148 • I/O modules
Digital Outputs 750-511
Modular I/O System
ETHERNET TCP/IP
Status byte
Input byte 1
Input byte 0
Comment
0xxx xxxx
Xxxx xxxx
xxxx xxxx
Running processing
1000 0010
0000 1111
1010 0000
Value out of register 2:
4.000 µs (250 Hz) (0x0FA0)
You can reactivate the process data exchange if you erase bit 7.
Control byte
Output byte 1
Output byte 0
0xxx xxxx
Xxxx xxxx
xxxx xxxxx
Status byte
Input byte 1
Input byte 0
Comment
1000 0010
0000 1111
1010 0000
Value out of register 2
0xxx xxxx
0000 0000
0000 0000
Process data exchange
Register 2 write mode
The module is in process data exchange mode:
Control byte
Output byte 1
Output byte 0
0xxx xxxx
xxxx xxxx
xxxx xxxx
Status byte
Input byte 1
Input byte 0
0xxx xxxx
0000 0000
0000 0000
Register write access is available by setting bit 7 and bit 6 and entering the
register address in the control byte.
Control byte
Output byte 1
Output byte 0
Comment
1100 0010
0000 0100
0001 1101
Value in register 2:
1.053 µs (950 Hz)
(0x041D)
Status byte
Input byte 1
Input byte 0
Comment
0xxx xxxx
xxxx xxxx
xxxx xxxx
Running processing
1000 0010
0000 0000
0000 0000
Acknowledgement