Sigmadue - microPAC MP-01 - User manual
52
A-1-1 Configuring the X0 Port
The
X0
Service Port can be used to configure the CPU ad its devices using a VT100
terminal. The RJ45 RS232/485 Service Port connector is located in the upper side
(on the right) of the CPU. The 8 contacts are arranged as illustrated in the drawing.
The signals present at the RJ45 connector of the
Service Port are:
Some parameters of the Service Port can be
configured using selectors 4...8 of the microswitch block. Please note that the
ON/OFF position of the selectors is shown by an arrow printed on the selectors block.
The following table describes the possible options:
The default communication parameters for the X0 port are (RS232 and RS485):
- Baud Rate: 9600 bps;
- Data: 8 bit;
- Stop bit: 1;
- Parity: none;
- Flow Control: none.
The serial port communication parameters can be changed during the CPU Setup
Session (see paragraph:
“Serial Setup Menu”
on page 12 for details).
WARNING
If the communication parameters are changed during the CPU Setup Session, the
communication parameters of the connected devices must be changed in accordance.
Caution
The RS232 cable must be shorter than 15 m.
Pin Signal
1D+ (RS485)
2 D- (RS485)
3 GND (RS485)
4 GND (RS232)
5 RX (RS232)
6 TX (RS232)
7NC
8NC
Selector ON OFF
4 RS232 enabled RS232 disabled
5 RS485 RS232
6
Termination resistance (ON/OFF)
(110Ω) (default disabled = OFF)
7
Line polarization Pull-Down (ON/OFF)
(default disabled = OFF)
8
Line polarization Pull-Up(ON/OFF)
(default disabled = OFF)
Front side
of the CPU
Female RJ45
RS232/485
service port
connector
Upper side
X0
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