DRV-28 inverter
s Installation guide
-27-
Terminal
name
Instruction
5.
25°C, When input above 5V or 10mA, the error is ±0.5%
GND
+10.5V reference zero potential
AO1
1.
Output range: 0
–10V voltage or 0–20mA current
2.
Voltage or current output is set by toggle switch SW2;
3.
25
°C, when input above 5V or 10mA, the error is ±0.5%.
RO1A
RO1 relay output; RO1A is NO, RO1B is NC, RO1C is common port
Contact capacity: 3A/AC250V, 1A/DC30V
RO1B
RO1C
RO2A
RO2 relay output; RO2A is NO, RO2B is NC, RO2C is common port
Contact capacity: 3A/AC250V, 1A/DC30V
RO2B
RO2C
HDO
1.
Switch capacity: 200mA/30V;
2.
Range of output frequency: 0
–50kHz
3.
Duty ratio: 50%
COM
Common port of +24V
CME
Common port of open collector output; short connected to COM by default
Y1
1. Switch capacity
: 200mA/30V;
2. Range of output frequency
: 0–1kHz
485+
485 communication port, 485 differential signal port and standard 485
communication interface should use twisted shielded pair; the 120ohm terminal
matching resistor of 485 communication is connected by toggle switch SW3.
485-
PE
Grounding terminal
PW
Provide input digital working power from external to internal;
Voltage range: 12
–24V
24V
The inverter provides user power; the maximum output current is 200mA
COM
Common port of +24V
S1
Digital input
1 1.
Internal impedance: 3.3kΩ
2.
Accept 12
–30V voltage input
3.
This terminal is bi-directional input terminal and supports
NPN/PNP connection modes
4.
Max. input frequency: 1kHz
5.
All are programmable digital input terminals, users can set the
terminal function via function codes
S2
Digital input
2
S3
Digital input
3
S4
Digital input
4
HDIA
Besides S1
–S4 functions, it can also act as high frequency pulse input channel
Max. input frequency: 50kHz;
Duty ratio: 30%
–70%;
Supports quadrature encoder input; equipped with speed-measurement function
HDIB
+24V—H1 STO input 1 1.
Safe torque off (STO) redundant input, connect to external NC
