Hitachi HX-RIO3 Series User manual

1
HX-RIO3 Series
Special I/O Module
RIO3-CU24
User Manual
Version 1.00

2
HX-RIO3 Series
DOCUMENT REVISION
REV
PAGE
REMARKS
DATE
EDITOR
1.00
New Document
Aug 2021
Faber

3
HX-RIO3 Series
Table of Contents
1Important Notes.......................................................................................................................................... 4
1.1 Safety Instruction............................................................................................................................... 5
1.1.1 Symbols......................................................................................................................................... 5
1.1.2 Safety Notes .................................................................................................................................. 5
1.1.3 Certification.................................................................................................................................... 5
2RIO3-CU24................................................................................................................................................. 6
2.1 Specification ...................................................................................................................................... 6
2.2 Wiring Diagram.................................................................................................................................. 8
2.3 LED Indicator..................................................................................................................................... 9
2.3.1 LED Indicator................................................................................................................................. 9
2.3.2 Channel Status LED ...................................................................................................................... 9
2.4 IO Input Image Data –10byte.......................................................................................................... 10
2.5 IO Output Image Data –12byte....................................................................................................... 11
2.6 Configuration Parameter Data –4byte............................................................................................ 13
3Environment Specification........................................................................................................................ 14
4Dimension................................................................................................................................................. 15
4.1 18-Pts. Spring Type......................................................................................................................... 15
5Mounting................................................................................................................................................... 16
5.1 I/O Inserting and Removing Devices............................................................................................... 16
5.2 RTB (Removable Terminal Block)................................................................................................... 17
6G-Bus Pin Description.............................................................................................................................. 18
7APPENDIX A............................................................................................................................................ 19
7.1 Product List...................................................................................................................................... 19
7.2 Glossary........................................................................................................................................... 19

4
HX-RIO3 Series
1 Important Notes
Solid state equipment has operational characteristics differing from those of electromechanical equipment.
Safety Guidelines for the Application, Installation and Maintenance of Solid-State Controls describes some
important differences between solid state equipment and hard-wired electromechanical devices.
Because of this difference, and because of the wide variety of uses for solid state equipment, all persons
responsible for applying this equipment must satisfy themselves that each intended application of this
equipment is acceptable.
In no event will HITACHI be responsible or liable for indirect or consequential damages resulting from the use
or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many
variables and requirements associated with any installation, HITACHI cannot assume responsibility or liability
for actual use based on the examples and diagrams.
Warning!
✓If you don't follow the directions, it could cause a personal injury, damage to the equipment or
explosion
✓Do not assemble the products and wire with power applied to the system. Else it may cause an electric
arc, which can result into unexpected and potentially dangerous action by field devices. Arching is
explosion risk in hazardous locations. Be sure that the area is non-hazardous or remove system power
appropriately before assembling or wiring the modules.
✓Do not touch any terminal blocks or IO modules when system is running. Else it may cause the unit to an
electric shock or malfunction.
✓Keep away from the strange metallic materials not related to the unit and wiring works should be
controlled by the electric expert engineer. Else it may cause the unit to a fire, electric shock or
malfunction.
Caution!
✓If you disobey the instructions, there may be possibility of personal injury, damage to equipment
or explosion. Please follow below Instructions.
✓Check the rated voltage and terminal array before wiring. Avoid the circumstances over 50℃of
temperature. Avoid placing it directly in the sunlight.
✓Avoid the place under circumstances over 85% of humidity.
✓Do not place Modules near by the inflammable material. Else it may cause a fire.
✓Do not permit any vibration approaching it directly.
✓Go through module specification carefully, ensure inputs, output connections are made with the
specifications. Use standard cables for wiring.
✓Use Product under pollution degree 2 environment.

