User`s manual

Western Reserve Controls, Inc. 1782-JDC User’s Manual
31
Table A-10 JDC Parameter Instances (Class F
hex
)
Parameter
Param.
Instance
Description Parameter Choices
Default
Setting
Default
Value
Serial
Character
Format
1 Character framing
0 = 7N2
1 = 7E1
2 = 7O1
3 = 8N1
4 = 8N2
5 = 8E1
6 = 8O1
7N2 0
Serial Baud
Rate
2
RS232/ RS422/RS485
communications speed
0 =9600
1 = 1200
2 = 2400
3 = 4800
4 = 19.2k
5 = 38.4k
9600 baud 0
Receive
Delimiter
3
Character which identifies the
end of the data string from the
ASCII device when the length is
specified as 0
Any valid standard
ASCII character
(0 – 127, 0-255)
Carriage
return
D
hex
Transmit
Delimiter
4
Character which identifies the
end of the transmit data string to
the ASCII device when the
length is specified as 0
Any valid standard
ASCII character
(0 – 127, 0-255)
Carriage
return
D
hex
Max Number
of Receive
Chars
5
Maximum number of characters
the JDC expects to receive into
its ASCII port from the serial
device
0 – 124
20
characters
14
hex
Max Number
of Transmit
Chars
6
Maximum number of characters
the JDC expects to transmit out
its serial port to the serial device
0 – 124
20
characters
14
hex
Device Net
Baud Rate
7
The baud Rate of the device net
device. The baud rate can be set
here and will take effect once the
JDC has been reset.
0 = 125 Kbaud
1 = 250 Kbaud
2 = 500 Kbaud
3 = Autobaud
Autobaud 3
Pad Mode
8
Indicates whether to pad the
invalid data region after the
delimiter with the pad character,
or to use variable length I/O
responses
0 = Pad Mode Off
1= Pad Mode Enabled
Enabled 1
Pad Character
9
The value to use to pad the
invalid data portion of the poll
response
Any valid standard
ASCII character
(0 – 127, 0-255)
NULL 0
Swap Bytes
10
If enabled, the position of the
bytes in the serial messages will
be swapped every 2 or 4 bytes.
0 = Disabled
1 = 16-bit Swap Enabled
2 = 32-bit Swap Enabled
Disabled 0