Siemens S7/300 Pc Adaptor - KEP MMI-1500 Installation & Operation Manual

16.41 Siemens S7/300 PC ADAPTOR

Siemens PC adapter (Siemens Part# 6ES7-972-0CA22-0XA0) is required.
16.41.1 HMI Setting
Communication parameters must be set the same as those of the PLC. The following settings are recommended.
Parameter Recommended Setting Notes
Serial I/F port RS-232
Baud rate 19200
Parity Odd
Data bits 8
Stop bits 1
HMI station No. 0
PLC station No. 2
Comm. delay (10msec) 0
16.41.2 PLC Setting
S300 Station number (Station Number) must be 02 and DB10 must be created.
Communication parameters must be the same as those of the MMI.
Compatible with:
Siemens S7-300 Series: CPU 312, 313, 314, 315, 316, 318 (using an MMI adapter from Siemens)
16.41.3 Wiring
Adapter cable to go from HMI to PC Adapter cable.
DO NOT PLUG THIS CABLE DIRECTLY INTO THE PLC!
16.41.3.1 Wiring for cable connections using Siemens S7-300 CPU's with PC adapter RS232 D-Sub 9 Male
Socket ports.
KEP Part#: (Not Available) (D-Sub 9 Male Socket to D-Sub 9 Female Plug Cable)
HMI PLC[RS-232]
2 TD
3 RD
5 GND
Note: Graphic representation may not reflect the actual appearance of the finished cable.
16.41.4 Device address
Bit/Word Type Address Format
B I
B Q
B M
B DB10~29Bit
W DB10~60
Note: Do not write to Data words that do not exist as this may cause PLC malfunction.
Options: RS-232, RS-485 default/2W/4W – Dependant on PLC
hardware
Options: 9600, 19200, 38400, 57600, 115200 - Must match PLC port
setting
Options: Odd, Even, None - Must match PLC port setting
Options: 7, 8 - Must match PLC port setting
Options: 1, 2 - Must match PLC port setting
Not used
Options: 0-255 - As per PLC setting
Request delay: 0~999 @10 milliseconds. Use when the PLC requires a
delay between requests. Not implemented in simulation mode.
Connect to Siemens PC adapter RS-232 port
3 RD
2 TD
5 GND
7 RTS 8 CTS
Shield Earth Ground
Range
ddddo dddd: 0~4095 o: 0~7 Input Bits, Word portion is decimal, bit portion is octal
ddddo dddd: 0~4095 o: 0~7 Output Bits, Word portion is decimal, bit portion is octal
ddddo dddd: 0~4095 o: 0~7 Internal Bits, Word portion is decimal, bit portion is octal
ddddo dddd: 0~8192 o: 0~7 Data Word Bits, Word portion is decimal, bit portion is
dddd dddd: 0~8192
octal
Data Words, Addresses must be even numbers 0,2,4,...
etc.
288
Notes