LEROY-SOMER
4946 - 2013.07 / a
POWERDRIVE MD2CS
25
en
InstallatIon and maIntenance
Chassis-mounted variable speed drive
connectIons
8
AO1
analog output
Factory setting
4-20 ma motor current signal
output type
Bipolar analog voltage in common
mode or unipolar current in
common mode
Resolution
13 bits
sampling period
2 ms
Voltage mode
Voltage range
± 10 V
load resistance
1 kΩ minimum
Current mode
current range
0 to 20 ma, 4 to 20 ma
load resistance
500 Ω maximum
9
DI1
PTC
digital input 1
or Ptc thermal sensor
Factory setting
no assignment
sampling period
2 ms
Thermal sensor input
Voltage range
± 10 V
trip threshold
> 3.3 kΩ
Reset threshold
< 1.8 kΩ
Digital input
type
digital input in positive logic
Voltage range
0 to + 24 V
absolute maximum voltage
range
0 V to + 35 V
thresholds
0 : < 5 V
1 : > 13 V
10
0V
analog circuit common 0 V
the 0 V on the electronics is connected to the metal ground of the
drive
3.2.2.2 - PX2 terminal block characteristics
1
+24V ref
+24 Vdc user output
9
+24 VDC user output
output current
100 ma
accuracy
± 5%
Protection
current limiting and setting to trip
mode
2
DO1
digital output
Factory setting
Zero speed
characteristic
open collector
absolute maximum voltage
+ 30 V/0 V
overload current
150 ma
3
STO-1
drive enable input 1
(safe torque off function)
6
STO-2
drive enable input 2
(safe torque off function)
Input type
Positive logic only
absolute maximum voltage
+ 30 V
thresholds
0 : < 5 V
1 : > 13 V
Response time
< 20 ms
4
DI2
digital input 2
5
DI3
digital input 3
7
DI4
digital input 4
8
DI5
digital input 5
dI2 factory setting
selection of speed reference
dI3 factory setting
dI4 factory setting
Run FWd/stop input
dI5 factory setting
Run reverse/stop input
type
digital inputs in positive logic
Voltage range
0 to + 24 V
absolute maximum voltage
range
0 to + 35 V
thresholds
0 : < 5 V
1 : > 13 V
3.2.2.3 - PX3 terminal block characteristics
1
COM-RL1
n/o (normally open) relay output
2
RL1
3
COM-RL2
n/o (normally open) relay output
4
RL2
Factory setting Rl1
drive status relay
Factory setting Rl2
maximum speed alarm
Voltage
250 Vac
maximum contact current
2 a - 250 Vac, resistive load
1 a - 250 Vac, inductive load
2 a - 30 Vdc, resistive load
• Provide a fuse or other overcurrent protection in
the relay circuit.
Note:
When the Rl1 or Rl2 relay is activated, the
corresponding status led on the control board lights up (see
diagram in section 3.2.1).
