Belden I/O Systems
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Belden 935706001 is an orderable item number in the Belden 0980 XSL 3901-121-007D-01F family (I/O Systems › Digital I/O Modules for Industrial Ethernet). LioN-X IO-Device, Multiprotocol (PROFINET, EtherNet/IP, EtherCAT, Modbus TCP, CC-Link), IoT Protocols (OPC UA, MQTT, CoAP, REST), 16 digital input channels, metal housing IP65, IP67, IP69K, 60mm, 8 x M12 A-coded I/O connection 5-poles, 2 x M12 D-coded Ethernet connection 4-poles, 2 x M12 L-coded power supply This item: Item Description 0980 XSL 3901-121-007D-01F. Ships from and sold by A5 IT. Quoted to order.
Notes
| Update And Revision | Revision Number: 0.37 Revision Date: 02-20-2026 |
| Protection Degree / IP Rating Note | *IP Rating test performed by Belden with Belden Connectors only |
| System Power Supply Connection Note | *do not connect / disconnect under voltage! |
EtherCAT
| Protocol | EtherCAT |
| Addressing | Auto-increment addressing, fixed position addressing |
| Connection | M12 4-poles, D-coded |
| Specification | ETG.1000 V1.2 |
| Mailbox Protocols | CANopen over EtherCAT (CoE), File access over EtherCAT (FoE), Ethernet over EtherCAT (EoE) |
| Transmission Rate | Fast Ethernet (10/100 Mbit/s), Full Duplex |
| Transmission Method | 100 BASE-TX, with auto negotiation and auto crossing |
| Number Of Connections | 2 |
| Cycle Time / Update Rate | min. 250 μs |
| Supported Network Protocols (Other) | Over EoE: HTTP, Ping, TCP/IP |
PROFINET
| Protocol | PROFINET |
| Addressing | DCP |
| Connection | M12 4-poles, D-coded |
| Shared Input | not supported |
| Netload Class | III |
| Shared Device | Supported |
| Specification | V2.3 |
| Conformance Class | C (CC-C) |
| Performance Class | RT (switch supports IRT) |
| Transmission Rate | Fast Ethernet (10/100 Mbit/s), Full Duplex |
| Topology Detection | LLDP, SNMP V3 |
| Transmission Method | 100 BASE-TX, with auto negotiation and auto crossing |
| Number Of Connections | 2 |
| Easy Device Replacement | Supported, based on LLDP |
| Cycle Time / Update Rate | min. 1 ms |
| Media Redundancy Protocol (MRP) | Supported, MRP client |
| Supported Network Protocols (Other) | ARP, HTTP, Ping, SNMP V1, TCP/IP |
Approvals
| UL | cULus Listed, UL 61010-1 |
| CSA | Yes, via UL |
| ETG | Yes |
| PNO | Yes |
| ODVA | Yes |
This Item
| Item Number | 935706001 |
| Item Description | 0980 XSL 3901-121-007D-01F |
Modbus TCP
| CoAP | Cyclic data read/write, Diagnosis data, Event data |
| MQTT | Cyclic data read/write, Diagnosis data, Event data |
| OPC UA | Cyclic data read/write, Diagnosis data, Event data |
| Protocol | Modbus TCP |
| REST API | Cyclic data read/write, Diagnosis data, Event data |
| Connection | M12, 4-poles, D-coded |
| Device Type | Modbus Slave |
| Specification | Modbus application protocol V1.1b |
| Number Of Connections | 2 |
| Supported Network Protocols | SNMP V1, HTTP, TFTP, FTP, BootP, DHCP |
EtherNet/IP
| Addressing | BootP, DHCP, Rotary Address Switches |
| Connection | M12, 4-poles, D-coded |
| Specification | CIP V3.2x, EIP Adaption of CIP V1.2x |
| Connection Types | Exclusive Owner, Input Only, Listen Only |
| Transmission Rate | Fast Ethernet (10/100 Mbit/s), Full Duplex |
| Quick Connect (QC) | Supported, ≤ 500 ms |
| Transmission Method | 100 BASE-TX, with auto negotiation and auto crossing |
| Number Of Connections | 2 |
| Address Switches Range | 0 to 255 dec |
| Protocol (EtherNet/IP) | EtherNet/IP |
| Device Level Ring (DLR) | Supported, beacon based |
| CIP I/O Connection Limit | 3 |
| CIP Msg Connection Limit | 6 |
| Supported Network Protocols (Other) | ACD, ARP, BootP, DHCP, HTTP, IGMP, Ping, TCP/IP |
| Cycle Time / Requested Packet Interval (RPI) | min. 1 ms |
Information
| I/O Type | Digital Input |
| Device Type | I/O Device |
| I/O Function | 16DI |
| I/O Connection | M12, 5-poles, A-coded |
| Product Family | I/O Systems: Active - Standalone |
| Item Description | 0980 XSL 3901-121-007D-01F |
| Update And Revision | Revision Number: 0.37 Revision Date: 02-20-2026 |
| Protocol Compatibility | Multiprotocol |
| Power Supply Connection | M12 Power, 5-poles, L-coded |
| Side 1 Product Sub Family | LioN-X |
| Protection Degree / IP Rating Note | *IP Rating test performed by Belden with Belden Connectors only |
| System Power Supply Connection Note | *do not connect / disconnect under voltage! |
General Data
| MTTF | 5.441.525 h acc. to Telcordia SR-332 (2011) 20°C |
