CONTREX CX-1200 - Manual (Page 264)

7 - 25
Data Read Constant Table
7) Data Read Parameter Title
8) Data Read Maximum Parameter Value
9) Data Read Minimum Parameter Value
10) Data Read Default Parameter Value
11) Data Read Backup Parameter Value
12) Data Read Value of the Maximum Parameter Field length
13) Data Read Parameter Control Byte
Note: For all constant table reads, the host transmission message structure is the same differing only by the
read command following the period.
Table 30 Host Transmission
Character # 1 2 3 4 5 6 7 8 9 10
DESC
ASCII
STX Address Separator Parm Number CTR Type Inquiry ETX
^B 1-99
,
0-9 0-9 0-9
.
? ^C
Constant Table Read Type Strings:
TTL = Parameter Title Text
MAX = Maximum Parameter Value
MIN = Minimum Parameter Value
DEF = Default Parameter Value
BKU = Backup Parameter Value
FLD = Parameter Field length
CTB = Parameter Control Byte
CTR Field
This field should always be a period designating a Constant Table Read of type to follow for the
indicated parameter.
Type Field
Insert the desired constant table read type string into this field. The control will respond with the
appropriate data for the type of read requested. This is a three character field.