PR-18DC-DA-R

Micro PLC
Power supply: DC 12-24V
Input: 6 DI/AI(0-10V) + 6 DI
Output: 6 Relay
1 built-in RS485
Modbus RTU/ASCII
High Quality
CE Certified
Fast Delivery
OEM/ODM
Global Export
Professional Service
PR-18DC-DA-R is an 18-point DC-powered Micro PLC with mixed digital/analog inputs, 6 relay outputs and built-in RS485 Modbus — a flexible controller for machines that mix sensors and on/off loads.

GENERAL SPECIFICATIONS

Timers: 1024

Counters: 1024

Function Blocks: 1024

Operation temp.: -20℃-+55℃

Storage: -40℃-+70℃

Protection: IP20 (Non-waterproof)

RTC accuracy  : MAX ±2S/day

RTC Backup at 25 °C: 20 days

Program and settings Backup :10 years

Data Power-off retentivity: 10 years

Modify parameters via keypad LCD: yes

Dimensions: 95*90*61(Unit:mm)

Certificate: CE

Installation: 35-DIN rail or screw for installation

Modify parameters via keypad LCD: yes

Supported programming language: FBD & Ladder

Expansion capacity: 16 modules (PR-E-16)

Password protection: 4-digit number password protection or disable program upload function

Communication interface: 1 RS232 port (COM0 – RS232 Cable) & 2 RS485 port (COM1 external - SR-RS485, COM2 built-in)

Communication protocol: Modbus RTU/ASCII

Technical Index

Power supply:

Nominal voltage

DC 12-24V

Operating limits

DC 10.8-28.8V

Immunity from micro power cuts

Typ.5 ms

Max. Startup current

Max. 0.45A

Max. absorbed power

4.5 W (10.8V dc); 5.5 W (28.8V dc)

Protection against polarity inversions

Yes

Input parameters:

Input No

12 (I1-IC)

Digital input

12 (I1-IC)

Analogue input

6 (I1-I6) (0..10V DC)

Digital inputs (I7-IC)

Input voltage

DC0-28.8V

Input signal0

< 5V DC; <1mA

Input signal1

> 8 V DC;>1.7mA

Input current

2.2mA @ 10.8V dc

2.3mA @ 12.0 V dc

4.6 mA @ 24 V dc

5.6 mA @ 28.8 V dc

Response time

0 to 1 :<1 ms ;1 to 0 :<1 ms

Maximum counting frequency

60k Hz(I9--IC)

Sensor type

Contact or 3-wire PNP

Input type

Resistive

Isolation between power supply and inputs

None

Isolation between inputs

None

Inputs used as digital inputs (I1-I6)

Input voltage

DC0-28.8V

Input signal0

< 5V DC;<0.1mA

Input signal1

> 8 V DC;>0.2mA

Input current

0.16mA @ 10.8V dc

0.18mA @ 12.0 V dc

0.36mA @ 24 V dc

0.41mA @ 28.8 V dc

Response time

0 to 1 :Typ. 1.5 ms ;1 to 0 :Typ. 1.5 ms

Maximum counting frequency

Typ.:4 HZ

Sensor type

Contact or 3-wire PNP

Input type

Resistive

Isolation between power supply and inputs

None

Isolation between inputs

None

Inputs used as analog inputs (I1-I6)

Measurement range

DC 0---10V

Input impedance

Min, 24KΩ; Max. 72KΩ

Input voltage

28.8 V DC max

Resolution

10bit ,0.01V

Accuracy at 25 °C

± (Max.0.02)V

Accuracy at 55 °C

± (Max.0.04)V

Isolation between analog channel and power supply

None

Cable length

10 m max.  shielded and twisted

Output parameters:

Output No.

6 (Q1-Q6)

Output type

Relay output

Safety certified load (resistive)

10A 250V AC

Min switching load

6V 1A

Electrical durability Expectancy

10 5 Operations at Rated Resistive Load

Mechanical life

10 7 Operations at No Load condition

Response time

Operate Time: 15 mSec. Max.

Release Time: 10 mSec. Max.

Built-in protections

Against short-circuits: None

Against over-voltages and overloads: None

Switch frequency:

Mechanism

10Hz

Resistor/light load

2Hz

Sensitive load

0.5Hz

Other parameters:

Weight

Approx.300g

Installation Dimensions & Wiring Diagram

Download product datasheet

Related Applications
This controller is a common fit for the machines below. Read the application case for the hardware and control logic used: PID Temperature Control .