Manuals+

Installation Instructions: POINT I/O 4 Channel IO-Link Master Module

Catalog Numbers: 1734-4IOL, 1734-4IOLK, Series B

Catalog numbers with the suffix 'K' are conformal coated and their specifications are the same as non-conformal coated catalogs.

Summary of Changes

This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes.

TopicPage
Updated UK and European Hazardous Location Approval3
Added IEC Hazardous Location Approval4
Updated Special Conditions for Safe Use4
Updated About the Module4
Updated Wire the Module9
Updated General Specification12
Updated Standard Digital Input specifications12
Updated Standard Digital Output specifications12
Updated Environmental Specifications13
Updated Certifications13, 14
Updated back coverback cover

General Safety Information

ATTENTION: Read this document and related documentation before installing, configuring, operating, or maintaining this equipment. Ensure familiarity with installation and wiring instructions, and all applicable codes, laws, and standards. Installation, adjustments, commissioning, use, assembly, disassembly, and maintenance must be performed by suitably trained personnel. If equipment is used in a manner not specified by the manufacturer, its protection may be impaired.

Environment and Enclosure

This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in EN/IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating. It is not intended for residential environments.

The equipment is supplied as open-type for indoor use. It must be mounted within a suitably designed enclosure that accounts for specific environmental conditions and prevents personal injury from live parts. The enclosure must have suitable flame-retardant properties (e.g., 5VA rating) or be approved for the application if nonmetallic. Access to the enclosure interior must require a tool. Refer to Industrial Automation Wiring and Grounding Guidelines (1770-4.1) and NEMA Standard 250 and EN/IEC 60529 for enclosure details.

Hazardous Location Approval

North American Hazardous Location Approval: Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for Class I Division 2 Groups A, B, C, D locations. The rating nameplate indicates the hazardous location temperature code. When combining products, use the most adverse temperature code (lowest 'T' number). Combinations are subject to investigation by the local Authority Having Jurisdiction.

WARNING: Explosion Hazard. Do not disconnect equipment or connections unless power is removed or the area is known to be nonhazardous. Secure external connections. Substitution of components may impair suitability for Class I, Division 2.

UK and European Hazardous Location Approval (CE II 3 G): Intended for potentially explosive atmospheres (Zone 2). Complies with Essential Health and Safety Requirements of EU Directive 2014/34/EU, EN IEC 60079-0:2018, and EN IEC 60079-7:2015/A1:2018. Type of protection is Ex ec IIC T4 Gc. Reference certificate numbers DEMKO 04 ATEX 0330347X and UL22UKEX2478X. Suitable for areas where explosive atmospheres are unlikely or occur infrequently.

IECEx Hazardous Location Approval: Intended for areas with unlikely or infrequent explosive atmospheres (Zone 2). Complies with IEC 60079-0 and IEC 60079-7. Type of protection is Ex ec IIC T4 Gc. Reference IECEx certificate number IECEx UL 20.0072X.

Special Conditions for Safe Use:

ATTENTION: Prevent Electrostatic Discharge. This equipment is sensitive to ESD. Touch a grounded object, wear a grounding wriststrap, do not touch connectors or pins, avoid touching internal components, use a static-safe workstation, and store in static-safe packaging.

About the Module

The POINT I/O™ 4 Channel IO-Link Master Module provides four channels configurable as IO-Link masters or standard digital I/O modules. It supports four channels for IO-Link master communication or four channels of digital input/output (IEC61131-2 type 1 input). Channels can be disabled if not in use.

Compatibility Requirements:

Wiring Base Assemblies

The module is used with wiring base assemblies. Two types are described:

POINT I/O 4 Channel IO-Link Master Module with 1734-TB, 1734-TBS, 1734-TB3, or 1734-TB3S Wiring Base Assembly

This assembly consists of a 1734-MB mounting base and a 1734-RTB or 1734-RTBS removable terminal block.

