79
Instruction Manual
AFQm
8.- RS-485 COMMUNICATIONS
AFQm
devices have an RS-485 serial communication output with the
MODBUS RTU
® communica-
tions protocol.
For an installation with devices in parallel, the RS-485 connection can be made on any device.
8�1�- CONNECTIONS
The RS-485 cable must be wired with twisted pair cable with mesh shield (minimum 3 wires), with a
maximum distance between the
AFQm
and the master device of 1200 metres.
A maximum of
32
AFQm
filters can be connected to this bus.
To establish communications with the master device, use an RS-485 intelligent converter.
B(-)
A(+)
S
RS-232 / USB / Ethernet / Profibus ...
PC
RS-485
RS-485
RS-232
USB
Ethernet
Profibus
...
S
A B
Figure 85: RS-485 Connection diagram�
The RS-485 communications configuration in
AFQm
models is set to a baud rate of 9600 bps, 8 data
bits, 1 stop bit and no parity.
Summary of Contents for AFQm-3WF-030M-480
Page 1: ...INSTRUCTION MANUAL Active Parallel Multi Function Filter AFQm M217B01 03 21A...
Page 2: ...2 AFQm Instruction Manual...
Page 111: ...111 Instruction Manual AFQm 608 812 1755 665 465 1890 Figure 108 Dimensions Cabinet type AFQm...
Page 113: ...113 Instruction Manual AFQm 14 CE CERTIFICATE...
Page 114: ...114 AFQm Instruction Manual...
Page 115: ...115 Instruction Manual AFQm...