IO-Link MasterUR Series
Highly functional IO-Link Master for various industrial Ethernet
- First in industry* Mixed connection of digital Sink(NPN) / Source(PNP) I/O devices is realized with one unit
- Largest no. in industry* 16 channels
- Fastest in industry* Realized the minimum cycle time of 0.3 ms
NEW MODELS
e-CON type, UR-ME/EE16DT added to lineup


*Regarding IO-Link Master, surveyed by OPTEX FA in December, 2023.

Lineup
| Supported field network |
Type | Model | Shape |
|---|---|---|---|
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Spring clamp terminal blocks |
UR-MS16DT | ![]() |
| e-CON sockets | UR-ME16DT | ![]() |
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Spring clamp terminal blocks |
UR-ES16DT | ![]() |
| e-CON sockets | UR-EE16DT | ![]() |
Specifications
IO-Link Master General Specifications
| Model | UR-MS16DT | UR-ME16DT | UR-ES16DT | UR-EE16DT | |
|---|---|---|---|---|---|
| Supply voltage | 24 VDC ±15 % (SELV and LIM power supplies or UL1310 Class 2 power supplies)*1 |
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| Current consumption | 220 mA | 220 mA | 195 mA | 195 mA | |
| Insulation resistance | 5 M ohm or more (between external power supply and unit power supply at 500 VDC) |
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| Input / Output common | Sink / Source switchable per channel | ||||
| Connection | Field network: 2 x RJ45 connectors Power supply: Spring clamp terminal block, 5 positions x 2 rows |
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| Input/output: 3 x 16-channel spring clamp terminal blocks | 16 x e-CON sockets, 4 poles | Input/output: 3 x 16-channel spring clamp terminal blocks | 16 x e-CON sockets, 4 poles | ||
| Indicators | POWER LED (green), EVENT LED (yellow), ALARM LED (red), I/O LED (orange) |
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| Display | OLED Menu language: English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese |
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| Environmental resistance | Operating temp. / humidity | 0 to +55 ℃/5 to 95 % RH*2 (no freezing or condensation) | |||
| Storage temp. / humidity | -25 to +75°C/5 to 95 % RH (no freezing or condensation) | ||||
| Vibration resistance | IEC 61131-2 compliant Vibration frequency: 5 to 8.4 Hz, Single amplitude: 3.5 mm Vibration frequency: 8.4 to 150 Hz Acceleration: 10 m/s2 (1.0 G) Number of sweeps: X,Y,Z: 10 times in each direction |
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| Shock resistance | IEC 61131-2 compliant Peak Acceleration: 150 m/s2 (15 G), 3 directions in each of the X,Y and Z directions, 3 times each (total 18 times) |
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| Operating atmosphere | No corrosive gas | ||||
| Operating altitude | 0 to 2000 m | ||||
| Installation location | Indoor use | ||||
| Degree of protection | IP20 (Not UL Certified) | ||||
| Overvoltage category | II or less | ||||
| Pollution degree | 2 or less | ||||
| Device class | Class Ⅰ | ||||
| Applicable regulations | EMC | EMC Directive (2014/30/EU) | |||
| Environment | RoHS Directive (2011/65/EU), China RoHS (MIIT Order No.32) | ||||
| Applicable standard | EN 61131-2 | ||||
| NRTL certification | UL Listed Programmable Controllers Certified for US and Canada | ||||
| Company standards | Noise resistance: Feilen Level 3 cleared | ||||
| Compatible DIN rail | TH35-7.5Fe, TH35-7.5Al | ||||
| Compatible wire | Power terminal block: AWG 24 to 16, I/O terminal block: AWG 28 to 16 | ||||
| Material | Housing: PC, Keys and DIN rail mounting hook: POM, Terminal block: PA | ||||
| Weight | Approx. 195 g (including terminal blocks, when not wired) | ||||
| Included accessories | Instruction manual, 1 x Power terminal block, 2 x Protective caps for RJ45 connector (attached to the unit) |
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| 3 x device terminal blocks | - | 3 x device terminal blocks | - | ||
Input Specifications
| Item | Specifications |
|---|---|
| Rated input voltage | 24 VDC ±20 % (SELV and LIM power supplies or UL1310 Class 2 power supplies)*1 |
| Rated input current (typical) | Source(PNP): 5.5 mA, Sink(NPN): 5.0 mA |
| Insulation method | Transformer, photocoupler insulation |
| Maximum number of simultaneous input points | 100 % simultaneous ON |
| Voltage and current at ON | Source(PNP): 15 VDC or higher, 5.5 mA or higher, Sink(NPN): 13 VDC or higher, 3.0 mA or higher Note: Sink(NPN) is the voltage seen from the 24 V side. |
| Voltage and current at OFF | Source(PNP): 10 VDC or less, 2.0 mA or less, Sink(NPN): 8 VDC or less, 2.0 mA or less Note: Source(NPN) is the voltage seen from the 24 V side. |
| Input resistance | Sink(NPN): 4.7 k ohm |
| Input response time | 0 ms, 0.1 ms, 1 ms, 5 ms, 10 ms, 20 ms (default: 0 ms) |
Output Specifications
| Item | Specifications |
|---|---|
| Rated load voltage | 10.8 to 26.4 VDC (SELV and LIM power supplies or UL1310 Class 2 power supplies)*1 |
| Maximum output load current | 0.2 A per 1 point, 2.5 A per 16 points *2 |
| Maximum inrush current | Current limitation by over-current protection function (0.5 A) |
| OFF output leakage current | 0.1 mA or less (0.2 mA or less for Sink NPN output) |
| Maximum output voltage drop at ON |
Source(PNP): 1.8 V, Sink(NPN): 1.6 V |
| Surge suppressor | Zener diode |
| Output response time | 0.1 ms or less |
*1. Use a Class 2 power supply or a power supply compliant with SELV (Safety Extra-Low Voltage) circuit and LIM (Limited Energy Circuit) circuit standards.
