InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf,
©ComAp – April 2015
193
11.2.3.4
Setpoint: RS232(1) mode
Group
Comms settings
Range [units]
DIRECT, MODEM (HW), MODEM (SW), MODBUS-DIRECT, MODBUS-
MDM(HW), ECU LINK [-]
Related FW
standard v3.1.0
Description
This setpoint selects the connection type for the serial port COM1.
Available as RS232 in all controller types.
Available also as RS485 in the IG-NT if the external display bus is
not used. Selectable by the setpoint
IG-NT-BB, IG-NTC-BB, IS-NTC-BB and IS-NT - see
).
See the diagram of all related terminals in the chapter
Communication
.
DIRECT
Connection to a local PC via RS232 or RS485
(with internal or external converter) interface.
Use this option also for IG-IB connected via
RS232 cable. The internal RS485 converter is
enabled/disabled by the setpoint
MODEM
(HW)
Modem point-to-point connection to a remote
PC with hardware data flow control using
signals RTS/CTS. Full modem cable is required
for this option.
MODEM
(SW)
Modem point-to-point connection to a remote
PC with software data flow control. 3-wire cable
(RX, TX, GND) is sufficient for this option. Use
this option only if your modem does not provide
RTS/CTS signals.
MODBUS
Modbus RTU connection in slave mode via
RS232 or RS485 (with internal or external
converter) interface. The internal RS485
converter is enabled/disabled by the setpoint
, the communication speed is
adjustable by the setpoint
See the latest communication guide for more
information about MODBUS protocol.
MODBUS-MDM(HW)
Modbus RTU connection in slave mode via
modem with hardware data flow control. The
communication speed is adjustable by the
setpoint
. See the latest