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With different communication interface, the I/O modules can be classified to high communication speed (Parallel bus) 8K series modules and low communication speed (serial interface) 87K series modules.

Go to I-8K Series

Go to I-87K Series

I-8K Series VS I-87K Series There are two types of I/O modules, Parallel and Serial. The parallel modules (I-8K Series) are high-speed modules and support MCU (Main Control Unit) only. The serial modules (I-87K Series) can support either MCU or I/O expansion unit. The difference between the two series are:
Model	I-8K Series	I-87K Series
Communication interface	Parallel bus	Serial bus
Protocol	-	DCON
Communication speed	Fast	Slow
DI with latched function	-	Y
DI with counter input	-	Y (100 Hz)
Power on value	-	Y
Safe value	-	Y
Programmable slew-rate for AO module	-	Y

High Profile VS Low Profile
With different form factor, I/O modules can be classified to high profile and low profile. Basically, high profile and low profile modules that with same item number also have same I/O channel number.
For example: I-8054 and I-8054W both has 8 DI and 8 DO.
Except I/O channel number, other specifications could be different. You have to double check whether the specifications suit your application. For example:
For I-8054W, its DI logic high level is +10~+50V. But for I-8054, it is +3.5~+30V.

The support list of MCU (Main Control Unit) and I/O expansion unit are:

I-8K Series VS I-87K Series There are two types of I/O modules, Parallel and Serial. The I-8K series modules are high-speed modules with parallel interface and the I-87K series are serial interface modules. Both they are supported on PAC (Programmable Automation Controller) units listed in the following table.
PAC	Description	I-8K Series		I-87K Series
PAC	Description	High Profile	Low Profile	High Profile	Low Profile
XPAC	WES/CE6 OS	Y…	-	Y…	-
WinPAC	CE5 OS	Y…	-	Y…	-
LinPAC	Linux OS	Y…	-	Y…	-
ViewPAC	PAC with Display	Y(Note)	-	Y(Note)	-
iPAC	MiniOS7 OS	Y	-	Y	-
iPPC-6731-WES7	WES PAC with 15" Touch Panel	Y	-	Y	-
MP-8000	Motion PAC	Y…	-	-	-
I-8000	MiniOS7 OS	Y	Y	Y	Y

I-8K Series VS I-87K Series The high-speed I-8K series are parallel interface modules and I-87K series are serial interface modules. Both they are supported on PAC-base slave I/O unit. But only I-87K series modules are supported on expansion I/O units like I-87Kn, ET-87Pn, RU-87Pn and USB-87Pn series units.
Slave I/O unit	Protocol	Interface		I-8K Series		I-87K Series
Slave I/O unit	Protocol	Ethernet	RS-485	High Profile	Low Profile	High Profile	Low Profile
I-8x10	DCON	-		Y…	Y	Y…	Y
I-8x30 I-8KE4/8	DCON			Y…	Y	Y…	Y
I-8xxx-MTCP I-8KE4/8-MTCP	Modbus TCP			Y…	Y	Y…	Y
iP-8xxx-MTCP	Modbus TCP			Y…	-	Y…	-
iP-8xxx-MRTU	Modbus RTU	-		Y…	-	Y…	-
ET-87P4-MTCP ET-87P8-MTCP	Modbus TCP Modbus RTU		-	-	-	Y…	-
ET-87P4/8	DCON		-	-	-	Y…	-
I-87K4/5/8/9	DCON	-		-	-	Y…	Y
RU-87P1/2/4/8	DCON	-		-	-	Y…	-
USB-87P1/2/4/8	DCON	USB		-	-	Y…	-
CAN-8xx3	CANopen	CAN bus		Y…	Y…	Y…	Y…
CAN-8xx4	DeviceNet	CAN bus		-	Y…	Y…	Y…

	Will be available
	Available soon
	Phased out

I-8K series I/O modules

Type

High Profile
(Software Support)

Low Profile

Description

Analog I/O Modules
(Selection Guide)

	I-8014W
	I-8014CW
	I-8017DW
	I-8017HCW
	I-8017HW
	~~I-8017HS~~ ~~(Note 1)~~
	I-8024W




	I-8017H

	I-8024

AI modules have high sampling rate from 1K to 100Ksps (depends on software)

Multifunction Modules
(Selection Guide)

I-8026W

Digital I/O Modules
(Selection Guide)

	I-8037W
	I-8040W
	I-8040PW
	I-8041AW
	I-8041W
	I-8041PW
	I-8042W
	I-8046W
	I-8048W
	I-8050W
	I-8051W
	I-8052W
	I-8053W
	I-8053PW
	I-8054W
	I-8055W
	I-8056W
	I-8057W
	I-8057PW
	I-8058W
	I-8060W
	I-8063W
	I-8064W


	I-8068W
	I-8069W

	I-8037
	I-8040


	I-8041

	I-8042

	I-8048
	I-8050
	I-8051
	I-8052
	I-8053

	I-8054
	I-8055
	I-8056
	I-8057

	I-8058
	I-8060
	I-8063
	I-8064
	I-8065
	I-8066
	I-8068
	I-8069
	I-8077

The accessing time can be up to 20KHz (depend on software)

Counter/Frequency Module
(Selection Guide)


	I-8084W

	I-8080

Input signal range can be 10Hz to 400 KHz

PWM Module
(Selection Guide)

I-8088W

Memory Module/Socket
(Selection Guide)

	I-8072
	I-8072B
	I-8073 (Note 3)
	S256
	S512

Used to log or retain data.

