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Programmable Logic Controller (PLC) Segnetics SMH4 is the further development of the SMH model line. The controller combines a powerful filling based on a 32-bit processor with an ARM Cortex-A8 core, a touch-sensitive color screen and the ability to expand I / O ports. These features allow to adapt this PLC for a wide range of automation tasks. By using the expansion modules MC and MR you can add analog inputs / outputs, as well as increase the number of discrete ones. SMArt software package accelerates the creation of convenient and attractive user interfaces.

Here are two controller modifications: SMH4-0011-00-0 and SMH4-1011-00-0.
The main difference is that SMH4 1011-00-0 can use the technology of high-speed bus MTBus


User manual
Download SMLogix

MTBus system bus
Only in modification
SMH4 - 1011-00-0
VNC technology
Control, view, change data on the PLC in remote mode.
Bright display
True Color display with a 4.3-inch diagonal
at 480 x 272 pixels.
Touch control
Touch control of the controller.

Features

Touch Screen
The SMH4 resistive screen immediately responds to touch even with Kevlar gloves. Membrane the display membrane has been tested at full load and is ready for use in extreme conditions.
Its degree of protection is IP65.

Advanced applications
Фотография 1
Ventilation
Фотография 1
HEAT
Фотография 1
Power supply

Фотография 1
Transport
Фотография 1
Industrial machines
Фотография 1
Oil and gas
Фотография 1
Agriculture
Фотография 1
Food industry
Фотография 1
Metallurgy

Specification

Computing Subsystem

HMI
Built-in memory

RAM

Operating system
 

4 GB, eMMC Flash

256 Mb, DDR3

Linux Debian + Suspend automatic mode


Graphic display
 

Display resolution

Touch screen

Keyboard

Real time clock

Sound alarm

LED indication
 

TFT, color «TrueColor»,
diagonal 4.3"

480 х 272 pixels

Resistive across the display area

13 buttons

Replaceable CR2032 Battery

Single tone

4 LEDs
1 service LED

Discrete inputs

Discrete outputs
Quantity and type
 
 
 
 

Type of interchange

Trigger Voltage Levels

3 ... 5 galvanically isolated inputs (the number is configured programmatically) with support the function of counting inputs up to 10KHz

Group

Open: 4.2 ... 24V
Closed: 0 ... 1.1V


Quantity and type
 
 
 
 

Switched current
no more

Additional protection
 

Type of protection
 
 
 

2 transistor outputs
(without galvanic isolation)
1 optorelay
(galvanically isolated)
configurable by software

0.4А
 

0 ... 24V DC,
0 ... 24V AC for opto-relay

Surge suppression over 36V and 0.5A resettable fuse

Interfaces

Power
RS-232
 
 
 
 

RS-485x2*
 
 
 

USB-host
 
 
 

USB-device
 

Ethernet
 
 
 

SD-card
 

4800…115200 bps,
Galvanically isolated,
Terminator: 120 Ohm,
Protocol: Modbus-RTU
Connector: Terminal Block

4800…115200 bps,
Galvanically isolated,
protocol: Modbus-RTU,
Connector: Terminal Block

USB 2.0
Connector: Type A
Current delivered to load up to 0.5A

USB 2.0,
Connector: Mini-AB type

10Base-T / 100Base-TX,
Galvanic isolation: 1.5 kV
Protocol: Modbus-TCP, etc.
Connector: 8P8C (RJ-45)

micro SD-card,
speed - 192Mbit/sec


Rated voltage

Power consumption
 
 

Galvanic isolation

Voltage range

USB Powered
 
 
 
24V DC ± 5%

No more than 7W without MS module
No more than 12 W with connected MC module

No

18 ... 36V of a direct current
 

For debugging purposes only. Full operation of all controller interfaces and I / O is not available.

Size

Terms of Use
Height

Width

Thickness

Weight

125.2 mm

145.2 мм

46 mm

360 g


Degree of protection of the case

Temperature

Humidity

Pressure
 
 

IP65
 

0oС …+55oС

up to 90% non-condensing

Altitude up to 3000 m above sea level (526 mm Hg, 70.1 kPa)


* - Only in the SMH4 - 1011-00-0 modification, the system bus port can be used as an additional RS 485 port.

Modification

Vendor code
Din
Dout
Ain*
Aout*
I/O modules
MTBus support
SMH4 controller - 0011-00-0
5
2 transistors
0
0
MC, MR, FMR
-
SMH4 controller - 1011-00-0
5
2 transistors
0
0
MC, FMR
COM 3 (FMR)

* - To control analog processes, it is paired with the MC module.