Emheater EM12 Series, User Manual

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EM12 User’s Manual 3. Installation of Frequency Inverter
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3.10.2 Control Circuit Terminal Layout
Diagram 3-11 EM12 Control Circuit Terminal Sketch Map
3.10.3 Description of control circuit terminals
Table 3-4 Description of control circuit terminals
Type
Terminal
Symbol
Terminal Name Terminal function description
Power
Supply
+10V-GND
Ex10V
power supply
P10V power supply to external unit. Maximum output
current:10Ma
Generally, it provides power supply to external potentiometer with
resistance range of 1 kΩ
~
5kΩ
+24V-COM
Ex24V
power supply
P24 V power supply to external unit. Generally, it provides
power supply to DI/DO terminals and external sensors.Maximum
output current: 200 mA
PLC
External power
supply input
terminals
It connect with +24V default
Analog
input
AI1-GND Analog input 1
1. Input range: DC 0V~10V/ 0mA~20mA(decided by jumper
AI1/AI2 on the control board); AI3: DC -10V~+10V
2. Impedance: 22 kΩ (voltage input), 500 Ω (current input)
AI2-GND Analog input 2
AI3-GND Analog input 3
Digital
input
DI1 Digital input 1
1. Optical coupling isolation, compatible with dual polarity input
2.Input
Impedance: 2.4 kΩ
3. Voltage range for level input: 9V~30 V
DI2 Digital input 2
DI3 Digital input 3
DI4 Digital input 4
DI5 Digital input 5
HDI
High Speed
Pulse Input
Maximum input frequency: 50 kHz
Analog
output
AO1-GND Analog output 1 Voltage or current output is decided by jumper AO1/AO2.
Output voltage range: 0V~10 V
Output current range: 0mA~20 mA
AO2-GND Analog output 2
FMP- COM
High Speed
Pulse Output
Constrained by function code b4-00 "FMP terminal output mode
selection" as the high-speed pulse output, the highest frequency is
50kHz; when use as an open collector output, specifications is the
same as DO.
Relay
output
TA1/2-TB1/2 NC terminal
Contact driving capacity: 250 VAC, 3 A, COSø = 0.4
DC 30 V, 1 A
TA1/2-TC1/2 NO terminal
Auxiliary
interface
Extension card interface
Connect to an optional card (I/O extension card, PLC card and
various bus cards)
PG card interface
Support various types of PG cards: OC, differential, UVW ABZ and
resolver.
Communications expansion Reversed
External keypad interface
External keypad