Entertron Modbus Rtu V1.00; Emerson Plc Ec20 [Pds] - KEP MMI-1500 Installation & Operation Manual

16.6 EMERSON PLC EC20 [PDS]

16.6.1 HMI Setting
Communication parameters must be set the same as those of the PLC. The following settings are recommended.
Parameter Recommended Setting
PLC type EMERSON PLC EC20[PDS
V2.5.0]
Serial I/F port RS-232
Baud rate 9600
Parity None
Data bits 8
Stop bits 1
HMI station No. 0
PLC station No. 1
Comm. delay (10msec) 0
This driver supports Extended Address mode.
16.6.2 PLC Setting
PLC ID number must match setting in MMI
Compatible with:
Emerson EC20 PLCs with MODBUS communications option.
16.6.3 Wiring
16.6.3.1 Wiring for cable connections using Emerson EC20 CPUs with COM1 RS232 Screw Terminal ports.
KEP Part#: (Not Available) (D-Sub 9 Male Socket to Flying Leads Cable)
HMI PLC[RS-232]
2 TXD
3 RXD
5 GND 9
Connect to Entertron CPU with RS232 Port
1 RXD
2 TXD
3 GND
Shield Earth Ground
Notes
Emerson.pds driver must be present in \drivers folder
Options: RS232, RS485 4W, RS485 2W – Dependant on PLC
hardware
Options: 9600, 19200- Must match PLC setting
Options: Odd, Even, None - Must match PLC setting
Options: 7, 8 - Must match PLC setting
Must match PLC setting
Not used
The Station number must match the PLC Station Number (0-255)
Request delay: 0~999 @10 milliseconds. Use when the PLC requires a
delay between requests. Not implemented in simulation mode.
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