Allen-Bradley 1769-ASCII, Installation Instructions Manual, Page: 24 / 40

24 Compact 1769-ASCII Module
Publication
1769-IN068B-EN-P - May 2005
Serial Port Receive Data
18 Max Number of Receive
Characters
0…200 In Simultaneous mode, the total number
of channel 0 characters plus channel 1
characters cannot exceed 200.
19 Receive Record Start Mode 0…2 0 = ignore, 1 = exclude, 2 = include start
delimiter
20 Receive Start Delimiter
(1)
0…127/255 0…0x7f (0…127) for 7-bit data
0…0xff (0…255) for 8-bit data
21 Receive Record End Mode 0…2 0 = ignore, 1 = exclude, 2 = include end
delimiter
22 Receive End Delimiter
(1)
0…127/255 0…0x7f (0…127) for 7-bit data
0…0xff (0…255) for 8-bit data
Module Production Data
23 Pad Character
(1)
0…127/255 0…0x7f (0…127) for 7-bit data
0…0xff (0…255) for 8-bit data
24 Receive Swap Mode 0…2 0 = disabled, 1 = 16-bit, 2 = 32-bit
25 Master Handshake Mode 0…1 0 = master/slave handshake, 1 = produce
immediate
26 Message Time Out 0…65535 0 = none, 1 to 65535 ms
Serial Port Transmit Data
27 Max Number of Transmit
Characters
0…200 In Simultaneous mode, the total number
of channel 0 characters plus channel 1
characters cannot exceed 200.
28 Transmit Record End Mode 0…2 0 = ignore, 1 = exclude, 2 = include end
delimiter
29 Transmit End Delimiter (1) 0…127/255 0…0x7f (0…127) for 7-bit data
0…0xff (0…255) for 8-bit data
30 Transmit Swap Mode 0…2 0 = disabled, 1 = 16-bit, 2 = 32-bit
(1)
To enter values from +128 to +255, use this conversion formula: Desired Decimal Value - 256 = Entered
Decimal Value. For example, for an ASCII character value of 128, 128 - 256 = -128.
Wo
rd
Description Values Valid Data Values