SR-12DC-DA-R
Power supply: DC 12-24V/AC 24V
Input: 4 DI/AI(0-10V) + 4 DI
Output: 4 Relay
Ethernet
Modbus RTU/ASCII, Modbus TCP
SR-12DC-DA-R is a 12-point smart relay with 4 mixed digital/analog inputs (0-10V), 4 relay outputs and built-in Ethernet — flexible AC/DC power for panels where sensor signals matter.
GENERAL SPECIFICATIONS
Timers : 512
Counters: 512
Function Blocks: 512
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 : 72*90*61 (Unit, mm）
Certificate : CE
Installation : 35mm-DIN rail or screw for installation
Modify parameters via keypad LCD: yes
Supported programming language: FBD & Ladder
Expansion capacity: 3 modules (SR-E)
Password protection: 4-digit number password protection or disable program upload function
Communication interface: 1 RS485 port(COM1 external -- SR-RS485)，1Ethernet port(10M)
Communication protocol: Modbus RTU, Modbus TCP
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Technical Index |
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Power supply: |
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Nominal voltage |
DC12-24V /AC24V |
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Operating limits |
DC 10.8-28.8V AC 21.6-26.4V |
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Immunity from micro power cuts |
Typ.5 ms |
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Max. Startup current |
Max. 0.4A |
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Max. absorbed power |
0.25A (10.8V dc); 0.28A (28.8V dc); 0.25A (24V ac) |
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Protection against polarity inversions |
Yes |
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Input parameters: |
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Input No |
8 (I1-I8) |
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Digital input |
8 (I1-I8) |
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Analogue input |
4 (I1-I4) (0...10V DC) |
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Digital inputs (I5-I8) |
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Input voltage |
DC 0-28.8V AC 0-24V |
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Input signal0 |
< 5V DC; <1 mA < 3V AC |
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Input signal1 |
> 8V DC; >1.7 mA > 6V AC |
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Input current |
2.05mA @ 10.8V dc 2.28mA @ 12.0 V dc 4.55 mA @ 24 V dc 5.46 mA @ 28.8 V dc 4.76 mA @ 24 V ac |
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Response time |
DC12-24V 0 to 1: Typ. 3ms; 1 to 0: Typ. 3ms AC24V 0 to 1: Typ. 72ms; 1 to 0: Typ. 72ms |
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Maximum counting frequency |
65k Hz(I5—I8) |
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Sensor type |
Contact or 3-wire PNP |
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Input type |
Resistive |
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Isolation between power supply and inputs |
None |
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Isolation between inputs |
None |
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Inputs used as digital inputs (I1-I4) |
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Input voltage |
DC 0-28.8V AC 0-24V |
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Input signal0 |
< 5V DC; <0.09 mA < 3V AC |
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Input signal1 |
> 8V DC; >0.15mA > 5V AC |
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Input current |
0.16mA @ 10.8V dc 0.18mA @ 12.0 V dc 0.49mA @ 24 V dc 0.62mA @ 28.8 V dc 0.58 mA @ 24 V ac |
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Response time |
DC12-24V 0 to 1： Typ. 5 ms; 1 to 0： Typ. 5 ms AC24V 0 to 1：Typ. 40ms 1 to 0：Typ. 40ms |
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Maximum counting frequency |
Typ.：4 HZ |
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Sensor type |
Contact or 3-wire PNP |
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Input type |
Resistive |
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Isolation between power supply and inputs |
None |
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Isolation between inputs |
None |
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Inputs used as analog inputs (I1-I4) |
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Measurement range |
DC 0---10V |
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Input impedance |
Min, 24KΩ; Max. 72KΩ |
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Input voltage |
28.8 V DC max |
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Resolution |
10bit ,0.01V |
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Accuracy at 25 °C |
± (Max.0.2)V |
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Isolation between analog channel and power supply |
None |
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Cable length |
10 m max. shielded and twisted |
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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 endurance (360ops/h) |
10 5 (at room temperature) |
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Mechanical endurance 10,800ops/h |
10 7 (at room temperature) |
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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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Mechanism |
10Hz |
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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 |
206.5g / 242.9g(packaging) |
Installation Dimensions & Wiring Diagram
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