PR-12AC-R-N
Power supply: AC 110V-240V
Input: 8 DI(AC)
Output: 4 Relay
Ethernet, 1 built-in RS485
Modbus RTU/ASCII, Modbus TCP, MQTT, BACnet MSTP / BACnet IP
PR-12AC-R-N is a 12-point Ethernet Micro PLC with 8 AC inputs, 4 relay outputs and native Modbus TCP, MQTT and BACnet over wired Ethernet — a connected core for small machines that must report to SCADA, BMS or the cloud.
GENERAL SPECIFICATIONS
Timers: 512
Counters: 512
Function Blocks: 512
Operation temp.: -20°C - +55°C
Storage: -40°C - +70°C
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
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 available via SR-RS485, C0M2 - built-in RS485 port), 1 Ethernet port.
Communication protocol: Modbus RTU/ASCII, Modbus TCP, MQTT, BACnet
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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 |
50mA (85V ac); 40mA (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 |
8 |
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Digital input |
8 (I1-I8) |
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Analogue input |
None |
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Input voltage |
AC110-240V |
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Input signal0 |
AC0-40V；<0.015mA |
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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. |
4 (Q1-Q4) |
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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.400g |
Installation Dimensions & Wiring Diagram
