beautypg.com

Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual User Manual

Page 13

background image

Chapter 1

Installing Your ControlNet PLCĆ5 Processor

1-5

Figure 1.2

PLCĆ5/40C Processor Front Panel

Battery Status Indicator

(Red)
Processor RUN/FAULT Status Indicator

(Green/Red)

Force Status Indicator

(Amber)
Channel 0 Communication ACTIVE/FAULT

Status Indicator

(Green/Red)

Memory Module Space

Battery Compartment

Use this port with ASCII or DF1 fullĆduplex, halfĆ

duplex master, and halfĆduplex slave protocols.

The port's default configuration supports processor

programming:

KeyswitchĊselects processor mode

Channel 0

Serial PortĊ25Ćpin DĆshell; supports standard EIA

RSĆ232C and RSĆ423; is RSĆ422A compatible

DH+ Programming Terminal Connection

to Channel 1A

8Ćpin miniĆDIN, parallel with 3Ćpin connectors

of Channel 1A; use only when Channel 1A is

configured for DH+ communications

one stopĆbit

BCC error check

no handshaking

DF1 pointĆtoĆpoint

2400 bps

no parity

Channel 2

ControlNet Redundant Media PortsĊ

BNC; dedicated

Channel 0 is optically coupled (provides high electrical

noise immunity) and can be used with most RSĆ422A

equipment as long as:

termination resistors are not used

the distance and transmission rate are reduced to

comply with RSĆ423 requirements

ControlNet Network Access Port

(NAP)ĊRJ45 connector

Channel 1 Status Indicators (Green/Red)

Channel 1A

3 pin; default is DH+; configurable for:

remote I/O scanner

remote I/O adapter

DH+ communication

unused

Channel 1B

3 pin; default is remote I/O scanner;

configurable for:

remote I/O scanner

remote I/O adapter

DH+ communication

unused

Channel 2 ControlNet Status Indicators

(Green/Red)

ControlNet I/O Status Indicator

(Green/Red)