3. Electrical Installation MD500 User Manual
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3. Electrical Installation
3.1 Typical System Connection
R
S
T
U
V
W
+24V
OP
DI1
DI2
DI3
DI4
DI5
COM
+10V
AI2
GND
485+
485-
GND
AI1
TA
TB
TC
FM
COM
DO1
CME
AO1
GND
A
B
Z
15V
COM
PE
A1
B1
L1
L2
L3
M
PG
AM
MDBUN
-
+
BR
-+
BR
VI
Jumper J7
Jumper J
I
V
Forward run
(F4-00 = 1)
Reverse run (F4-01 = 2)
Fault reset (F4-02 = )
Reference 1
(F4-03 = 11)
Reference 2
(F4-03 = 12)
The DI5 supports a maximum
of 100 kHz pulse input.
1 to 5 kȎ
0 to 10 V
0 to 20 mA
Modbus-RTU
(max.: 115200 bps)
STP
cable
Ground bar
Ground bar
MD38TX1
(optional)
J13
extension
port
0 V
J11 RJ45
(connecting
external operation
panel)
MD38PG5
(optional)
J4 extension port
For models of 18.5 to 75 kW
For models of to 110 kW
Frequency division output
Analog output
(Voltagecurrent switchable)
0 to 10VDC0 to 20mA
Pulse output: 0 to 100 kHz
Open-collector output:
10 to 24VDC0 to 50mA
Open-collector output:
10 to 24VDC0 to 50mA
Relay output:
250 VAC, between 10 mA and 3 A
30 VDC, between 10 mA and 1 A
Fuse
Contactor
Breaker
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