6 9202MCM101
4511 Modbus Configuration Parameter List
Parameter
Name
No.
Register
Address
Register
Size
Read/
Write
Type Description Values
ENABLE MODBUS 1 3000 1 R/W INTEGER
Enable Modbus communication.
If disabled, 4511 ignores all frames sent
from the Modbus master and the only way to
re-enable Modbus communication is by using the
4511 menu.
NO = 0
YES = 1
BAUDRATE 2 3001 1 R/W INTEGER
The baud value used for
Modbus communication
2400 BAUD = 0
4800 BAUD = 1
9600 BAUD = 2
19200 BAUD = 3
38400 BAUD = 4
57600 BAUD = 5
115200 BAUD = 6
ENABLE
AUTOBAUD
3 3002 1 R/W INTEGER
Enable automatic baudrate detection.
If enabled, 4511 determines the baud
automatically by listening to frames sent
on the Modbus line.
NO = 0
YES = 1
PARITY 4 3003 1 R/W INTEGER Configures parity check on Modbus frames
NONE = 0
EVEN PARITY = 1
ODD PARITY = 2
STOPBITS 5 3004 1 R/W INTEGER
Configures the number of stopbits
in Modbus frames
ONE STOPBIT = 1
TWO STOPBITS = 2
ADDRESS 6 3005 1 R/W INTEGER
Configures the Modbus address of the 4511
(Address 0 is broadcast address)
Range: 1...247
RESPONSE
DELAY
7 3006 1 R/W INTEGER
Configures minimum delay for
Modbus response in ms
Range: 0...1000
4511 Modbus Status Parameter List
Parameter
Name:
Nr.
Register
Address:
Register
Size:
Read/
Write:
Type: Description: Values
AUTOBAUD
STATUS
1 4000 1 RO INTEGER Actual state of automatic baudrate detection
2400 BAUD = 0
4800 BAUD = 1
9600 BAUD = 2
19200 BAUD = 3
38400 BAUD = 4
57600 BAUD = 5
115200 BAUD = 6
SEARCHING = 7
ERROR = 8
IDENTIFY DEVICE 2 4001 1 R/W INTEGER
Enables the device to flash the LCD
background with appr. 4 Hz.
Value will automatically return to NO if
not written within 10 seconds!
NO = 0
YES = 1
MAXIMUM READ
REGISTERS
3 4002 1 RO INTEGER
Maximum allowed number of registers
that can be read in one command, with
the given/detected baudrate
Range: 8...32
4511 Additional Parameter List
Parameter
Name:
Nr.
Register
Address:
Register
Size:
Read/
Write:
Type: Description: Values
ROTATE DEVICE 1 3100 1 R/W INTEGER
Enables the display and key buttons to be used
normally when the host device is mounted
upside down
NO = 0
YES = 1