Diagram showing the 1734-TB wiring base assembly components:

1. Module locking mechanism, 2. Slide-in writable label, 3. Insertable I/O module, 4. Removable terminal block (RTB) handle, 5. Removable terminal block, 6. Terminal base, 7. Interlocking side pieces, 8. Mechanical keying (orange), 9. DIN rail locking screw (orange), 10. Module wiring diagram.

POINT I/O 4 Channel IO-Link Master Module with 1734-TOP, 1734-TOPS, 1734-TOP3, or 1734-TOP3S One-piece Terminal Base

This assembly uses a one-piece terminal base.

Diagram showing the 1734-TOP wiring base assembly components:

1. Module locking mechanism, 2. Slide-in writable label, 3. Insertable I/O module, 4. Terminal block handle, 5. One-piece terminal base, 6. Interlocking side pieces, 7. Mechanical keying (orange), 8. DIN rail locking screw (orange), 9. Module wiring diagram.

Installation

Install the Mounting Base

To install the mounting base on the DIN rail:

  1. Position the mounting base vertically above the installed units (adapter, power supply, or existing module). Slide the mounting base until the interlocking side pieces engage the adjacent module or adapter.
  2. Slide the mounting base down, allowing the interlocking side pieces to engage the adjacent module or adapter.
  3. Press firmly to seat the mounting base on the DIN rail. The base snaps into place. Ensure the orange DIN rail locking screw is horizontal and engaged with the DIN rail.

Install the Module

The module can be installed before or after the base. Ensure the mounting base is correctly keyed before installing the module. The mounting base locking screw must be positioned horizontally.

  • 1734-TB Base: Use a bladed screwdriver to rotate the keyswitch on the mounting base clockwise until the number required for the module type aligns with the notch. Notch position 2 is shown.
  • 1734-TOP Base: Use a bladed screwdriver to rotate the keyswitch to align the number with the notch. Notch position 2 is shown.

Verify the DIN rail locking screw is horizontal; the module cannot be inserted if the locking mechanism is unlocked. Insert the module straight down into the mounting base. Press to secure; the module locks into place.

Install the Removable Terminal Block (RTB)

An RTB is supplied with the wiring base assembly. Pull up on the RTB handle to remove it, allowing the mounting base to be removed without disconnecting wiring. To reinsert the RTB:

  1. Insert the end opposite the handle into the base unit. This end has a curved section that engages the wiring base.
  2. Rotate the terminal block into the wiring base until it locks in place.
  3. If an I/O module is installed, snap the RTB handle into place on the module.

WARNING: Connecting or disconnecting the RTB with field-side power applied can cause an electrical arc, potentially leading to an explosion in hazardous locations. Ensure power is removed or the area is nonhazardous before proceeding.

For 1734-RTBS and 1734-RTB3S models, to latch/unlatch wires, insert a bladed screwdriver (e.g., 1492-N90, 3mm blade) into the opening at approximately 73° (blade parallel to the opening's top surface) and push gently.

Remove a Mounting Base

To remove a mounting base, first remove any installed module and the module to its right. Remove the RTB if wired.

  1. Unlatch the RTB handle on the I/O module.
  2. Pull on the RTB handle to remove the RTB.
  3. Press the module lock on the top of the module.
  4. Pull the I/O module out of the base.
  5. Repeat steps 1-4 for the module to the right.
  6. Use a small bladed screwdriver to rotate the orange base locking screw to a vertical position to release the locking mechanism.
  7. Lift straight up to remove.

Wire the Module

Refer to the following diagrams and tables for wiring:

POINT I/O 4 Channel IO-Link Master Module - 1734-4IOL Wiring Diagram

Diagram showing the 1734-4IOL module with terminals labeled Channel 0 (C, V), Channel 1 (C, V), Channel 2 (C, V), Channel 3 (C, V).

Wiring Configurations:

IO-Link Mode

Connections: CH = IO-Link channel, C = Common, V = 24V DC, Device = IO-Link device (actuators, sensors).

