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Accura 2750LM Logic Control Module

Power Supply
Port name	L+, N-, G (earth ground)
Connector type	Terminal block¹
Wire specification	0.34 — 4.0 mm² (22 — 12 AWG)
Rated insulation voltage (Ui)	150 V
Rated impulse withstand voltage (Uimp)	1 kV
Accura 2750LM	- DC24V	- DC110V
Power supply (Us)	DC 24 V	DC 110V
Operating voltage range	0.75 x Us — 1.3 x Us
Power consumption	Maximum 20 W, 25°C
	when connected with Accura 2750LD and Accura 2750IO modules
Digital Input (DI)
Number of channels	18
Connector / Wire connection type	Pluggable connector / Push-in spring connection
Wire specification	0.25 — 2.5 mm² (24 — 14 AWG)
Insulation voltage	Maximum AC 2,000 V for 1 minute
Accura 2750LM	- DC24V	- DC110V
Input type	External excitation (DC 24 V power supply)	External excitation (DC 110 V power supply
Excitation current	2 — 6 mA @ High voltage	0.5 — 1.5 mA @ High voltage
Low voltage range	DC 0 — 10 V	DC 0 — 55 V
High voltage range	DC 16 — 32 V	DC 80 — 145 V
Digital Output (DO)
Number of channels	9
Connector / Wire connection type	Pluggable connector / Push-in spring connection
Wire specification	0.25 — 2.5 mm² (24 — 14 AWG)
Output type	Dry contact (external excitation), Form-A contact
Allowable voltage for open contacts	1,000 V
Insulation voltage	Maximum AC 2,000 V for 1 minute
Output rating	AC-15: 5 A / 250 V, DC-13: 5 A / 30 V
Output signal type	Latch
External Communication with Host System
RS-485 communication	Modbus RTU Protocol, 1,200-115,200 bps²	1 port (Ta, Tb)
	Communication cable	UL 2919 RS-485 1P[2P] 24 AWG
	Communication cable length	Up to 1,219 m (4,000 ft)
	Maximum number of connected devices	32 per bus²
Connection with Modules
Communication with Accura 2700M	Internal dedicated protocol	2 ports with the same functions (A2700M-1, 2700M-2)
		Supports redundancy of Accura 2700M devices
	Connector type	RJ45
	Communication cable	Ethernet cable 24 AWG solid copper Cat 5e FTP, STP, SFTP³
	Communication cable length	Up to 300 m per port
Communication with Accura 2750LD HMI module	100 Base-TX(100 Mbps/Full Duplex) Internal dedicated protocol	1 port (DISPLAY)
	Communication cable	Ethernet cable 24 AWG solid copper Cat.5e FTP(F/UTP)⁴
	Communication cable length	3.5 m
Communication with Accura 2750IO	Internal dedicated protocol	2 ports with the same functions (IO-1, IO-2)
		Supports communication redundancy through ring topology
	Connector type	RJ45 connector
	Communication cable	Ethernet cable 24 AWG solid copper Cat.5e FTP, STP, SFTP
	Total cable length	Up to 100 m when devices are connected in a ring topology
	Max. number of Accura 2750IO modules that can be connected	15 (ring topology)
Management Function
Accura 2750IO module management	Maximum 15 modules can be connected in a ring topology
	Management function	Sends control commands to the module
		Collects information on the measurements and status of each module

1. The maximum tightening torque of the barrier-type screw terminal is 1.4 Nm (14 kgf-cm, 12 Ibf-in).
2. Up to 15 modules can be connected per bus at 115,200 bps.
3. FTP: Foiled Shield Twisted Pairs, STP: Braided Shield Twisted Pairs, SFTP: Braided Foiled Shield Twisted Pairs
4. It is provided with the product. FTP(F/UTP): Foiled Shield Twisted Pairs

Accura 2750LD HMI Module

Power Supply
Voltage	Receives power from Accura 2750LM using its built-in connector or internal communication cable for the HMI module
LCD Display
LCD features	5" (108.0 x 64.8 mm) Color TFT LCD, 800 x 480 pixel
	LED backlight and touch panel LCD screen on the front
LED
LEDs on the front	4 LEDs
	POWER	Turned on when the power is on
	EVENT	Blinks when an event occurs (It can be set to be turned on.)
	RS485	Blinks when Accura 2750LM performs RS485 communication with host system (It can be set to be turned on.)
	MODULE	Blinks when Accura 2750LM communicates with Accura 2750IO module (It can be set to be turned on.)
Buttons
Buttons on the front	4 buttons
	HOME	Moves to the display screen of Module
	SETUP	Moves to the setup screen of Module
	EVENT	Moves to the event screen of Module
	BACK	Moves to the previous screen
Connection with Accura 2750LM
Communication with Accura 2750LM	100 Base-TX(100 Mbps/full duplex), Internal dedicated protocol		1 port (DISPLAY)
	Communication cable length		3.5 m

