38 XN-322-2SI-RS serial interface specialty module
38.6 Memory layout
XN300 slice modules 02/24 MN050002EN Eaton.com 326
38.6.2 Memory layout for EtherCAT objects
EtherCAT
Object
Index
Size
(byte)
Local I/O
description
Local I/O
addresses
0x9xx0
SUB 01
4 ModuleState –
0x9xx0
SUB 02
EC:4 EC: DeviceID Module ID number –
0x9xx0
SUB 03
4 FPGAVersion –
0x9xx0
SUB 04
4 DeviceType –
0x9xx0
SUB 05
4 VendorID –
0x9xx0
SUB 06
4 ProductCode –
0x9xx0
SUB 07
4 Revision –
0x9xx0
SUB 09
4 HWVersion –
0x9xx0
SUB 0A
4 FWVersion –
0x6xx0
SUB 01
2 RS232 RTS Bit 0 1: Request to send
signal is set (read-
back)
0x182
0x6xx0
SUB 02
2 RS232 CTS Bit 4 1: Clear to send
signal received
0x180
0x6xxA
SUB 01
2 Status232
Setting up the
RS232 interface
via „Modem Status
Register“ and „Line
Status Register“
Byte 1
Line
Status
Register
Bit 0 1: Transmitter
Holding Register
Empty
0x0180
Bit 1 1: Rx Parity Error
Bit 2 1: Rx Framing Error
Bit 3 1: Break Condition
receivedBit
Bit 4 1: Tx Busy
Bit 5 1: Receive Buffer
Overflow
Bit 6-7 reserved
0x6xx9
SUB 01
2 VoltageOK Bit 0 1: State 24 VDC
OK
–
Bit 1-15 reserved
0x6xxA
SUB 02
1 TransmitCount232 Number of bytes in send buffer 0x0185
0x7xx0
SUB 1
2 SetRTS232 Bit 0 1: Set Request to
send
–
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