SDS Model Specification for 45SD1 Bus Card

The 45SD card conforms to the following SDS model:

Level 4 Binary Input, 1.1.1.5

ATTRIBUTES

Attribute Description

R/W

Data Type Size

Count Default value

0

Network Data Descriptor R

Uns.

Byte

6

18,1,0,0,0,0

1

Baud Rate

R

Uns.

Byte

1

0

2

Object Type

R

Uns.

Byte

4

1,1,1,5

3

Partner ID

R

Uns.

Word 1

50

4

Device Address

R

Uns.

Byte

1

125

6

Unsolicited Mode Enable R/W

Bool.

Und

1

1

7

Software Version

R

Char.

Und

11

38741 - X.X

8

Diagnostic Error Counter. R

Uns.

Byte

1

9

Diagnostic Register

R/W

Uns.

Byte

2

10

Cyclic Timer

R/W

Uns.

Byte

1

0

11

Serial Number

R

Uns.

Long

1

XX...X

12

Date Code

R

Char.

Und

4

MMYY

13

Catalog Listing

R

Char.

Und

24

45SD1, Q45X

14

Partner Name

R

Char.

Und

24

“Banner Engineering”

15

Component Name

R

Char.

Und

24

“Photoelectric Sensor”

18

Input Data

R

Bool.

Und

1

-

51

Direct Input State

R

Uns.

Byte

1

-

56

Tag Name

R/W

Char.

Und

24

Blank

58

Diagnostic Count Limit R/W

Uns.

Byte

1

1

61

Configuration Register R/W

Uns.

Byte

1

0

0 I/O Type:

18,1,0,0,0,0 These six bytes indicate that this is a single point binary input with the input variable at

Attribute #18.

1 Baud Rate:

Always returns 0. This indicates that this device automatically determines the correct baud rate for

comunication.

2 Device Type:

Indicates type of device in terms of the SDS protocol.

This is presented as 4 X 8 bit words: 01,01,01, 05 hex.

3 Vendor Identification Number:

50 decimal.

4 Device Address

: This variable indicates the devices network address 0-125. It is the logical SDS address - 1. If the

SDS address of this device is 1 this attribute will be 0. Default value is 125 decimal. This attribute is stored in non

volatile memory.

6 Unsolicited Mode Enable:

Setting this bit allows the device to send I/O event driven messages. These event messages

include: COS ON, COS OFF, WRITE ON, WRITE OFF. If this bit is cleared then only the error event (event 0) is

generated, all other events will be disabled. This attribute is stored in non volatile memory.

7 Software version Number:

ASCII character string “38741-X.X”

8 Diagnostic Error Counter:

The Diagnostic Error counter indicates the number of errors flags that are currently set in

attribute # 9. The possible values of this counter are 0,1,2,3 or 4.

3