DL06 Micro PLC User Manual, 3rd Edition, Rev. E
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Chapter 3: CPU Specifications and Operation
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A
B
C
D
CPU Hardware Setup
Communication Port Pinout Diagrams
Cables are available that allow you to quickly and easily connect a Handheld Programmer or
a personal computer to the DL06 PLCs. However, if you need to build your cable(s), use the
pinout descriptions shown below, or use the Tech Support/Cable Wiring Diagrams located
on our website. The DL06 PLCs require an RJ-12 phone plug for port 1 (D2-DSCBL) and a
15-pin SVGA DSub for port 2 (D2-DSCBL-1).
The DL06 PLC has two built-in serial communication ports. Port 1 (RS232C only) is
generally used for connecting to a D2-HPP, DirectSOFT, operator interface, MODBUS
slave only, or a Direct NET slave only. The baud rate is fixed at 9600 baud for port 1. Port
2 (RS232C/RS422/RS485) can be used to connect to a D2-HPP, Direct SOFT, operator
interface, MODBUS master/slave, Direct NET master/slave or ASCII in/out. Port 2 has a
range of speeds from 300 baud to 38.4K baud.
NOTE: The 5v pins are rated at 220mA maximum, primarily for use with some operator interface units.
Port 2 Pin Descriptions
1 5V Power (+) connection
2 TXD Transmit data (RS-232C)
3 RXD Receive data (RS-232C)
4 RTS Ready to send
5 CTS Clear to send
6 RXD- Receive data (-) (RS-422/485)
7 0V Power (-) connection (GND)
8 0V Power (-) connection (GND)
9 TXD+ Transmit data (+) (RS-422/485)
10 TXD- Transmit data (-) (RS-422/485)
11 RTS+ Ready to send (+) (RS-422/485)
12 RTS- Ready to send (-) (RS-422/485)
13 RXD+ Receive data (+) (RS-422/485)
14 CTS+ Clear to send (+) (RS-422/485)
15 CTS- Clear to send (-) (RS-422/485)
Communications Port 2
Com 2
Connects to HPP, DirectSOFT, operator interfaces,
etc.
15-pin, multifunction port, RS232C, RS422, RS485
(RS485 with 2-wire is only available for MODBUS
and Non-sequence.)
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/ASCII in/out
Port 1 Pin Descriptions
1 0V Power (-) connection (GND)
2 5V Power (-) 220 mA max
3 RXD Receive data (RS-232C)
4 TXD Transmit data (RS-232C)
5 5V Power (+) connection
6 0V Power (-) connection (GND)
Communications Port 1
Com 1
Connects to HPP, DirectSOFT, operator interfaces,
etc.
6-pin, RS232C
Communication speed (baud): 9600 (fixed)
Parity: odd (fixed)
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)
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