Setting The Master Modbus Serial Port; Modbus Object Summary Page - gefran 850 Installation And Instruction Manual

5.19.3. Setting the Master Modbus serial port

GF_eXpress may be used to set the communication speed
(MASTER_KBAU=19200, 38400, 57600, 115200 baud),
parity type (MASTER_PAR=NO_PARITY, ODD, EVEN) and
timeout (MASTER_TIM=60...1000ms) of the Master Modbus
serial.
Information on Master device variables appears in the
section on the left:
• "OUT" column: name of the parameter sent (ONLY
in the case of a writing oforation).
• "MAS" column: value of the parameter written and\
or read.
• "ERR" column: status of communication with the
slave device..
• "UPD" column: real parameter update time
.
• "ACCESS" column: type of oforation configured:
Write Only:
Read Only:
Read and Write:
80209C_MHW_850-1650-1850_01-2020_ENG_pag. 244

5.19.4. Modbus object summary page

The "Overview" page in the Master Communication section
of GF_eXpress may be used to obtain an overview of the
Modbus parameters the device is exchanging with the
connected nodes.
The parameters set for communication with the Slave
node(s) appear on the right:
• "NODE" column:
• "ADDRESS" column:
• "DESCRIPTION" column: description of the object to be
number of the Slave node with
which to conduct Modbus
communication
Modbus address of the para-
meter to be exchanged (in read
and\or write mode)
exchanged (in read and\or write
mode)