Modbus Slave; Update Software - Grundfos DID Instrucciones De Instalación Y Funcionamiento

9.4.5 MODBUS slave

If the CU 382 is used as a Modbus slave, the connection settings
can be configured in the "MODBUS slave" menu.
MODBUS slave
Address:
►
Parity:
Baudrate:
Address:
The Modbus ID. The address of each device must
be unique in the Modbus environment (1-247)
Parity:
The parity of the communication with RS 485 bus
(Even, Odd, none)
Baudrate:
The baud rate of the communication with RS 485
bus (9600, 19200, 38400, 57600)
Changing the Modbus address
1. Select "Address: " with the [Up] and [Down] buttons.
Confirm with [OK].
2. Change the address value with the [Up] and [Down] buttons.
Confirm with [OK].
Changing the parity
1. Select "Parity: " with the [Up] and [Down] buttons. Confirm
with [OK].
2. Change the parity with the [Up] and [Down] buttons. Confirm
with [OK].
Changing the baud rate
1. Select "Baudrate: " with the [Up] and [Down] buttons.
Confirm with [OK].
2. Change the baud rate with the [Up] and [Down] buttons.
Confirm with [OK].

9.4.6 Update software

The operating software of the CU 382 control unit can be updated
in the field with a USB stick. See also section
software
.
• To activate the software, press the [Function] button and keep
it pressed.
Update software
Press FUNC key and
keep pressed!
9.4.7 Select language...
Select language...
English
►
Deutsch
Francais
Changing the operating language of the CU 382 control unit
1. Select the desired language with the [Up] and [Down] buttons.
2. Confirm the new language with [OK].
9.4.8 Service
►
1
Odd
38400
Use the "Access code:
►
►
►
The "Service" menu allows the following:
4-20mA Outputs
Update
9.4.6
0/4-20mA Inputs
Digital Outputs
Digital Input
Internal Sensors
USB
Date/Time...
Hardware
Communication testCheck the communication with the sensors
Modules
Setup
Access code:
" "0001" to open the "Service" menu.
Service
4-20mA Outputs
0/4-20mA Inputs
Digital Outputs
Digital Input
Internal Sensors
Service
Digital Input
Internal Sensors
USB
Date/Time...
Hardware
Service
Date/Time...
Hardware
Communication test
Modules
Test and recalibrate the 4-20 mA outputs
Test and recalibrate the 0/4-20 mA inputs
Switch all digital outputs manually
Read in all digital inputs
Read in all internal sensors
Measure the performance of the USB stick
Set the time and the date
Read out the hardware revision
and external devices
Check the integrated plug-in modules
0001
17