Wiring Diagram: Shows 3-wire connections for Channel 0, 1, 2, 3. Each channel has a 'CH' terminal, a 'C' terminal, and a 'V' terminal. The 'V' terminals are connected to a common bus.

Power: V power is not protected and is limited to 0.3 A max per module. Power is supplied through the internal 24V DC power bus.

ChannelCommonVoltage
Channel 046
Channel 157
Channel 246
Channel 357

Standard Digital Input Mode

Connections: In = Input channel, C = Common, V = 24V DC.

Wiring Diagram: Shows 2-wire and 3-wire connections for Input channels 0, 1, 2, 3. Terminals are labeled 'In', 'C', and 'V'.

Power: V power is not protected and is limited to 0.3 A max per module. Power is supplied through the internal 24V DC power bus.

ChannelInputCommonVoltage
Channel 0046
Channel 1157
Channel 2246
Channel 3357

Connect common on 3-wire inputs.

Standard Digital Output Mode

Connections: Out = Output channel, C = Common, V = 24V DC.

Wiring Diagram: Shows 2-wire connections for Output channels 0, 1, 2, 3. Terminals are labeled 'Out', 'C', and 'V'.

Power: V power is not protected and is limited to 0.3 A max per module. Power is supplied through the internal 24V DC power bus.

ChannelOutputCommonVoltage
Channel 0046
Channel 1157
Channel 2246
Channel 3357

Communicate with Your Module

POINT I/O modules send (produce) and receive (consume) I/O data (messages). This data is mapped into the processor's memory. Connection sizes range from 0 to 32 bytes.

Default Data Map for 1734-4IOL – Configuration Assembly Instance 100

Message size: 46 Bytes

Consumed ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
36Channel 0 fault mode(1)
37Channel 0 idle mode(1)
38Channel 1 fault mode(1)
39Channel 1 idle mode(1)
40Channel 2 fault mode(1)
41Channel 2 idle mode(1)
42Channel 3 fault mode(1)
43Channel 3 idle mode(1)
44Channel 0 input off to on time delay(2)
45Channel 0 input on to off time delay(2)
46Channel 1 input off to on time delay(2)
47Channel 1 input on to off time delay(2)
48Channel 2 input off to on time delay(2)
49Channel 2 input on to off time delay(2)
50Channel 3 input off to on time delay(2)
51Channel 3 input on to off time delay(2)

(1) Fault and idle conditions are valid when the channel is configured for IO-Link or DO. Mode and Value behavior is defined in the IO-Link Channel object specification. (2) Time delays are specified in 1 ms increments (0...65). A value of zero disables the input filter.

Default Data Map for 1734-4IOL – Consumed Assembly Instance 101

Message size: 0...128 Bytes

Consumed ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
0...aOutput data for Channel 0(1)
a+1...bOutput data for Channel 1(1)
b+1...cOutput data for Channel 2(1)
c+1...dOutput data for Channel 3(1)

(1) Consumed sizes can be 0...32 bytes. Output data for each channel begins on a 32-bit boundary, enforced by software.

Default Data Map for 1734-4IOL – Produced Assembly Instance 102

Message size: 0...132 Bytes

Consumed ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
0Channel 0 status(1)
2Channel 1 status(1)
4Channel 2 status(1)
6Channel 3 status(1)
8Channel 0 most recent event
12Channel 1 most recent event
16Channel 2 most recent event
20Channel 3 most recent event
24...aInput data from Channel 0(2)
a+1...bInput data from Channel 1(2)
b+1...cInput data from Channel 2(2)
c+1...dInput data from Channel 3(2)

(1) Channel status bits: Bit 0: Roll-up status (OR of bits 1-7). Bit 1: Connection to device (0=Connected, 1=No connection). Bit 2: Configuration in progress (1=Yes). Bit 3: Configuration failed (1=Yes). Bit 4: IO-Link key failure (1=Yes). Bit 5: DO short circuit (1=Yes). Bit 6: Process data invalid (1=Yes). Bit 7: Low-power fault (1=Yes). Bit 8: IO-Link output value forced to limit (1=Yes). Bits 9-15: Reserved.