5
HX-RIO3 Series
1.1 Safety Instruction
1.1.1 Symbols
1.1.2 Safety Notes
The modules are equipped with electronic components that may be destroyed by
electrostatic discharge. When handling the modules, ensure that the environment
(persons, workplace and packing) is well grounded. Avoid touching conductive
components, GBUS Pin.
1.1.3 Certification
UL Listed Industrial Control Equipment, certified for U.S.
See UL File E196687
CE Certificate
EN 61000-6-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions
Reach, RoHS (EU, CHINA), EAC
Identifies information about practices or circumstances that can cause an explosion in a
hazardous environment, which may lead to personal injury or death property damage, or
economic loss.
Identifies information that is critical for successful application and understanding of the
product.
Identifies information about practices or circumstances that can lead to personal injury,
property damage, or economic loss.
Attentions help you to identity a hazard, avoid a hazard, and recognize the consequences

6
HX-RIO3 Series
2 RIO3-CU24
2.1 Specification
Items
Specification
Input specification
Number of channels
2 channels
- Encoder, High Speed Counter, Frequency measurement
Pulse width & Period measurement
Indicators
6 green terminal input
Input voltage
5~24Vdc nominal
Input current
4mA @ 5Vdc
11mA @ 24Vdc
Min on-state voltage
4.8≥Vdc
Input frequency
0~750kHz Encoder Mode *(Except Encoder x1)
0~500kHz Counting Mode
Counting mode
1-Input Mode : Up, Down
2-Input Mode : Encoder 4x, Encoder 2x, Up/Inhibit, Up/Reset,
Down/Inhibit, Down/Reset, UP/Down,
Clock/Direction, Frequency Measurement,
Pulse Width & Period measurement
Gate Function Mode
Store/Continue
Store/Wait/Resume
Store-Reset/Wait/Start
Store-Reset/Start
Counter size
32bit-wide/channel
Digital Input Specification
Input per module
2-point sink type
Indicators
2 green terminal input LEDs
Input On-state Voltage
24Vdc nominal
15Vdc~28.8Vdc
On-stat Current
2.3mA @ 24Vdc
2.7mA @ 28.8Vdc
Input Signal Delay
OFF to ON : Max. 0.3ms
ON to OFF : Max. 0.3ms
Nominal Input Impedance
11.7kΩ
Digital Output Specification
Output per module
2-point source type
Indicators
2 green terminal output LEDs
Output Voltage Range
24Vdc nominal
15Vdc ~ 28.8Vdc
On-state Voltage Drop
Max 0.5Vdc @25℃
On-state Min. Current
1mA per channel
Off-state Leakage Current
Max. 20uA
Output Signal Delay
OFF to ON : Max. 0.3ms
ON to OFF : Max. 0.3ms

7
HX-RIO3 Series
Output Current Rating
Max. 0.3A / Channel
Protection
Reverse voltage protection
Short circuit protection
General specification
Power dissipation
Max. 120mA @ 5Vdc
Isolation
I/O to Logic : photocoupler isolation
UL field power
Supply Voltage : 24Vdc nominal, Class 2
Field power
Supply voltage : 24Vdc nominal
Voltage range : 15~28.8Vdc
Power dissipation : 15mA@24Vdc
Wiring
I/O Cable Max. 0.75mm2(AWG 18)
Weight
63g
Module size
12mm x 109mm x 70mm
Environment condition
Refer to ‘3. Environment Specification’
*Encoder x1 Mode Input frequency : ~350kHz

8
HX-RIO3 Series
2.2 Wiring Diagram
Pin No.
Signal Description
Signal Description
Pin No.
0
Aph Input+ Ch# 0
/Aph Input - Ch# 0
1
2
Bph Input+ Ch# 0
/Bph Input - Ch# 0
3
4
Gph Input+ Ch# 0
/Gph Input - Ch# 0
5
6
Aph Input+ Ch# 1
/Aph Input - Ch# 1
7
8
Bph Input+ Ch# 1
/Bph Input - Ch# 1
9
10
Gph Input+ Ch# 1
/Gph Input - Ch# 1
11
12
Input Channel 0
Input Channel 1
13
14
Output Channel 0
Output Channel 1
15
16
Field Power 24V
Common(Field Power 0V)
17

