1.0 General
The REOVIB MFS 268 range of controllers for vibratory feeders can be operated from an RS 232
interface. To do this the frequency controller must be set up to receive serial data, using Menu “C 017”
(S.I.F. = I ). The set point for feeder throughput is adjusted in “Running Mode“ and the controller status
(ready/fault) is transmitted back. The controller can be configured, using the serial interface, in a
further “Parameter Mode“.
Units are available in two versions, panel mounting or enclosed.
The interface allows communication with the frequency controller by using 3 data words (each having
16 bits).
Controllers are always factory configured for interface operation. Should the unit be required for
manual set-up then the Parameter S.I.F. must be set = “0“ in Menu C 017. To return to serial interface
operation S.I.F. must be reset = “1“.
The communication on the interface must be maintained continuously (repeat data string constant),
otherwise the controller gets turned off by an internal “watch dog” after about 2 seconds.
2.0 Serial Interface Data
The Parameters for serial interface are set as follows:-
Baud rate: 9600, 8 Data bits, 1 Stop bit, No Parity, No Handshaking (DTR = +12V, RTS = - 12 V)
Pin layout
PIN Nr. Signal
1 -
2 RXD
3 TXD
4 -
5 GND
6 -
7 -
8 -
9 -
P P P
21 22 23 24 25 26 27 28 291 2 3 4
5
6 7 8 9 31 32 33 34
MFS
1
6
2
7
3
8
4
9
5
21 22 23 24 25 26 27 28 29
31 32 33 34 1 2 3 4 5 6 7 8 9
P
F
0
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