(2) Produced sizes can be 0...32 bytes. Input data for each channel begins on a 32-bit boundary, enforced by software.

Interpret Status Indicators

The module has several indicators to show its status:

Diagram showing the location of status indicators on the POINT I/O 4 Channel IO-Link Master Module (1734-4IOL): Module Status, Network Status, NODE, 24V DC, SIO, IO LINK.

Indicator Status for Modules

IndicatorStatusDescription
Module statusOffNo power is applied to device.
GreenDevice is operating normally.
Flashing greenDevice needs commissioning due to missing, incomplete, or incorrect configuration.
Flashing redA recoverable fault occurred.
RedAn unrecoverable fault occurred – may require device replacement.
Flashing red/greenDevice is in self-test mode.
Network statusOffDevice is not online.
Flashing greenDevice has not completed dup_MAC-id test.
GreenDevice is online and has connections in the established state.
Flashing redOne or more I/O connections are in timed-out state. Critical link failure – failed communication device.
RedCommunication faulted device – detected a network access error.
Standard digital input/output statusOffStandard digital input/output is offline, configured in IO-Link mode, or no power is applied.
YellowStandard digital input/output is in ON state.
OffIO-Link is disabled, channel configured as standard digital I/O, or no power is applied.
IO-Link statusFlashing greenPort starting up or no IO-Link device detected.
GreenIO-Link is operating normally.

Specifications

General Specifications

AttributeValue
Number of inputs4 single-ended, non-mutual isolated, configurable
Number of outputs4
Communication rate, IO-Link4.8 kB; 38.4 kB; 230.4 kB
Device cable length, IO-Link, max20 m (65.6 ft)
Terminal base screw torque0.8 N•m (7 lb•in)
Module location1734-TB, 1734-TBS, 1734-TB3, 1734-TB3S, 1734-TOP, 1734-TOPS, 1734-TOP3, or 1734-TOP3S wiring base assembly
POINTBus™ current, max100 mA @ 5V DC
Power dissipation, max1.5 W @ 28.8V DC
Thermal dissipation, max5.12 BTU/hr @ 28.8V DC
Isolation voltage50V (continuous), basic insulation type. Tested at 2121V DC for 60 s, field-side to system. No isolation between individual channels.
Field power bus supply, nom24V DC
Field power bus supply, min19.2V DC
Field power bus supply, max28.8V DC
Backplane power5V DC, 100 mA
Input ratings24V DC, 12 mA
Output ratings, per channel24V DC, 0.15 A
Output ratings, per module, max24V DC, 0.6 A
Indicators1 green/red - Module status indicator, 1 green/red - Network status indicator, 4 yellow - Channel status indicators, 4 green - IO-Link status indicators
Wiring category(1)2 - on signal ports
Wire size0.25...2.5 mm² (22...14 AWG) solid or stranded copper wire rated at 75 °C (167 °F) or greater. 1.2 mm (3/64 in.) insulation max.
Wire typeCopper
Dimensions, approx., HxWxD56 x 12 x 75.5 mm (2.21 x 0.47 x 2.97 in.)
Weight, approx.36 g (1.27 oz)
Enclosure type ratingNone (open-style)
UKEX/ATEX/IECEx temp codeT4
Keyswitch position2

(1) Use this Conductor Category information for planning conductor routing as described in the appropriate System Level Installation Manual. See Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1, for more information.

