CPU ST20 DC/DC/DC

CPU ST20 DC/DC/DC

E5 200Smart CPU Basic Edition,CPU ST20 Transistor,12DI/8DO,1*RJ45,1*RS485, Expandable to 6IO

Model no

SR20

Article No

E5 288-1SR20-0AA1

Description

Basic Edition CPU SR20, Relay

Dimensions WxHxD(mm)

90×100×81mm

I/O

12DI/8DO

Product parameters

Specification parameters Model no CPU SR20 AC/DC/RLY
Article No E5 288-1SR20-0AA1
Description Basic Edition CPU SR20, Relay
Conventional norm Dimensions WxHxD(mm) 90×100×81mm
Power Consumption 14W
Available current(SM bus) max.1400mA
Available current(24V DC) max.300mA
CPU Features Program Memory (KB) 30
Data Memory (KB) 8
Retentive Memory (KB) 10
Data Preservation permanent
Built-in I/O
Digital Input/Output 12 input /8 output
Analog Input/Output
Process Image Size 256-bit input (I)/256-bit output (Q)
Analog Image 56 words input (AI) 56 words output (AQ)
Expansion Modules Allowed Up to 6 modules
High speed counter (total) 4 in total
.Single Phase 4 50KHz(HSC0-3)
.Quadrature Phase 1 30KHz(HSC0)
Pulse output -
Timer Non-holding (or not retained) (TON, TOF):192 Holding (or retained) : 64
Counters 256
Bit memory(M) 256 bits
Cycle Interrupt 2 in total, T32 and T96 have a resolution of 1ms
Interrupt Edge 4 up and 4 down
Real Time Clock Usually 7 days, at least 6 days at 25°C
Memory card support
Signal expansion boar support
Performance/ Processing Time .Boolean 0.35uS/instruction
.Moving Word Operations 1.2uS/instruction
.Floating Point 1.7uS/instruction
Communications Built-in Ports Ethernet: 1 Body serial port: 1(DB9-RS485) DB board serial port: 1(CM01-RS485-RS232)
HMI Connections Ethernet: 5 connections Serial port: 4 connections
Programming (PG) 1 connection
Ethernet
CPU(PUT/GET) Share 5 connections
Open type communication Share 5 connections
Data Transmission rate Ethernet:10/100 Mb/s; RS485 System Protocol:9600,19200 and 187500 b/s; RS485 free port:1200 to 115200 b/s
Isolation Ethernet:Transformer isolation,1500VDC; RS485:None
Cable type Ethernet:CAT5e Shielded cable RS485:PROFIBUS Network cable
Power Input Voltage 85-264VDC
Input current(CPU only) 130mA(w/o 300mA power supply output of the sensor)when CPU only at 120V AC 250mA(w/ 300mA power supply output of the sensor)when CPU only at 120V AC 80mA(w/o 300mA power supply output of the sensor) when CPU only at 240V AC 150mA(w/ 300mA power supply output of the sensor)when CPU only at 240V AC
Input current(Includes CPU and all expansion accessories) 300mA at 120VAC 190mA at 240VAC
Inrush Current (Max) 9.3A at 264VDC
Sensor voltage 20.4-28.8VDC
Isolation
Input to logic 1500VAC,1min
Sensor to logic Not isolated
Digital Input Number of Inputs 12
Input type The sinking /sourcing type(IEC type 1 sinking)
Allowable Continuous Voltage Max.30VDC
Surge voltage(Max) 35V DC, lasting 0.5s
Logic 1 signal(Min) 15V DC when the current is 2.5mA
Logic 0 signal(Max) 5V DC when the current is 1mA
Optical Isolation (field side and logic side) 500V AC lasting 1.0min
Isolation group 1
Filter time Each channel can be separately selected:0, 6.4ms and 12.8ms;
Digital Output Number of Outputs 8
Output type Relay, dry contact
Voltage range 5-30VDC or 5-250VAC
Surge Current (Max) 7A when power on
Rated Current per each point (Max) 2.0A
Switching Frequency (Max) Not recommended
Turn-on delay(Qa.0-Qa.3) Up to 10ms
Turn-off delay(Qa.4-Qa.7) Up to 10ms
Optical Isolation (field side and logic side) 500V AC lasting 1.0min
Contact Lifetime
non-loaded 10,000,000 cycles
Rated load 10,000 cycles

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