Iot CPU ST40 DC/DC/DC

Model noST40Article No E7 288-1ST40-0AG6 Description Iot CPU ST40, Transistor Conventional normDimensions WxHxD（mm）125×100×81mmPower dissipatio18WAvailable current（SM bus 5V）1400mAAvailable curre

Model no

ST40

Article No

E7 288-1ST40-0AG6

Description

Iot CPU ST40, Transistor

Dimensions WxHxD（mm）

125×100×81mm

I/O

24DI/16DO

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Product parameters Wiring diagram Relevant information

Specification parameters	Model no	CPU ST40 DC/DC/DC
	Article No	E7 288-1ST40-0AG6
	Description	Iot CPU ST40, Transistor

Conventional norm	Dimensions WxHxD（mm）	125×100×81mm
	Power Consumption	18W
	Available current（SM bus）	max.1400mA
	Available current（24V DC）	max.300mA

CPU Features	Program Memory (KB)	24
	Data Memory (KB)	16
	Retentive Memory (KB)	10
	Data Preservation	permanent
	Built-in I/O
	Digital Input/Output	24 input /16 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)	6 in total
	.Single Phase	4 200KHz + 2 30KHz
	.Quadrature Phase	2 100KHz + 2 20KHz
	Pulse output	3 100KHz
	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	Integrated DB 206NG

Performance/ Processing Time

.Boolean

0.35uS/instruction

.Moving Word Operations

1.2uS/instruction

.Floating Point

1.7uS/instruction

Communications Built-in	Ports	Ethernet: 1 RS485 port: 2 (DB9) Additional DB board 485 interface: 1 (CM01)
	HMI Connections	Ethernet：5 Connect; Serial port：4 Connect
	Programming (PG)	1 Connect
	Etherne	Upload and download program: support touch screen; Host computer communication: support MODBUS TCP
	CPU（PUT/GET）	support 5 links
	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	20.4-28.8V DC
	Input current（CPU only）	190mA（w/o 300mA power supply output of the sensor）when CPU only at 24V AC 470mA（w/ 300mA power supply output of the sensor）when CPU only at 24V AC
	Input current（Includes CPU and all expansion accessories）	680mA at 24V AC
	Inrush Current (Max)	11.7A at 28.8V DC
	Sensor voltage	20.4-28.8VDC
	Isolation
	Input to logic	No quarantine
	Sensor to logic	Not isolated

Digital Input	Number of Inputs	24
	Input type	The sinking /sourcing type ( IEC type1 sinking, excepting I0.0 to I0.3)
	Allowable Continuous Voltage	Max.30VDC
	Surge voltage(Max)	35V DC, lasting 0.5s
	Logic 1 signal(Min)	the voltage is 4V DC when it ranges from I0.0 to I0.3 I0.6 to I0.7: 8mA, other input: 15V DC at 2.5mA
	Logic 0 signal(Max)	the voltage is 4V DC when it ranges from I0.0 to I0.3 I0.6 to I0.7: 1mA, other input: 5V DC at 1mA
	Optical Isolation (field side and logic side)	500V AC lasting 1.0min
	Isolation group	1
	Filter time	Each channel can be separately selected (points I0.0 to I1.5): 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8us; 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8ms each channel can be individually selected (I1.6 and larger points): 0, 6.4, 12.8ms

Digital Output	Number of Outputs	16
	Output type	Solid-MOSFET (source-type)
	Voltage range	20.4-28.8V DC
	Surge Current (Max)	8A, max. lasting 100ms
	Rated Current per each point (Max)	0.5A
	Switching Frequency (Max)	-
	Turn-on delay（Qa.0-Qa.3)	from the disconnection to connection(Max): 1.0 µs; from the connection to disconnection(Max): 3.0 µs
	Turn-off delay（Qa.4-Qb.7)	from the disconnection to connection(Max): 50 µs; from the connection to disconnection(Max): 200 µs
	Optical Isolation (field side and logic side)	500V AC lasting 1.0min
	Contact Lifetime
	non-loaded	-
	Rated load	-