Allen-Bradley MicroLogix 1000 User Manual

Preface
MicroLogix 1000 Programmable Controllers User Manual
3–4
Personal Computer
Modem
Modem
Modem
Cable
1761-CBL-PM02
Micro Controller
Optical Isolator
➀
(recommended)
DF1 full-duplex protocol (to 1 controller)
DF1 half-duplex master protocol (to multiple controllers)
DF1 full-duplex protocol or
DF1 half-duplex slave protocol
9-pin 8-pin Mini Din
Optical Isolator
➀
Modem
Programming
Device
Modem
Controller
Null Modem
1761-CBL-PM02 Cable
Modem Cable
➀ We recommend using an AIC+, catalog number 1761-NET -AIC, as your optical isolator . See page 3–1 1 for
specific AIC+ cabling information.
Constructing Y our Own Null Modem Cable
If you construct your own null modem cable, the maximum cable length is 15.24 m
(50 ft) with a 25-pin or 9-pin connector. Refer to the following typical pinout:
25-Pin
9-Pin
2
5
1
4
6
8
7
3
RTS
TXD
RXD
GND
CD
DTR
DSR
CTS
RXD 3
7
8
20
6
5
4
GND
CD
DTR
DSR
CTS
RTS
TXD 2
Modem
Optical Isolator
2
5
1
4
6
8
7
3
9-Pin
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Allen-Bradley MicroLogix 1000 Specifications

General

Communication Ports	RS-232
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Manufacturer	Allen-Bradley
Category	Controller
Series	MicroLogix
Programming Language	Ladder Logic
Input Voltage	24V DC or 120/240V AC
I/O Points	10 to 32 points
Processor Type	8-bit
Operating Temperature	0…55 °C (32…131 °F)
Processor	8-bit