Rockwell-automation 1203 Serial Communications Module Series B Manual de usuario descargar pdf (Pagina 21)

2–7Installation

1203–5.5 September 1995

Note: If you are using the DH–485 communications mode, setting

switches SW2–4, SW2–5, SW2–6. SW2–7, and SW2–8 have no

effect because this information is selected within the software.

Use SW2–5 and SW2–4 to set the parity:

SW2 Function

–

87654321

Parity disabled

–

87654321

Even parity

–

87654321

Odd parity

Use SW2–6 to choose between 1 stop bit and 2 stop bits:

SW2 Function

–

87654321

1 stop bit

–

87654321

2 stop bits

Use SW2–7 to choose between point–to–point and multi–drop:

SW2 Function

–

87654321

Point–to–point

–

87654321

Multi–drop

Use SW2–8 to choose between BCC checksum mode and CRC

checksum mode:

SW2 Function

–

87654321

BCC Checksum

–

87654321

CRC Checksum

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 72 73

Bulletin 1203 1
Allen-Bradley 1
Important User Information 2
Table of Contents 3
Chapter 3 4
Chapter 4 4
Chapter 5 4
Chapter 6 4
Chapter 7 4
Who Should Use this 5
Purpose of this Manual 5
Contents of this Manual 6
Related Documentation 6
Terms and Abbreviations 7
Conventions 7
Firmware Support 7
Safety Precautions 7
Serial Device Compatibility 8
Allen–Bradley Support 8
Product Description 9
SCANport Device 10
Compatibility 10
Figure 1.1 11
Figure 1.2 12
Open Style 13
SLC 5/03 CPU 13
Configuration Switches 14
Installation 15
Factory Switch Settings 16
Switch SW1 17
DF1/DH–485 Address Selection 18
DF1 Address Selection 19
1203–5.5 September 1995 20
Switch SW3 22
• duplicate message detection 22
Mounting the Serial 24
Communications Module 24
Enclosed Style Serial 26
Dimensions 26
Connecting Cables 27
SCANport Link 30
Connection 30
1336 PLUS and 1336 FORCE 31
Power Supply 32
Connections 32
SCANport Datalink Operation 33
Configuring and Interfacing 35
Supported PCCC Command List 36
Data Table Structure 37
Communications Module: 40
Configuration Examples 43
Block Transfer Emulation 49
Instructions 49
Scattered Parameter Value 50
Message Operation 51
256 –– Message OK 54
–32512 –– Message Error 54
Data File Format 55
Parameter Read Full 56
# ASCII Display values 58
Parameter Value Read 59
769 –– Message OK 60
–31999 –– Message Error 60
770 –– Message OK 61
–31998 –– Message Error 61
1792 –– Message OK 63
–30976 –– Message Error 63
1793 –– Message OK 66
–30975 –– Message Error 66
1794 –– Message OK 67
–30984 –– Message Error 67
Troubleshooting 69
LED Troubleshooting Table 70
Specifications 71
7–2 Specifications 72
Worldwide representation 73

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