Communications Mode
CP 523
7.5
Overview of Permissible Job Requests in Communications Mode
Data exchange between the CPU and the CP 523 is always initiated by a job request from the CPU.
The CPU transfers the job request to the CP 523 in word 0. The job number is stored in byte 0.
Table 7-32. Permissible Job Requests to the CP 523 in Communications Mode
7
0
0
9
Byte 1
7
6
5
4
3
2
1
0
Byte 0
7
6
5
4
3
2
1
0
9
A
A
9
Day
of
the
week
0
0
0
0
0
0
0
0
1
0
0
8
0
1
0
0
0
0
7
0
2
7
1
9
9
A
0
0
0
0
Job Request
Set the clock (settings in bytes 1 to 7)
Initialize the serial interface
Set the XON/XOFF parameters
Select Print mode
Select Transparent mode
Select Interpretive mode
Read status byte and coordination
information
Send message frame
Receive message frame
Read the status byte, the status of the
peripheral device and the current clock data
Coordinate data transfer
Transfer parameter setting data
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
Correction
value
for
the
integral
clock
positive
9
0
1
9
Correction
value
for
the
integral
clock
neg.
7
3
Select 3964(R) mode
A
9
9
0
9
0
Select 3964(R) mode follow-up
job request
9
0
7
2
7-58
EWA 4NEB 811 6044-02a
