286
16.39 SIEMENS S7-200
16.39.1 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
RS485 2W
Options: RS-232, RS-485 default/2W/4W – Dependant on PLC
hardware
Baud rate
9600
Options: 9600, 19200, 38400, 57600, 115200 - Must match PLC port
setting
Parity
Even
Options: Odd, Even, None - Must match PLC port setting
Data bits
8
Options: 7, 8 - Must match PLC port setting
Stop bits
1
Options: 1, 2 - Must match PLC port setting
HMI station No.
0
Not used
PLC station No.
2
Options: 0-255 - As per PLC setting
Comm. delay (10msec) 0
Request delay: 0~999 @10 milliseconds. Use when the PLC requires a
delay between requests. Not implemented in simulation mode.
16. 39.2 PLC Setting
Communication parameters must be the same as those of the MMI.
Compatible with:
Siemens S7-200 Series: S7-212, S7-214, S7-215, S7-216, S7-221, S7-222, S7-224, S7-226
N
16. 39.3 Wiring
16.39.3.1
Wiring for cable connections using
Siemens S7-200 Series CPUs
with RS485 D-Sub 9 Female
Plug ports.
KEP Part#:
SMIC15SIS7-05
(D-Sub 9 Female Plug to D-Sub 9 Male Socket Cable)
HMI PLC[RS-485]
Connect to Siemens S7-200
CPU RS485 Port
1 RXD- / TXD-
Æ
8 D-
2 RXD+ / TXD+
Æ
3 D+
5 GND
Æ
5 GND
Shield
Æ
Earth Ground
Note:
Graphic representation may not reflect the actual appearance of the finished cable.
16.39.4 Device address
Bit/Word
Type
Address Format
Range
Notes
B
I
ddddo
dddd: 0~4095 o: 0~7 Input Bits, Word portion is decimal, bit portion is octal
B
Q
ddddo
dddd: 0~4095 o: 0~7 Output Bits, Word portion is decimal, bit portion is octal
B
M
ddddo
dddd: 0~4095 o: 0~7 Internal Bits, Word portion is decimal, bit portion is octal
B
VW.B
ddddo
dddd: 0~4095 o: 0~7 Data Word Bits, Word portion is decimal, bit portion is
octal
W
VW
dddd
dddd: 0~5120
Data Words, Addresses must be even numbers 0,2,4,…
etc.
Note:
The Controller’s memory range may vary within the range supported by the driver. Use appropriate addresses.
Note:
Do not write to Data words that do not exist as this may cause PLC malfunction.
Summary of Contents for MMI-1500
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