Inovance MD210 Series - Page 8

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9 Terminals of Control Circuit
Terminal
Terminal Name
Description
+10V
-GND
+10 V
DC power supply
Provide +10 VDC power supply to external unit. Usually, it provides power
supply to external potentiometer with resistance range of 1kΩ
to 5 kΩ.
Max.. output current: 10 mA.
+24V
-COM
+24
VDC power supply
Provide +24 VDC power supply to external unit. Usually, it provides power
supply to DI/DO terminals and external sensors
.
Max. output current: 200 mA.
OP
Input terminal of external power supply
Connect to +24 VDC by default. Whether it connects to +24 V or COM is
decided by jumper J3.
When DI1 to
DI5 need to be driven by external signal,
OP needs to be connected to external power supply and be disconnected
from +24 VDC.
AI1
-GND
Analog input 1
Input voltage range: 0 to 10 VDC.
Impedance: 22 kΩ.
DI1-COM
Digital input 1
Optical coupling isolation, compatible with dual
-polarity input.
Impedance: 2.
4 kΩ.
Input voltage range: 9
to 30 VDC.
DI2-COM
Digital input 2
DI3-COM
Digital input 3
DI4-COM
Digital input 4
DI5
-COM
High
-speed pulse input
Besides features of DI1 to DI4, it can be used for high-speed pulse input.
Max. input frequency: 20 kHz.
AO1
-GND
Analog output 1
Output voltage range: 0
to 10 VDC.
485+
-485-
Communication terminal
MODBUS protocol.
Baud rate: 300 to 115200 bps.
Max.
nodes: 32.
Terminal resistance jumpers: J4 and J12.
T/A
-T/B
Normally closed terminal
Contact driving capacity:
250
VAC, 0.2 A, COSø=0.4;
30
VDC, 1 A.
T/A-T/C
Normally open terminal
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