Process output data – Metalfab SEW Eurodrive MOVIMOT MM..C User Manual

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Operating Instructions – MOVIMOT® MM03C - MM3XC

Coding of process data

Startup with Communications Interface / Fieldbus

Process output
data

Process output data are sent from the master controller to the MOVIMOT

inverter (con-

trol information and setpoints). However, they only come into effect in MOVIMOT

if the

RS-485 address in MOVIMOT

(DIP switches S1/1 to S1/4) is set to a value other than

0. MOVIMOT

can be controlled with the following process output data:

•

PO1: Control word

•

PO2: Speed [%] (setpoint)

•

PO3: Ramp

Control word, bits
0...2

The "Enable" control command is specified with bits 0...2 by entering the control word =
0006

hex

. The CW and/or CCW input terminal must also be set to +24 V (jumpered) to

enable the MOVIMOT

unit.

The "Stop" control command is issued by resetting bit 2 = "0." You should use the stop
command 0002

hex

to ensure compatibility with other SEW inverter products. However,

MOVIMOT

always triggers a stop with the current ramp whenever bit 2 = "0," irrespec-

tive of the status of bit 0 and bit 1.

Control word bit 6
= Reset

In the event of a malfunction, the fault can be acknowledged with bit 6 = "1" (Reset). The
value of unassigned control bits should be 0 to ensure compatibility.

Speed [%]

The speed setpoint is specified as a percentage value in reference to the maximum
speed set with the f1 setpoint potentiometer.

Coding:

C000

hex

= -100 % (counterclockwise rotation)

4000

hex

= +100 % (clockwise rotation)

→

1 digit = 0,0061 %

Example:

80 % f

max

, CCW rotation:

Calculation:

–80 % / 0.0061 = –13115

dec

= CCC5

hex

Ramp

If the process data exchange takes place using three process data words, the current
integrator ramp is transmitted in process output data word PO3 . The integrator ramp set
with switch t1 is used if MOVIMOT

is controlled by two process data.

Coding:

1 digit = 1 ms

Range:

100...10000 ms

Example:

2.0 s = 2000 ms = 2000

dec

= 07D0

hex

Basic control block

PO1: Control word

reserved for special functions = "0"

"1" =

Reset

reserved = "0"

"1 1 0" = Release

otherwise stop

PO2: Setpoint

Signed percentage / 0.0061 %

Example: -80% / 0.0061 % = - 13115 = CCC5

hex

PO3: Ramp (only for

three-word protocol

only)

Time from 0 to 50 Hz in ms (range: 100...10000 ms)

Example: 0.2 s = 2000 ms = 07DO

hex