| Potted | Yes |
| Weight | 480 g |
| Mount Type | 2 hole screw mounting. Use standard M4 x 25 / 30 screws with toothed lock washer (as per DIN 125) and self-locking nuts. |
| Housing Color | Grey Metallic |
| Housing Plating | Nickel, matt |
| O-Ring Material | FKM |
| Housing Material | Metal, zinc die-cast |
| Protection Class | III, IEC 61140, EN 61140, VDE 0140-1 |
| Shock Resistance | 50 g / 11ms |
| Flammabilty Class | UL 94 (IEC 61010) |
| Included In Delivery | Attachable Labels: 15x, Sealing Caps: 5x M12 |
| Vibration Resistance | 15 g / 5 -500 Hz |
| Contact Base Material | M12, D-coded, CuSn, Gold-plated | M12 Power, L-coded, CuNi, Gold-plated |
| Dimensions (W X H X D) | 60 mm x 31 mm x 200 mm |
| Contact Bearer Material | PA / TPU |
| Side 1 Pollution Degree | 3 acc. to EN 60664-1, VDE 0110-1 |
| Air Pressure (Operation) | 80 kPa ... 106 kPa (up to 2000 m above sea level) |
| Accessories To Order Separately | Ethernet cable, mounting adapter, sensor/actuator cable, power cable |
| Fastening Torque (Fixing Screw) | M4: 1 Nm |
| Protection Degree / IP Rating** | IP65, IP67, IP69K |
| Air Pressure (Storage/Transport) | 80 kPa ... 106 kPa (up to 2000 m above sea level) |
| Ambient Temperature (Operation)* | -40 °C to 70 °C |
| Permissible Humidity (Operation) | 5 % ... 95 % (For UL applications max. 80 %) |
| Fastening Torque (Bus Connection) | M12: 0.5 Nm |
| Fastening Torque (I/O Connection) | M12: 0.5 Nm |
| Fastening Torque (Power Connection) | M12: 0.5 Nm |
| Ambient Temperature (Storage/Transport) | -40 °C to 70 °C |
| Permissible Humidity (Storage/Transport) | 5 % ... 95 % (For UL applications max. 80 %) |
| Fastening Torque (Ground Connection (FE)) | M4: 1 Nm |
Power Supply
| Diagnostic Indicator | LED red |
| Number Of Connections | 2 |
| Current Consumption (Typ.) | 160 mA (at 24 V DC) |
| Reverse Polarity Protection | Yes |
| Module Supply Voltage (Range) | 18 V DC to 30 V DC |
| Sensor Supply Voltage (Range) | 18 V DC to 30 V DC |
| Module Supply Voltage (Nominal) | 24 V DC (SELV/PELV) |
| Sensor Supply Voltage (Nominal) | 24 V DC (SELV/PELV) |
| Connection Module Supply Voltage | M12 Power, 5-poles, L-coded |
| Connection Sensor Supply Voltage | M12 Power, 5-poles, L-coded |
| Status Indicator (Sensor Supply) | LED green |
| Status Indicator (System Supply) | LED green |
| Current Carrying Capacity Of Connector | max. 16 A |
EMC Conformance
| EMC Directive | 2014/30/EU |
| EN 61000-4-5 Surge Voltage | Criterion B; DC supply lines: ±0.5 kV/±0.5 kV (symmetrical/asymmetrical); For I/O ports with cables ≤ 30m |
| EN 61000-4-6 Conducted Immunity | Criterion A; Test voltage 10 V |
| EN 61000-4-3 Electromagnetic Field | Criterion A; Field intensity: 10 V/m |
| EN 61000-4-4 Fast Transients (Burst) | Criterion B, 2 kV |
| EN 55032 Radio Interference Properties | Class A |
| EN 61000-4-2 Electrostatic Discharge (ESD) | Criterion B; 4 kV contact discharge, 8 kV air discharge |
Electrical Isolation
| Bus Connection / FE | 2000 V DC |
| US (System Supply Voltage) / FE | 500 V DC |
CC-Link IE Field Basic
| Protocol | CC-Link IE Field Basic |
| Connection | M12 LAN, 4-poles. D-coded |
| Specification | v2 |
| Transmission Rate | Fast Ethernet (100 Mbit/s), Full Duplex |
| Number Of Stations | 4 |
| Transmission Method | 100 BASE-TX, with auto negotiation and auto crossing |
| Number Of Connections | 2 |
| Address Switches Range | 0 to 99 dec |
| Cycle Time / Update Rate | min 1ms |
| Supported IIoT Protocols | OPC UA, MQTT, CoAP, Syslog, Node Red |
| Supported Network Protocols | SNMP, ACD, ARP, HTTP, IGMP, Ping, TCP/IP |
Digital Input Channels
| Connection | M12, 5-poles, A-coded |
| Sensor Type | PNP |
| Channel Type | Type 3 acc. to IEC 61131-2 |
| Input Wiring | 2-, 3-, 4-wire |
| Nominal Current | typ. 5 mA |
| Nominal Voltage | 24 V DC via US (module power supply) |
| Number Of Ports | 8x, X1 to X8 |
| Protective Circuit | Electronically: Overload protection, short-circuit protection |
| Diagnostic Indicator | LED red per port |
| Sensor Current Supply | max. 4A per port |
| Status Indicator (Inputs) | LED white or yellow per channel |
| Input Voltage Range "0" Signal | -3 V DC ...+5 V DC |
| Input Voltage Range "1" Signal | 11 V DC ... 30 V DC |
| Number Of Digital Input Channels | up to 16 |
Safety & Environmental Compliance
| CE | Yes |
| RoHS Compliant | Yes |
| China RoHS-Compliant | Yes |
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