Chapter 2 Specifications and System Configuration
2-7
Electrical specifications for the inputs on DVP-EX3 Series PLC CPU. The signals passing through
the inputs are 24 VDC signals.
Model
DVP22EX300T
DVP36EX300T
DVP28EX300MT
Removable terminal blocks
Input form Direct current (sinking or sourcing)
X0+~X3+/X0-~X3- differential
X4~X7 / X10-X13: Direct current
Input voltage/ current
24VDC
S/S:80mA
X0~X17:5mA
X0+~X3+/X0-~X3-:5VDC,5mA
X4~X7 / X10-X13: 24VDC, 5mA
S/S:40mA
Action
level
OFF→ON >15VDC
X0+~X3+/X0-~X3-:>0.2VDC
ON→OFF <5VDC
X0+~X3+/X0-~X3-:<-0.2VDC
Response
time
OFF→ON
X0~X7:
1.5μs
X10~X17:50μs
X0+~X3+/X0-~X3-:0.125μs
X4~X7:1.5μs
X10~X13:50μs
ON→OFF
Maximum input
frequency
X0~X7:200kHz
X10~X17:10kHz
X0+~X3+/X0-~X3-:4MHz
X4~X7:200kHz
X10~X13:10kHz
Input impedance
X0~X7:
3.9kΩ
X10~X17:5.6kΩ
5.6kΩ
When the optocoupler is driven, the input LED indicator is ON.
Analog input
2
Analog input
conversion
1
3 ms / channel
Analog input
12 bits
-10V~10V; -20mA~20mA; 4mA~20mA; channels closed
Analog linearity
Normal temperature environment: ±0.5%; All temperature environment: ±1.0%
Analog input
≧1MΩ (Voltage mode)
Analog input
isolation
When there is isolation between analog and di
gital electricals and there is no
isolation among analog channels.
Isolation between analog electrical and grounding: 500 VAC
Isolation between analog and digital electrical: 500 VAC
*
1
: Analog input data updates automatically in every PLC scan cycle. Use REF instruction, if you need to update
the input data before the PLC scan cycle, you can use REF instruction
.