MODEL232BSS4 B&B Electronics, MODEL232BSS4 Datasheet - Page 13

• Manufacturer Part Number: MODEL232BSS4
• Description: Buffered Smart Switch
• Manufacturer: B&B Electronics

Binary file transfer:
inadvertent switching during a transfer of raw data bytes from the
Master device to one or more Slaves. Because the user doesn’t
know if a command sequence is imbedded in the raw data, the
switch must be set to ignore commands.
be transferred from the Slave devices to the Master device. No
switching commands are used in the 232BSS4 with data from this
direction, so no inadvertent switching can occur.
Method1 – Ignore Commands For a Specific Length of Time
Documentation Number 232BSS41202 Manual
For instance, to ignore switching commands for 30 Seconds,
send:
VB Example:
time. This method is useful if the user knows how long the
transfer will take. The Master would first send the command to
connect it to the Slave port(s) that are to receive the data. Then
the Master device would send the “T” command along with the
Two methods are provided in the 232BSS4 to prevent
Note that these procedures are not needed if the binary file will
{Char1}{Char2} {Char3} ”T””7”
Ignore30s$ = CHR$(27) & CHR$(2) & “T” & “7”
The first method is to ignore commands for a specific length of
Control Byte
(ASCII)
“0”
“1”
“2”
“3”
“4”
“5”
“6”
“7”
“8”
“9”
Table 2.3 - Timer Values
Control Byte
(Decimal)
48
49
50
51
52
53
54
55
56
57
Timer disabled
Timer Setting
100ms
500ms
1 min.
5 min.
10ms
25ms
30 s
1 s
5 s
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