DNF Controls ST400-CP - Manual (Page 13)

ST400-CP User Manual Page 13 of 19
NOTES:
1. Total width of (Column1+ ...+ Column n) cannot exceed Maximum Width.
Maximum Width = Total Display Length – X coordinate of the Upper Left-hand Corner – Number of Lines
Total Display Length = 40 characters
Number of Lines = Number of Columns + 1
2. Total height of (Row1 + ... + Row n) cannot exceed Maximum Height
Maximum Height = Total Display Height – Y coordinate of the Upper Left-hand Corner – Number of Lines
Total Display Hight = 30
Number of Lines = Number of Rows + 1
3. All intersections are drawn in the same style lines (single-line or double-line depending on the specified style).
4. All outside boarders are drawn in the same style lines (single-line or double-line depending on the specified
style).
5. The display within the table will be cleared. The display outside the table borders will not be touched.
LCD Clear Part of the Display:
Å Å STX + BC + “P” + Number of Rows (height of the space to clear),
+ Number of Columns (width of the space to clear)
+ X coordinate of the Upper Left-hand Corner
+ Y coordinate of the Upper Left-hand Corner
+ Checksum
Where:
BC – Byte count of all bytes of the command excluding STX and Checksum
Number of Rows = 1 – 29
Number of Columns = 1 – 39
X coordinate of the Upper Left-hand Corner = 0 – 39
Y coordinate of the Upper Left-hand Corner = 0 – 29
STX + 01 + ACK + ChecksumÆ Æ
This command allows to clear a box on the display. All parameters assume small-size characters.
Channel Disconnect:
STX + 01 + ”U” + ChecksumÆ Æ
This command is sent automatically to the active channel prior to switching VTR channels.
Channel Reconnect:
STX + 01 + “R” + ChecksumÆ Æ
This command is sent automatically to the new selected channel when switching VTR channels.
CP Status:
Å Å STX + BC + “Z” + Checksum
STX + 02 + “Z” + STATUS + ChecksumÆ Æ
This command returns the current status of the ST400-CP.
Possible STATUS:
00 = Status OK
01 = Busy
02 = Error