JUMO PCA Communications Software PCC (B 70.9702.0) - Manual (Page 30)

5 Device Management
30
Serial
interface The following parameters must be selected.
CPU Activate check
yes/no If check is active, the
device will only be
connected if the CPU
number matches.
Path Activate check
yes/no If check is active, the
device will only be
connected if the USB
path matches.
Connected to COM1, COM2 The PC interface to
which the device is
connected.
Transfer rate 9600, 19200, 38400 The transfer rate must
match the one that has
been set in the device.
Control signal RS232 If the RS232 interface
on the device or an
interface converter with
an automatic transmit/
receive changeover 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.
Recommendation: Use
a Spectra converter with
an automatic transmit/
receive changeover.
RS422-DTR
RS485-RTS
RS485-DTR
Communication
protocol Modbus protocol The
Modbus protocol
must be set here.
Device address 1 … 254 Device address for the
Modbus protocol.
If the “RS232 setup
interface” is used as the
control signal, then the
device address is
ignored – it does not
have to match the
address in the device.