Micromod Micro-DCI: 53MC5000 PLC AND PRINTER INTERFACES - Manual (Page 98)

6. At the PCS, configure all of the appropriate DDI channel datapoints set by the user as follows:
PCS APB Setup Bytes (Table 8-1)
Mode (B290, B456) - 0 (to ensure interface is off.)
Baud Rate (B292, B458) - Set to match the PLC.
Set-Up (B293, B459) - Data format transfer protocol is set to match the PLC.
PLC Control and Status Bytes (Table 8-2)
Scan Time (B685, B661) - See Section 3.7 to calculate the Scan Time.
PLC Read Control Bytes (Table 8-3)
PLC Address (B664, B640) - This is a decimal value of the PLC address.
Starting PLC Memory Address Low and High Bytes (B665, B641, B666, B642) - Also,
see Section 3.4 to ensure these values are properly calculated.
Number of L-words to Read (B667, B643) - Can not exceed 32.
Number of C-words to Read (B668, B644) - Can not exceed 64.
Memory Type (B669, B645) - This value must be 31.
PLC Write Control Bytes (Table 8-4)
PLC Address (B674, B650) - This is a decimal value of the PLC address.
Starting PLC Memory Address Low and High Bytes (B675, B651, B676, B652) - Also,
see Section 3.4 to ensure these values are properly calculated.
Number of L-words to Write (B677, B653) - Can not exceed 32.
Number of C-words to Write (B678, B654) - Can not exceed 64.
Function Code (B679, B655) - The destination code for coils or holding registers.
APB Setup Bytes (Table 8-1)
Mode (B290, B456) - 5 to start the Koyo PLC interface protocol.
RS-232/485 ITB
XMT (CR13) and RCV (CR14) LEDs alternately blink whenever there is PCS-PLC
activity.
53MC9015 53MC5000 PLC and Printer Interfaces
8-6
KOYO