SR-22DC-DA-R-B
Power supply: DC 12-24V/AC 24V
Input: 6 DI/AI(0-10V) + 8 DI
Output: 8 Relay
Ethernet
Modbus RTU/ASCII, Modbus TCP
SR-22DC-DA-R-B is a 22-point smart relay with mixed digital/analog inputs, 8 relay outputs and built-in Ethernet — more points and analog input flexibility in one DIN-rail unit.
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 : 133*90*60 (Unit, mm）
Certificate : CE
Installation : 35mm-DIN rail or screw for installation
Modify parameters via keypad LCD: No
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: 2 RS485 port (COM1 external - SR-RS485, COM2 built-in), 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 |
DC10.8-28.8V 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 |
0.32A (10.8V dc); 0.12A (28.8V dc) 0.28A (24V ac) |
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Protection against polarity inversions |
Yes |
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Input parameters: |
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Input No |
14 (I1-IE) |
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Digital input |
14 (I1-IE) |
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Analogue input |
6 (I1-I6) (0...10V DC) |
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Digital inputs (I7-IE) |
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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 |
2.1mA @ 10.8V dc 2.3mA @ 12.0 V dc 4.6 mA @ 24 V dc 5.5 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(I9—IC) |
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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-I6) |
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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-I6) |
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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. |
8 (Q1-Q8) |
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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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LED Indicator Status: |
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ETH (Ethernet Communication Indicator) |
ETH_LINK: Green (indicates the network connection is established.) |
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ETH_DATA: Flashing yellow (indicates communication data is being transmitted.) |
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RUN/STOP (PLC Run/Stop Indicator) |
Green: RUN status Red: STOP status |
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Other parameters: |
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Weight |
250g |
Installation Dimensions & Wiring Diagram
