2-2 2. Allen-Bradley PLC
SLC500 Series
Micro Logix 1000
Available Memory
The available memory setting range varies depending on the PLC model. Be sure to set within the
range available with the PLC to be used. Use [TYPE] when assigning the indirect memory for macro
programs.
PLC-5 Series
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate 19200 bps 19200 bps
Port 0 0
Parity Even Even
Transmission
mode
RS-232C −−
RS-422 Channel 0 not supported −
Transmission
code
Data length 8 8
Stop bit 1 1
Protocol Full duplex (fixed) −
Error check BCC (fixed) −
Reponse NO (fixed) −
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate 9600 bps 9600 bps
Port 0 0
Parity None (fixed) Not provided
Transmission
code
Data length 8 (fixed) 8
Stop bit 1 (fixed) 1
Error check CRC (fixed) −
Memory TYPE Remarks
N (integer) 0
B (bit) 1
T.ACC (timer/current value) 2
T.PRE (timer/set value) 3
C.ACC (counter/current value) 4
C.PRE (counter/set value) 5
I (input) 6
O (output) 7
S (status) 8
T (timer/control) 9
C (counter/control) 10
R (control) 11
R.LEN (control/data length) 12
R.POS (control/data position) 13
D (BCD) 14
A (ASCII) 15