Accura 2750IO IO Module

Common
Power Supply	Supplied from Accura 2750LM through the communication cable
Communication Ports	Port name	RJ45-A, RJ45-B (ring daisy-chain connection)
	Connector type	RJ45
	Protocol	Internal dedicated protocol
	Communication cable	Ethernet cable 24 AWG solid copper CAT.5e FTP, STP, SFTP¹
Rotary Switch	Communication ID	1 — 15
	Standby ID	0 (factory default ID number, communication unavailable)
Digital Input	Connector	Pluggable connector / Push-in spring connection
	Wire specification	0.25 — 2.5 mm² (24 — 14 AWG)
	Insulation voltage	Maximum AC 2,000 V for 1 minute
	Option	-DC24V	-DC110V
	Input type	External excitation(DC 24 V power supply)	External excitation (DC 110 V power supply)
	Excitation current	2 — 6 mA @ High voltage	0.5 — 1.5 mA @ High voltage
	Low voltage range	DC 0 — 10 V	DC 0 — 55 V
	High voltage range	DC 16 — 32 V	DC 80 — 145 V
Digital Output	Connector	Pluggable connector / Push-in spring connection
	Wire specification	0.25 — 2.5 mm² (24 — 14 AWG)
	Output type	Dry contact (external excitation), Form-A contact
	Insulation voltage	Maximum AC 2,000 V for 1 minute
	Output rating	AC-15: 5 A / 250 V, DC-13: 5 A / 30 V
	Allowable voltage	1,000 V
	Output signal type	Latch
Accura 2750IO-DI2
Digital input	Number of channels	22
Accura 2750IO-DO1
Digital output	Number of channels	6
Accura 2750IO-DO2
Digital output	Number of channels	12
Accura 2750IO-AI1
Analog input	Number of channels	6
	Analog input type	DC 4-20 mA/ 0-20 mA current
	Input signal type	Single-ended input with isolated common ground between channels
	Internal input resistance	130 Ω
	Accuracy	±0.5 % Full Scale (Full Scale: 20 mA)
Accura 2750IO-RTD2
Analog input	Number of channels	8
	Sensor Type	PT 100 / PT 1000
	Temperature range	2-Wire / 3-Wire
	Wire connection	-100 - 200 ℃
	Accuracy	±0.5% Full Scale (Full Scale: 200 ℃)

1. FTP: Foiled Shield Twisted Pairs, STP: Braided Shield Twisted Pairs, SFTP: Braided Foiled Shield Twisted Pairs

General

Environmental Conditions
Operating temperature	-20 - 65°C (-4 - 149°F)
Storage temperature	-40 - 85°C (-40 - 185°F)
Humidity	5 - 95 % (non-condensing)
Operating altitude	Up to 2,000 m
Dustproof and Waterproof			IEC 60529
Accura 2750LM, Accura 2750IO-DI2, Accura 2750IO-DO1, Accura 2750IO-DO2, Accura 2750IO-AI1, Accura 2750IO-RTD2	IP 20
Accura 2750LD	IP 54
Shock			IEC 60068-2-27
All modules	15 g / 11 ms
Heat Resistance
The exterior of all products	V0		UL94
	960°C		IEC 60695-2-11
Membrane, LCD screen of Accura 2750LD	V2		UL 94
	650 °C		IEC 60695-2-12
EMC Immunity
Electrostatic Discharge	8 kV / air	±6 kV / contact	IEC 61000-4-2
Radiated Radio-Frequency Electromagnetic Field	10 V/m		IEC 61000-4-3
Electrical fast transient/Burst immunity	±2 kV / 5 kHz (power)	±1 kV / 5 kHz (signal)	IEC 61000-4-4
Surge immunity	±1 kV(line-earth)	±0.5 kV(line-line)	IEC 61000-4-5
Immunity to conducted disturbances induced by radio-frequency field	3 V		IEC 61000-4-6
Power frequency magnetic field	30 A/m		IEC 61000-4-8
Voltage dips, short interruptions and voltage variations immunity	0 %, 0.5 cycles	40 %, 10/12 cycles	IEC 61000-4-11
	70 %, 25/30 cycles	80 %, 250/300 cycles
Voltage Interruption (Class C)	0 %, 250/300 cycles		IEC 61000-4-11
EMC Emission
Conducted emission and radiated emission	CISPR 11 Group1 Class A		CISPR 11
	IACS UR E 10 Rev. 7 2018
Weight
Accura 2750LM	550 g
Accura 2750LD	400 g
Accura 2750IO-DO1/AI1	200 g
Accura 2750IO-DI2/DO2/RTD2	250 g
Demension
Accura 2750LM	148.6W x 126.6H x 77.2D
Accura 2750LD	151.5W x 129.6H x 33.0D
Accura 2750IO-DO1/AI1	25.0W x 103.0H x 114.5D
Accura 2750IO-DI2/DO2/RTD2	48.0W x 103.0H x 114.5D

Accura 2750LM Logic Control Module
Option	-DC24V	Power supply DC 24 V, digital input DC 24 V
	-DC110V	Power supply DC 110 V, digital input DC 110 V
Description	RS-485 or Ethernet communication with host system
	Digital input/output, 18 DI channels, 9 DO channels provided
	Accura 2750IO module expansion connection
	Accura 2750LD HMI module connection
Accura 2750LD HMI Module for Logic Control
Description	4 buttons and 5-inch color TFT LCD (with touch panel)
	Setup, control, status monitoring
Accura 2750IO IO Module
Accura 2750IO-DI2
Option	-DC24V	Digital input DC 24 V
	-DC110V	Digital input DC 110 V
Description	Digital input, 22 channels
Accura 2750IO-DO1
Description	Digital output, 6 channels
Accura 2750IO-DO2
Description	Digital output, 12 channels
Accura 2750IO-AI1
Description	Analog input, DC current 4 - 20/ 0 - 20 mA
	6 channels
Accura 2750IO-RTD2
Description	Analog input, Temperature measurement via RTD sensor
	8 channels