Communication Module
(Selection Guide)


	I-8112iW
	I-8114W
	I-8114iW

	I-8142iW

	I-8144iW
	I-8172W

	I-8112

	I-8114

	I-8142
	I-8142i
	I-8144

	I-8172 (Note 1)

Used to expand RS-232/422/485 and FRnet ports.

Ethernet switch module

I-8135W

Used to expand Ethernet connection.

Motion Module
(Selection Guide)

	I-8090W (Note 4)
	I-8091W (Note 4)
	I-8092F-G (Note 2)
	I-8093W
	I-8094-G (Note 2)
	I-8094F-G (Note 2)
	I-8094H-G (Note 1)
	I-8094A-G (Note 1)

	I-8090-G (Note 5)
	I-8091-G (Note 5)

Used to drive motors or get encoder data.

CAN Bus Modules

	~~I-8120~~ ~~(I-8KCAN)~~
	I-8120W
	I-8123W
	I-8124W

1 Port Programmable CAN Interface Module with Dual Port RAM

1 Port High Performance CANopen Master Module

1 Port High Performance DeviceNet Master Module

Note 1: Can be used with I-8000, WinCon and LinCon controllers only.
Note 2: Can be used with ISaGRAF in XPAC WinPAC, WinCon, LinPAC, LinCon, I-8000, iPAC-8000,XPAC.
Note 3: Can’t be used with LinCon controllers.
Note 4: Can be used with ISaGRAF or iPAC-8000 only.
Note 5: Can be used with ISaGRAF or I-8000 only.

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	Will be available
	Available soon
	Phased out

I-87K series I/O modules

Type

High Profile
(Software Support)

Low Profile

Max. baudrate

Description

Analog Input Modules
(Selection Guide)

	I-87005W
	I-87013W
	I-87015W
	I-87015PW
	I-87016W
	I-87017W
	I-87017W-A5
	I-87017W-RMS
	I-87017RW
	I-87017RCW
	I-87017DW
	I-87017ZW
	I-87018W
	I-87018RW
	I-87018PW
	I-87018ZW
	I-87019PW
	I-87019RW
	I-87019ZW


	I-87013



	I-87017






	I-87018

115.2 Kbps

Analog Output Modules
(Selection Guide)

	I-87022W
	I-87024CW
	I-87024UW
	I-87024DW
	I-87024RW
	I-87024W

	I-87028CW
	I-87028UW
	I-87028VW
	I-87028VW-20V

	I-87022




	I-87024
	I-87026

115.2 Kbps

Slew rate of AO channels are programmable

Multifunction Modules
(Selection Guide)

I-87026PW

Digital I/O Modules
(Selection Guide)

	I-87037W
	I-87040W
	I-87040PW
	I-87041W
	I-87041PW
	I-87042W
	I-87046W
	I-87051W
	I-87052W
	I-87053PW
	I-87053W
	I-87053W-A2
	I-87053W-A5
	I-87053W-AC1
	I-87053W-E5
	I-87054W
	I-87055W
	I-87057W
	I-87057PW
	I-87058W
	I-87059W
	I-87061W
	I-87061PW
	I-87063W
	I-87064W
	I-87065W
	I-87066W
	I-87068W
	I-87068W-2A
	I-87069W
	I-87069PW


	I-87040

	I-87041



	I-87051
	I-87052

	I-87053




	I-87054
	I-87055
	I-87057

	I-87058



	I-87063
	I-87064
	I-87065
	I-87066
	I-87068

	I-87069

115.2 Kbps

DI channels can be used to get status and low speed (100 Hz Max.) counts.

Counter/Frequency Module
(Selection Guide)

	I-87082W
	I-87084W
	I-87088W
	I-87089W

	I-87082

115.2 Kbps

Input signal range can be 1Hz to 100 KHz.

CAN Bus Modules

	I-87120 (I-87KCAN)
	I-87123 (I-87KCPM)
	I-87124 (I-87KDNM)

1 Port Programmable CAN bus communication module

1 Port High Performance CANopen Master Module

1 Port High Performance DeviceNet Master Module

GPS Modules
(Selection Guide)

I-87211W

115.2 Kbps

GPS Receiver Module with 2 DO and 1 PPS output

Other I/O modules
Model	Description
4SIPP-801-CAB	Low profile blank I/O module
4SIPP-801-CAG	Low profile blank I/O module
4SIPP-801W-CAG	High profile blank I/O module

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