West Control Solutions DataVU 5 - Manual (Page 94)

5 Setup program
94
Transmission rate 9600, 19200, 38400 The transmission rate
must match the one set
in the device. If “RS232
setup interface (TTL)”
has been selected as
the control signal, then
9600 must be set.
Control signal RS232 If the RS232 interface
on the device is used.
RS232 setup interface
(TTL) If the setup interface on
the device is used.
RS422-RTS If the RS422/485
interface on the device
is used.
RS422-DTR
RS485-RTS
RS485-DTR
Expanded Stop bit and
parity The parameters under
the “Expanded” button
must also match those
in the device.
Standard and obligatory
setting for the control
signal “RS232 setup
interface (TTL)”:
Stop bit = 1
Parity = none
Communications
protocol Modbus TCP/IP,
Modbus protocol Set the Modbus
protocol here.
Device address 1 — 255
(255 can only be set if
just one device is
connected to the
interface) Device address for the
Modbus protocol. If the
“RS232setup interface”
is used as the control
signal, then the device
address will be ignored
– it does not have to
match the address in
the device.
Communications
password 0 The communications
password must match
that set in the device.
Exception:
Communication via the
setup interface can
always be established
without a
communications
password.