PR-18AC-R
Power supply: AC 110V-240V
Input: 12 DI(AC)
Output: 6 Relay
1 built-in RS485
Modbus RTU/ASCII
PR-18AC-R is an 18-point AC-powered Micro PLC with 12 AC inputs, 6 relay outputs and built-in RS485 Modbus — a dependable logic engine for pumps, HVAC panels and small OEM machines.
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
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
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Technical Index |
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Power supply: |
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Nominal voltage |
AC110V-240V |
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Operating limits |
AC85 - 265 V |
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The main frequency range |
47-63Hz |
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Max. absorbed power |
170mA (85V ac); 70mA (265V ac) |
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Surge Immunity |
1780V AC |
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Protection against polarity inversions |
Yes |
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Input parameters: |
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Input No |
12 |
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Digital input |
12 (I1-IC) |
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Analogue input |
None |
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Input voltage |
AC110-240V |
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Input signal0 |
AC0-40V；<0.03mA |
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Input signal1 |
AC79-240V；>0.06mA |
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Input Response Time |
Delay time at 0 to 1： 120V AC ：Typ. 50 ms 240V AC ：Typ. 30 ms Delay time at 1 to 0： 120V AC ：Typ. 100 ms 240V AC ：Typ.130 ms |
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Maximum counting frequency |
Typ. 4Hz |
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Sensor type |
Contact |
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Isolation between power supply and inputs |
None |
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Isolation between inputs |
None |
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Protection against polarity inversions |
Yes |
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Output parameters: |
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Output No. |
6 (Q1-Q6) |
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Output type |
Relay output |
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Safety certified load (resistive) |
10A 250V AC |
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Min switching load |
6V 1A |
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Electrical durability Expectancy |
10 5 Operations at Rated Resistive Load |
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Mechanical life |
10 7 Operations at No Load condition |
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Response time |
Operate Time: 15 mSec. Max. Release Time: 10 mSec. Max. |
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Built-in protections |
Against short-circuits: None Against over-voltages and overloads: None |
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Switch frequency: |
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Resistor/light load |
2Hz |
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Sensitive load |
0.5Hz |
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Other parameters: |
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Weight |
Approx.300g |
Installation Dimensions & Wiring Diagram
