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16.2 AB DH485
16.2.1 HMI Settings
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-485
Options: RS232, RS485 – Dependant on PLC hardware
Baud rate
19200
Options: 9600, 19200, 38400, 57600, 115200 - Must match PLC
channel setting
Parity
Even
Options: Odd, Even, None - Must match PLC channel setting
Data bits
8
Options: 7, 8 - Must match PLC channel setting
Stop bits
1
Options: 1, 2 - Must match PLC channel setting
HMI station No.
0
HMI station No. must be unique to network (0-31)
PLC station No.
1
The Station number must match the PLC Node Number (0-31)
Comm. delay (10msec) 0
Request delay: 0~999 @10 milliseconds. Use when the PLC requires a
delay between requests. Not implemented in simulation mode.
16.2.2 PLC Setting
Supports all SLC Series PLC’s that have DH485 ports.
Communication parameters must be the same as those of the MMI.
The PLC DH485 Address must be different from the HMI station No..
16.2.3 Wiring
16.2.3.1
Wiring for cable connections using
SLC Series CPU’s
with DH485 RJ45 clip style ports.
KEP Part#:
SMIC15AB500-05
(D-Sub 9 Female Plug to RJ45 Male Plug Cable)
HMI PLC[RS-485]
Connect to AB SLC500 CPU’s with DH485 Port
2 RX+
Æ
1 SDA
1 RX-
Æ
2 SDB
5 GND
Æ
7 GND
Shield
Æ
Earth Ground
16.2.3.2
Wiring for cable connections using
SLC Series
CPU’s
with RS232 D-Sub 9 Male Socket ports.
KEP Part#:
SMICABDF1-05
(D-Sub 9 Male Socket to D-Sub 9 Female Plug Cable)
HMI PLC[RS-232]
AB Micrologix 1500, SLC5/03 or SLC5/04 CPU RS-232 port
2 TD
Æ
2 RD
3 RD
Æ
3 TD
5 GND
Æ
9
Æ
5 GND
7 RTS
Æ
8 CTS
Shield
Æ
Earth Ground
Note:
Graphic representation may not reflect the actual appearance of the finished cable.
Summary of Contents for MMI-1500
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