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Power Supply Units Section 3-4
RS-232C Port Specifications
Note Baud rates for the RS-232C are specified only up to 19.2 kbps. The CJ Series
supports serial communications from 38.4 kbps to 115.2 kbps, but some com-
puters cannot support these speeds. Lower the baud rate if necessary.
Protocol PLC Setup and DIP Switch Settings
3-4 Power Supply Units
3-4-1 Power Supply Units Models
Item Specification
Communications method Half duplex
Synchronization Start-stop
Baud rate 0.3/0.6/1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2 kbps
(See note.)
Transmission distance 15 m max.
Interface EIA RS-232C
Protocol Host Link, NT Link, 1:N, No-protocol, or Peripheral Bus
Pin No. 5 RS-232C port settings (in PLC Setup)
Default value:
0 hex
NT Link:
2 hex
No protocol:
3 hex
Peripheral bus:
4 hex
Host Link:
5 hex
OFF Host computer
(Host Link)
PT
(NT Link)
General-purpose
external devices
(No protocol)
CX-Programmer
(Peripheral bus)
Host computer or
CX-Programmer
(Host Link)
ON CX-Programmer (not a Programming Console) connected through the peripheral bus. (The Programming
Device’s communications parameters are detected automatically.)
Power supply voltage Output Power output
terminals
RUN
output
Model Weight
100 to 240 V AC
(allowable: 85 to 264 V AC)
50/60 Hz
(allowable: 47 to 63 Hz)
5 A at 5 V DC
0.8 A at 24 V DC
Total: 25 W
No Yes CJ1W-PA205R 350 g max.
2.8 A at 5 V DC
0.4 A at 24 V DC
Total: 14 W
No No CJ1W-PA202 200 g max.
24 V DC
(allowable:19.2 to 28.8 V DC)
5 A at 5 V DC
0.8 A at 24 V DC
Total: 25 W
No No CJ1W-PD025 300 g max.
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