POINT I/O 4 Channel IO-Link Master Module 1734-4IOL, 1734-4IOLK – Standard Digital Input

AttributeValue
Backplane power5V DC, 100 mA
Input ratings24V DC, 12 mA
On-state voltage, min13V DC
On-state voltage, max30V DC
On-state current, min5.0 mA
On-state current, nom5.8 mA
On-state current, max6.6 mA
Off-state voltage, max5V DC
Off-state current, max6.6 mA
Input filterEach input independently settable in 1 ms intervals. Default value is 1 ms. ON to OFF: 0...65 ms, OFF to ON: 0...65 ms

POINT I/O 4 Channel IO-Link Master Module 1734-4IOL, 1734-4IOLK – Standard Digital Output

AttributeValue
Backplane power5V DC, 100 mA
Output ratings, per channel24V DC, 0.15 A
Output ratings, per module, max24V DC, 0.6 A
On-state voltage, min19.2V DC
On-state voltage, max28.8V DC
On-state voltage, nom24V DC
On-state voltage drop, max0.9V DC
On-state current, max150 mA
Off-state current leakage, max0.5 mA
Module current (all outputs), max600 mA
Surge current, max0.25 A for 10 ms, repeatable every 3 s

Environmental Specifications

AttributeValue
Temperature, operatingIEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-14: -20...+55 °C (-4...+131 °F)
Temperature, nonoperatingIEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-14: -40...+85 °C (-40...+185 °F)
Temperature, surrounding air, max55 °C (131 °F)
Relative humidityIEC 60068-2-30: 5...95% noncondensing
VibrationIEC 60068-2-6: 5 g @ 10...500 Hz
Shock, operatingIEC 60068-2-27: 30 g
Shock, nonoperatingIEC 60068-2-27: 50 g
EmissionsIEC 61000-6-4
ESD immunityIEC 61000-4-2: 6 kV contact discharges, 8 kV air discharges
Radiated RF immunityIEC 61000-4-3: 10V/m with 1 kHz sine-wave 80% AM from 80...6000 MHz
EFT/B immunityIEC 61000-4-4: +2 kV at 5 kHz on power ports, +2 kV at 5 kHz on signal ports
Surge transient immunityIEC 61000-4-5: +1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports
Conducted RF immunityIEC 61000-4-6: 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz

Certifications

Certification (When Product Is Marked)(1)Value
c-UL-usUL Listed Industrial Control Equipment, certified for US and Canada. See UL File E322657.
UKCA and CEUK Statutory Instrument 2016 No. 1091 and European Union 2014/30/EU EMC Directive, compliant with: EN 61326-1; EN 61000-6-2; EN 61000-6-4; EN 61131-2. UK Statutory Instrument 2012 No. 3032 and European Union 2011/65/EU RoHS, compliant with: EN 63000.
ExUK Statutory Instrument 2016 No. 1107 and European Union 2014/34/EU ATEX Directive, compliant with: EN IEC 60079-0, EN IEC 60079-7. Type: II 3 G Ex ec IIC T4 Gc. Certificates: DEMKO 04 ATEX 0330347X and UL22UKEX2478X.
IECExIECEx System, compliant with: IEC 60079-0, IEC 60079-7. Type: II 3G Ex ec IIC T4 Gc. Certificate: IECEx UL 20.0072X.
KCKorean Registration of Broadcasting and Communications Equipment, compliant with: Article 58-2 of Radio Waves Act, Clause 3.
RCMAustralian Radiocommunications Act, compliant with: AS/NZS CISPR 11:201 (Group 1, Class A).
CCCCNCA-C23-01:2019 CCC Implementation Rule Explosion-Proof Electrical Products, compliant with: GB/T 3836.1-2021, GB/T 3836.3-2021, GB/T 3836.8-2021. CCC 2020122309111607 (APBC).

(1) See the Product Certification link at rok.auto/certifications for Declaration of Conformity, Certificates, and other certification details.

Models: 1734-4IOL, 1734-4IOLK, 1734-4IOL 4 Channel IO Link Master Module, 1734-4IOL, 4 Channel IO Link Master Module, IO Link Master Module, Master Module, Module

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