9
HX-RIO3 Series
2.3 LED Indicator
2.3.1 LED Indicator
2.3.2 Channel Status LED
Status
LED is
To indicate
No Signal
Off
Normal Operation
On Signal
Green
Normal Operation
LED No.
LED Function / Description
LED Color
0
Aph Input Ch# 0
Green
1
Bph Input Ch# 0
Green
2
Gph Input Ch# 0
Green
3
Aph Input Ch# 1
Green
4
Bph Input Ch# 1
Green
5
Gph Input Ch# 1
Green
6
Input Channel 0
Green
7
Input Channel 1
Green
8
Output Channel 0
Green
9
Output Channel 1
Green

10
HX-RIO3 Series
2.4 IO Input Image Data –10byte
Bit No
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Current Counter Value CH#0 LL when IDS = 0
Store Counter Value CH#0 LL when IDS = 1
Byte 1
Current Counter Value CH#0 LH when IDS = 0
Store Counter Value CH#0 LH when IDS = 1
Byte 2
Current Counter Value CH#0 HL when IDS = 0
Store Counter Value CH#0 HL when IDS = 1
Byte 3
Current Counter Value CH#0 HH when IDS = 0
Store Counter Value CH#0 HH when IDS = 1
Byte 4
Current Counter Value CH#1 LL when IDS = 0
Store Counter Value CH#1 LL when IDS = 1
Byte 5
Current Counter Value CH#1 LH when IDS = 0
Store Counter Value CH#1 LH when IDS = 1
Byte 6
Current Counter Value CH#1 HL when IDS = 0
Store Counter Value CH#1 HL when IDS = 1
Byte 7
Current Counter Value CH#1 HH when IDS = 0
Store Counter Value CH#1 HH when IDS = 1
Byte 8
SGIN
CH#0
SBIN
CH#0
SAIN
CH#0
SDN
CH#0
SUP
CH#0
Out Status
CH#0
Inp Status
CH#0
Byte 9
SGIN
CH#1
SBIN
CH#1
SAIN
CH#1
SDN
CH#1
SUP
CH#1
Out Status
CH#1
Inp Status
CH#1
- Each channel has 4-byte Input
- Counter value represents counter, frequency(Hz), pulse width (0.1usec) or pulse period (0.1usec).
(When IDS = 0)
- IDS : Input Data Selection (Setting by Output Data)
- Status Bit
The Status High can only read.
SUP : Status Counter Up
SDN : Status Counter Down
SAIN : Status A Terminal Input
SBIN : Status B Terminal Input
SGIN : Status G Terminal Input

11
HX-RIO3 Series
2.5 IO Output Image Data –12byte
Bit No
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Gate Function Ch#0
Count Mode Ch#0
Byte 1
Gate Function Ch#1
Count Mode Ch#1
Byte 2
-
-
HRST 0
CR 0
CS 0
HP 0
DO 0
IDS 0
Byte 3
-
-
HRST 1
CR 1
CS 1
HP 1
DO 1
IDS 1
Byte 4
Preset Value CH#0 LL
Byte 5
Preset Value CH#0 LH
Byte 6
Preset Value CH#0 HL
Byte 7
Preset Value CH#0 HH
Byte 8
Preset Value CH#1 LL
Byte 9
Preset Value CH#1 LH
Byte 10
Preset Value CH#1 HL
Byte 11
Preset Value CH#1 HH
- Count Mode Ch#0, 1 : Count Mode for Ch#0, Ch#1 respectively
- HRST 0, 1 : current counter value, stored counter value Reset for Ch#0, Ch#1
- CR 0,1 : Counter Reset for Ch#0, Ch#1
- CS 0,1 : Counter Stop ( Inhibit Input ) for Ch#0, Ch#1
- HP 0,1 : Homing Position Enable/Disable, when this function is enabled, the counter value set to
preset value when a signal is detected on input channel
- DO 0, 1 : General purpose Digital Output
- IDS : Input Data Selection ( 0 : Current counter value, 1 : Store counter value)
■ Count Mode Ch#0, Ch#1
Value
Count Mode
Description
B’ 0000 (0x0)
Up
Up Counter
- Aph Input acts as Up Clock
- Bph Input is not used
B’ 0001 (0x1)
Down
Down Counter
- Aph Input acts as Down Clock
- Bph Input is not used
B’ 0010 (0x2)
-
-
B’ 0011 (0x3)
-
-
B’ 0100 (0x4)
Up Clock & Inhibit
Up Counter with Inhibit
- Aph Input acts as Up Clock Input
- Bph Input acts as Inhibit function for Up Clock Input
B’ 0101 (0x5)
Up Clock & Reset
Up Counter with Reset
- Aph Input acts as Up Clock Input
- Bph Input acts as Reset function to Counter

