CPU Specifications
and Operation
4–4
CPU Specifications and Operation
CPU Hardware Setup
Cables are available that allow you to quickly and easily connect a Handheld
Programmer or a personal computer to the DL05 PLCs. However, if you need to
build your own cables, use the pinout diagrams shown. The DL05 PLCs require an
RJ-12 phone plug to fit the built-in jacks.
The Micro PLC has two built-in RS232C communication ports. Port 1 is generally
used for connecting to a D2-HPP, DirectSOFT

,
operator interface, MODBUS
slave, or a DirectNET slave. . The baud rate is fixed at 9600 baud for port 1. Port 2
can be used to connect to a D2-HPP, DirectSOFT

, operator interface, MODBUS
master/slave, or a DirectNET master/slave. Port 2 has a range of speeds from
300 baud to 38.4K baud.
Port 1 Pin Descriptions
1 0V Power (–) connection (GND)
2 5V Power (+) connection
3 RXD Receive Data (RS232C)
4 TXD Transmit Data (RS232C
5 5V Power (+) conection
6 0V Power (–) connection (GND)
6-pin Female
Modular Connector
Port 2 Pin Descriptions
1 0V Power (–) connection (GND)
2 5V Power (+) connection
3 RXD Receive Data (RS232C)
4 TXD Transmit Data (RS232C
5 RTS Request to Send
6 0V Power (–) connection (GND)
123456
Top View
11
Communication Port 1
Com 1 Connects to HPP, DirectSOFT,
operator interfaces, etc.
6-pin, RS232C
9600 Baud (Fixed)
Parity - odd (default)
Station address 1 (fixed)
8 data bits
1 start, 1 stop bit
Asynchronous, Half-duplex, DTE
Protocol: (Auto-Select)
K sequence
(Slave only)
DirectNET (Slave only)
MODBUS (Slave only)
Communication Port 2
Com 2 Connects to HPP, DirectSOFT,
operator interfaces, etc.
6-pin, RS232C
Communication speed (baud)
300, 600, 1200, 2400, 4800,
9600, 19200, 38400
Parity - odd (default), even, none
Station address 1 (default)
8 data bits
1 start, 1 stop bit
Asynchronous, Half-duplex, DTE
Protocol: (Auto-Select)
K sequence
(Slave only)
DirectNET (Master/Slave)
MODBUS (Master/Slave)
Non-sequence/Print
Communication
Port Pinout
Diagrams
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