of displays
depends on the number of analog inputs.
Terminal
51
57