12
HX-RIO3 Series
B’ 0110 ( 0x6 )
Down Clock & Inhibit
Down Counter with Inhibit
- Aph Input acts as Down Clock Input
- Bph Input acts as Inhibit function for Down Clock Input
B’ 0111 ( 0x7 )
Down Clock & Reset
Down Counter with Reset
- Aph Input acts as Down Clock Input
- Bph Input acts as Reset function to Counter
B’ 1000 ( 0x8 )
Up Clock & Down Clock
Up & Down Counter
- Aph Input acts as Up Clock Input
- Bph Input acts as Down Clock Input
B’ 1001 ( 0x9 )
Clock & Direction
Up & Down with Direction
- Aph Input acts as Clock Input
- Bph Input acts as Direction Input ( Low = Up Count, High = Down Count )
B’ 1010 ( 0xA )
Encoder 1x (*1)
Encoder 1x
- Aph Input acts as Encoder’s A phase Input
- Bph Input acts as Encoder’s B phase Input
B’ 1011 ( 0xB )
Encoder 2x
Encoder 2x
- Aph Input acts as Encoder’s A phase Input
- Bph Input acts as Encoder’s B phase Input
B’ 1100 ( 0xC )
Encoder 4x
Encoder 4x
- Aph Input acts as Encoder’s A phase Input
- Bph Input acts as Encoder’s B phase Input
B’ 1101 ( 0xD )
Frequency Measurement
1sec Update (*2)
Simple Frequency Measurement, updated by 1sec, Hz Unit
- Aph Input acts as Frequency Input
- Bph Input is not used
B’ 1110 ( 0xE )
Pulse Width Measurement (*3)
Simple Pulse Width Measurement, 0.1usec Unit
- Pulse Width(32bit), if 1234, then Pulse High(On) width is 123.4usec (*3)
- Aph Input acts as Pulse Input
- Bph Input is not used
B’ 1111 ( 0xF )
Pulse Width & Period Measurement
(*4)
Simple Pulse Width & Period Measurement, 0.1usec Unit,
- Available in case of Pulse Input >= 200Hz(<= 2.5msec, Pulse On Width)
- Pulse Width(16bit, Low Word) + Pulse Period(16bit, High Word) (*4)
- Aph Input acts as Pulse Input
- Bph Input is not used
- Frequency Range of the Encoder x1 mode is the same as the counting mode.
- Frequency, B’1101(0xD) can’t be used with other channel’s Count Mode = 0x0, 0x1, 0x4 ~ 0xA
- Pulse Width, B’1110(0xE) measures Aph Input’s High(On) Pulse Width(32bit) in 0.1usec unit.
- Pulse Width & Period, B’1111(0xF) measures Aph’s Pulse High(On) Width(16bit) & Period(16bit) in
0.1usec unit.
■ Gate Mode Ch#0, Ch#1
Value
Description
B' 0000 (0x0)
Gate Function Disabled
B' 0001 (0x1)
Store/Continue
B' 0010 (0x2)
Store/Wait/Resume-
B' 0011 (0x3)
Store-Reset/Wait/Start-
B' 0100 (0x4)
Store-Reset/Start
Others
Gate Function Disabled

