Bradley Smoker PLC-5 user manual S79-S127

Models: PLC-5

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B-12Processor Status File

This Word

Stores

S:68

Installed memory card type:

 

0

- No memory card installed

 

1

- 1785-ME16

 

2

- 1785-ME32

 

3

- 1785-ME64

 

4

- 1785-ME100

 

5

- 1785-CHBM

 

6

- 1785-RC

 

7-15 - Reserved

 

When the 1785-RC module is installed, the eight least-significant

 

bits indicate the memory card’s status:

 

Bit 3 is set when the memory card is installed

 

Bit 2 is set when contact is detected closed

 

Bit 1 is set when the relay is driven open

 

Bit 0 is set when 120V ac is present on the memory card

 

When any other memory card is installed, the bits are undefined.

 

 

S:77

Communication time slice for communication housekeeping

 

functions (in ms)

 

 

S:78

MCP I/O update disable bits

 

Bit 0 for MCP A

 

Bit 1 for MCP B

 

etc.

 

 

 

 

S:79-S:127

This Word

Stores

S:79

MCP inhibit bits

 

Bit 0 for MCP A

 

Bit 1 for MCP B

 

etc.

 

 

S:80-S:127

MCP file number

 

MCP scan time (in ms)

 

MCP max scan time (in ms)

 

The above sequence applies to each MCP; therefore, each MCP

 

has

 

3 status words.

 

For example,word 80: file number for MCP A

 

word 81: scan time for MCP A

 

word 82: maximum scan time for MCP A

 

word 83: file number for MCP B

 

word 84: scan time for MCP B

 

etc.

 

 

Publication 1785-UM012D-EN-P - July 2005

Page 286
Image 286
Bradley Smoker PLC-5 user manual S79-S127