Power-On Sequence; Command Set - B&R BRCOMP1-0 Anwenderhandbuch

B&R COMPACT PLC

22. POWER-ON SEQUENCE

23. COMMAND SET

A 6303 processor (Hitachi) is implemented in the Compact PLC. This is the same processor which is
used in the MINICONTROL CPU. Therefore giving full software compatibility to the next size of PLC
system.
A complete description of the 6303 processor command set is provided in the "STL Instructions"
booklet (MAAWLKB-E).
This booklet contains the following useful information:
- B&R and MOTOROLA Mnemonics
- Descriptions for all instructions
- The possible types of addressing and opcodes
- The possible address codes
- Instruction lengths and executions times
- Changed Flags
- 222 -
PLC is
Turned On
PROM
N
OK
?
Status LED
Y
On
STOP
PD
Y
Connected
?
N
Copy PROM
to RAM
Status LED Status LED
Off is Blinking
START
STOP
(in PROM)