13
HX-RIO3 Series
2.6 Configuration Parameter Data –4byte
Bit No
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Reserved
Byte 1
Reserved
Byte 2
Reserved
Byte 3
Reserved
■ Gate Mode (Gate Function)
This Gate Function will operate in one of five modes (Store/Continue, Store/Wait/Resume, Store-Reset/Wait/
and Store-Reset/Start).
* Store/Continue
When G ph are raising edge, The Stored Count Value register will get counting value by Current Count Value
register. Next Current Count Value will do counting continue.
Below example picture shows timing waveforms of Store/Continue.
* Store/Wait/Resume
When G Ph are rising edge, The Stored Count Value register will get counting value by Current Count Value
register and waits the Current Count Value until falling edge. Next G Ph will be filling edge and Current Count
Value register resume counting.
Below example picture shows timing waveforms of Store/Wait/Resume.
* Store-Reset/Wait/Start
When G Ph are rising edge, The Stored Count Value register will get counting value by Current Count Value
register and Current Count Value register reset at the same time. The Current Count Value register wait until G
Ph falling edge. Next Current Count Value register start counting.
Below example picture shows timing waveforms of Store-Reset/Wait/Start.
* Store-Reset/Start
When G Ph are rising edge, The Stored Count Value register will get counting value by Current Count Value
register and Current Count Value register reset at the same time and the register start counting.
Below example picture shows timing waveforms of Store-Reset/Start.

14
HX-RIO3 Series
3 Environment Specification
Environmental specification
Operating Temperature
-20℃~ 70℃
UL Temperature
-20℃~ 60℃
Storage Temperature
-40℃~ 85℃
Relative Humidity
5% ~ 90% non-condensing
Mounting
DIN rail
General specification
Shock Operating
IEC 60068-2-27: 2008/15g, 11ms
Vibration Resistance
Based on IEC 60068-2-6
DNVGL-CG-0039: Vibration Class B, 4g
Industrial Emissions
EN61000-6-4: 2007 +A1: 2011
Industrial Immunity
EN61000-6-2: 2005
Installation Position
Vertical and horizontal installation is possible
Product Certifications
CE, UL, EAC

15
HX-RIO3 Series
4 Dimension
4.1 18-Pts. Spring Type
Dimensions in mm

16
HX-RIO3 Series
5 Mounting
Caution!
Hot surface!
The surface of the housing can become hot during operation. If the device was operated at high ambient
temperatures, allow it to cool off before touching it.
Notice!
Perform work on devices only if they are de-energized!
Working on energized devices can damage them. Therefore, turn off the power supply before working on the
devices.
5.1 I/O Inserting and Removing Devices
As above figure in order to safeguard the RIO3-Module from jamming, it should be fixed onto the DIN rail with
locking lever. To do so, fold on the upper of the locking lever.
To pull out the RIO3-Module, unfold the locking lever as below figure.

17
HX-RIO3 Series
5.2 RTB (Removable Terminal Block)
Whole terminal block can be combined and removed for the convenience if its maintenance.
There is a locking switch on the RTB for the easy combination and easy removal.
Easy combination and easy removal for IO modules on the din rail through One Touch Locking Switch.

18
HX-RIO3 Series
6 G-Bus Pin Description
Communication between the Network Adapter and the expansion module as well as system / field power
supply of the bus modules is carried out via the internal bus. It is comprised of 6 data pin and 2 field power
pin.
Do not touch data and field power pins in order to avoid soiling and damage by ESD
noise.
*Please refer to the table below regarding the pin description from P1 to P8.
No.
Description
P1
Field Power (VCC)
P2
Field Power (GND)
P3
GBUS CLK
P4
GBUS MISO
P5
GBUS MOSI
P6
GBUS Token
P7
System Power (GND)
P8
System Power (VCC)

19
HX-RIO3 Series
7 APPENDIX A
7.1 Product List
Please refer the separate HX-RIO3 product list document
7.2 Glossary
System Power: The power for starting up CPU.
Field Power: The power for input and output line.
Terminator Resistor: Resistor for prevention reflected wave.
EDS: Electronic Data Sheet.
Sink: The method of in/output power supply if a device has no power source.
Source: The method of in/output power supply if a device has the power source.