2.
Terminal Layouts
Following are the power terminals and the communication connectors assignments.
2.1
Power Terminals
The FX-50DU-TK(S)-C power
terminal on the back of the unit
should be connected to an external
24v DC power supply.
It is also possible to use the service
supply of the MPU if sufficient
power is available.
2.2
RS232C Connector
Used to connect to a printer to print alarm messages or history. Or to connect to a computer
to upload/download screen data, sample data or data bank settings using the
FX-PCS-DU/AT-C software. Or to directly program the MPU using standard programming
software such as MEDOC.
2.3
RS422 Connector
The RS422 connector is used to
connect the FX-50DU-TK(S)-C
to the MPU being monitored. The
FX-40DU-CAB is required for this
purpose.
Note:
The FX-40DU-CAB is
provided separately.
24VDC
Screw size:
M3 (0.12 inch)
Figure: 2.1
FX-50DU-TK(S)-C power terminals
Figure: 2.2
25 pin D shell
(female)
RS232C
RS422
RS232C
RS422
Figure 2.3
FX-50DU-TK(S)-C
communication
connectors
Figure 2.4
9 pin D shell
(female)
PIN NO.
Name
1
FG
Frame Ground
2
SD
Send Data
3
RD
Read Data
4
RTS
Request To Send
5
CTS
Clear To Send
6
DSR
Data Set Ready
7
SG
Signal Ground
20
DTR
Data Terminal Ready
Table: 2.1
RS232C Pin Assignments
Graphic FX-50DU-TK(S)-C Units
Terminal Layouts
2
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