Eaton XN300 - Page 328

38 XN-322-2SI-RS serial interface specialty module
38.6 Memory layout
XN300 slice modules 02/24 MN050002EN Eaton.com 324
0x4202 – 2 Control485 Byte 0
Modem
Control-
Register
Bit 0 1: Data Terminal
Ready
0x0200
Bit 1 1: Request to Send
Bit 2 Mode/de.
(fix) 0: RS 485
mode,
Bit 3 reserved
Bit 4 reserved
Bit 5 1: Echo
disabled (default)
Bit 6 reserved
Bit 7 reserved
Byte 1
Line
Control
Register
Bit 0-1
00
01
10
11
Data word length
0: 5 Bit
1: 6 Bit
2: 7 Bit
3: 8 Bit
Bit 2
Number of
stop bits
0:
1:
1 stop bit,
1.5 stop bits for 5-
bit data word
length
2 stop bits for 6-
bit, 7-bit, 8-bit
data word length
Bit 3 Parity Enable
0: No parity
1: Parity
Bit 4 Even Parity Select
0: Odd
1: Even
Bit 5 reserved
Bit 6 1: Set Break
Bit 7 reserved
CAN
Object
Index
Default
CAN
Mapping
Size
(byte)
Local I/O
description
Local I/O
addresses