MESA Automation GmbH
MQC 05 V 3 EM
10
8 Faultfinding and remedy
Fault
Cause
Remedy
The motor will not start
supply voltage missing
check all fuses are good and supply voltage are
present
there is no current
drive not enable
Terminal X1/Pin5 should be connected to 0VDC
(op24V) for power stage enable
Motor wiring open
check the wiring for the armature circuit
The motor runs at an uncontrollably high
speed after switching on.
The control circuit is polarised
Change the polarity of the tachometer or the
motor.
The motor will not start although current
is present
The motor is blocked (mechanically)
Shorted motor circuit
Release the brake, if there is one; if necessary
dismantle the motor and run no-load test.
Check the wiring of the armature circuit
The motor runs unevenly
P-portion too high
I-portion too small
Turn P2 counter clockwise
Increase C8
Wiring fault at control leads or tachometer
leads
Check the shielding and check wiring
After enable the amplifier
Choke are not wired in the armature
check wiring
the red fault LED is lit
choke and/or motor inductance too low
the value must amount to, at least, the value for
the corresponding amplifier
short circuit in the motor, wiring or chokes
check wiring, motor and chokes
After turn on amplifier the red LED is lit
without enable amplifier
power stage is defective
exchange amplifier
the red LED is on after a long running
time
power stage overheat
let the module cool down
Red LED goes on when the motor is
decelerating
over voltage caused by high system inertia A braking regulator board needs to be added to
insure proper amplifier use
Red LED goes on immediately after
power up
Over voltage caused by high bus voltage
check transformer and net
9 Commissioning and terminal description
9.1 Front connector X 1
PIN
Signal direction Function
Remark
1
2
- IN
+ IN
Set value
differential , Ri = 20 K
Ω
, max. input voltage
20 V ,max. input Voltage to GND +/- 30 V
3
4
+ IN
- IN
Tacho input
differential, Ri = 54 K
Ω
, max. input voltage
65 V , max. input voltage to GND +/- 70 V
Att. BEMF control for output voltage higher then 60V
5
IN
Enable
negative Logic: open Drive disable
0V (GND) Drive enable
Attention! do not connect to source
positive Logic: open or 0V(GND) Drive disable
+ 24 V Drive enable
6
7
OUT
OUT
drive healthy
signal
relay contact
closed if Drive OK
8
OUT
(IN)
+ 15 V
(Limit switch)
Auxiliary Voltage max. load with 20 mA, not available if using OPT E
input for OPT E Limit switch Logic level set by factory
9
0V
E
(GND)
Electronic ground
10
OUT
(IN)
- 15 V
(Limit switch)
see PIN 8
11
12
+ OUT
- OUT
Motor A1
Motor A2
notice diameter , never short to ground or A2 or power input
ATTENTION !
Apply no Voltage
13
14
IN
IN
+ Ucc
- Ucc/
Содержание MQC 0506
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