Instruction Manual

Figure 3-4. Control Bytes
APB Setup Bytes
Title DDI-A DDI-B
Mode B290 B456
Baud Rate B292 B458
Set-Up B293 B459
PLC Control and Status Bytes
Title DDI-A DDI-B
Self Address B670 B646
Setup Error B684 B660
Scan Time B685 B661
Scan Overruns Counter B686 B662
PLC Read Control Bytes
Title DDI-A DDI-B
PLC Address B664 B640
Starting PLC Memory
Address Low
B665 B641
Starting PLC Memory
Address High
B666 B642
Number of L Loca-
tions to Read
B667 B643
Number of C Loca-
tions to Read
B668 B644
Command Code B669 B645
PLC Error Code* or
PLC Reply Status*
B671 B647
Communications
Error*
B672 B648
Error Count* B673 B649
*Can be reset by the user by writing a 0
into the datapoints.
PLC Write Control Bytes
Title DDI-A DDI-B
PLC Address B674 B650
Starting PLC Memory
Address Low
B675 B651
Starting PLC Memory
Address High
B676 B652
Number of L Loca-
tions to Write
B677 B653
Number of C Loca-
tions to Write
B678 B654
Command Code B679 B655
PLC Error Code* or
PLC Reply Status*
B681 B657
Communications
Error*
B682 B658
Error Count* B683 B659
*Can be reset by the user by writing a 0
into the datapoints.
53MC9015 53MC5000 PLC and Printer Interfaces
3-8
DESCRP