*2. UL Satisfaction Ratings: I/O output load current is 2 A or less for a total of 16 channels at 0 to +55°C or 2.5 A or less for a total of 16 channels at 0 to +50°C
●Specifications and other information are subject to change without prior notice.
IO-Link Specifications
| Model | UR-MS/ME16DT | UR-ES/EE16DT | |
|---|---|---|---|
| IO-Link communication | IO-Link revision | 1.1 and 1.0 | |
| Communication speed | COM1: 4800 bps, COM2: 38400 bps, COM3: 230.4 kbps | ||
| Physical layer | IO-Link compliant | ||
| Minimum cycle time | 0.3 ms | ||
| Number of ports | 16 | ||
| I/O assignment | Switchable in the following 6 modes by setting for each channel: • Disable mode • IO-Link communication mode • SIO (Digital Source PNP input) mode • SIO (Digital Sink NPN input) mode • SIO (Digital Source PNP output) mode • SIO (Digital Sink NPN output) mode |
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| Input related | Source(PNP) / Sink(NPN) channel switchable type | ||
| Functions | Basic IO-Link communication | Cyclic communication, acyclic communication, event communication |
Process I/O communication, ISDU communication, event communication |
Host Network Communication Specifications
| Model | UR-MS/ME16DT | UR-ES/EE16DT |
|---|---|---|
| Communication method | CC-Link IE Field or CC-Link IE TSN (switchable in the master parameter) |
EtherNet/IP (default value), Ethernet & Modbus/TCP, CC-Link IE Field Basic, EtherCAT (switchable in the master parameter) |
| Station type | Remote device station | See following table |
| Transmission speed | 1 Gbps | |
| Total cable extension | this product (IO-Link Master) : 100 m IO-Link devices: 20 m |
|
| Station number setting | 1 to 120 (CC-Link IE Field) 1 to 254 (CC-Link IE TSN) |
When the network type is "EtherNet/IP"
| Item | Specifications |
|---|---|
| Host network communication protocol | EtherNet/IP |
| Applicable version | EtherNet/IP adapter |
| Transmission speed | 10 Mbps (10BASE-T)、100 Mbps (100BASE-TX) |
| Cable | Twisted pair cable (STP) Category 5, 5e or higher |
| Ethernet connection type | Star configuration, linear bus configuration, device level ring configuration |
| Distance between nodes | Within 100 m |
| IP address setting | Static IP address |
When the network type is "Ethernet & Modbus/TCP"
| Item | Specifications |
|---|---|
| Host network communication protocol | Modbus/TCP and UDP communication or Ethernet socket communication |
| Transmission speed | 10 Mbps (10BASE-T)、100 Mbps (100BASE-TX) |
| Cable | Twisted pair cable (STP) Category 5, 5e or higher |
| Ethernet connection type | Star configuration, linear bus configuration |
When the network type is "CC-Link IE Field Basic"
| Item | Specifications |
|---|---|
| Host network communication protocol | CC-Link IE Field Basic communication, socket communication (UDP, TCP) |
| Transmission speed | 100 Mbps (10BASE-TX) |
| Cable | Twisted pair cable (STP) Category 5, 5e or higher |
| Ethernet connection type | Star configuration, linear bus configuration |
When the network type is "EtherCAT"
| Item | Specifications |
|---|---|
| Transmission speed | 10 Mbps (10BASE-T), 100 Mbps (100BASE-TX) |
| IP address setting | Static IP address |







