Specifications

7SR242 Duobias Data Communications
©2010 Siemens Protection Devices Limited Chapter 4 Page 32 of 43
OBJECT
REQUEST
(Library will parse)
RESPONSE
(Library will respond with)
Object
Number
Variation
Number
Description
Function
Codes (dec)
Qualifier
Codes (hex)
Function
Codes (dec)
Qualifier
Codes (hex)
No Object (function code only) 23 (delay
meas.)
No Object (function code only) 24
(record
current time)
Note 1: A Default variation refers to the variation responded when variation 0 is requested and/or in class 0, 1, 2,
or 3 scans. Default variations are configurable; however, default settings for the configuration parameters are
indicated in the table above.
Note 2: For static (non-change-event) objects, qualifiers 17 or 28 are only responded when a request is sent with
qualifiers 17 or 28, respectively. Otherwise, static object requests sent with qualifiers 00, 01, 06, 07, or 08, will be
responded with qualifiers 00 or 01. (For change-event objects, qualifiers 17 or 28 are always responded.)
Note 3: Writes of Internal Indications are only supported for index 7 (Restart IIN1-7)