1734 POINT I/O Module/RSLogix 5000 Controller Tag Reference

C-35

 

 

1734-SSI

1 Channel Synchronous Serial Interface

Input Data

Data Type

Default

Valid Data Values

 

 

Value

 

 

 

 

 

Present Data

DINT

0

-2,147,483,648…2,147,483,647

 

 

 

(0…4,294,967,295)

 

 

 

 

Latched Data

DINT

0

-2,147,483,648…2,147,483,647

 

 

 

(0…4,294,967,295)

 

 

 

 

Status

INT

0

0=Input is Off

Input Status

BIT 0

 

 

 

 

1=Input is On

Run

BIT 1

 

0=Module is not Running

 

 

 

1=Module is Running

Decreasing Count

BIT 2

 

0=Count not Decreasing

 

 

 

1=Count is Decreasing

Increasing Count

BIT 3

 

0=Count not Increasing

 

 

 

1=Count is Increasing

Compare0 Reached

BIT 4

 

0=Compare not Reached

Compare1 Reached

BIT 5

 

1=Compare was Reached

Compare0 Status

BIT 6

 

0=Compare Off

Compare1 Status

BIT 7

 

1=Compare On

Power Fault

BIT 8

 

0=No 24Vdc Power Fault

 

 

 

1=24Vdc Power Fault

Configuration Fault

BIT 9

 

0=No FPGA Config Fault

 

 

 

1=FPGA Config data bad

Communication Fault

BIT 10

 

0=No FPGA Comm Fault

 

 

 

1=FPGA Comm Fault

Input Data Fault

BIT 11

 

0=No Input Data Fault

 

 

 

1=Input Power Fault (short)

Data Latched

BIT 12

 

0=Input Data Not Latched

 

 

 

1=Input Data Latched

 

 

 

 

Present / Latched Data

To interpret values from -2,147,483,648 to -1, use this conversion formula:

Stored Data Tag Value + 4,294,967,296 = Actual Stored Data Tag Value.

As an example, for a read value of -1,794,967,296:

-1,794,967,296 + 4,294,967,296 = 2,500,000,000 actual value

Publication 1734-UM011C-EN-P - January 2006

Page 149
Image 149
Bradley Smoker 1734-AENT =Input is Off, =Module is not Running, =Count not Decreasing, =Count not Increasing, =Compare Off