M31-AXEX8080G-U-CAN 8DI+8DO Remote I/O Module Standard CANopen Communication Protocol
[Specifications]：8DI+8DO
[Communication Interfaces]：CAN, RJ45
[Operating Voltage]：DC 9～36V
[Size]：110*40*100mm
[Product Weight]：195±5g
[Introduction]：The M31-U-CAN series distributed I/O host is a slave module supporting the CANopen protocol. It features a modular design, supporting multiple I/O types for flexible expansion based on user needs. Built to Level 3 protection standards, it provides complete isolation for I/O input/output and power supply, offering excellent electromagnetic compatibility, outstanding performance, and high reliability, meeting CE certification standards. The product casing is coated with a conformal coating, providing anti-mildew, anti-moisture, and anti-salt spray functions.
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| M31-AXEX8080G-U-CAN port and button description: | ||
| Screen printing | Name | Explanation |
| DI1 | DI1 switches to input output | DI1 input interface for switching and using COMA in coordination |
| DI2 | DI2 switches to digital input | DI2 switched input interface, used in conjunction with COMA |
| DI3 | DI3 switches on and off input output | DI3 switchable input interface, used in conjunction with COMA |
| DI4 | DI4 switches on and off digital input | DI4 switched input interface, used in conjunction with COMA |
| COMA | DI switch input common terminal | DI1-DI4 share a common COMA terminal |
| DI5 | DI5 switches and inputs | DI5 switch-input interface, used in conjunction with COMB |
| DI6 | DI6 switches and outputs | DI6 switch input interface, used in conjunction with COMB |
| DI7 | DI7 switches on and off input inputs | DI7 switched input interface, used in conjunction with COMB |
| DI8 | DI8 switches on and off input output | DI8 switch input interface, used in conjunction with COMB |
| COMB | DI switch input common terminal | DI5-DI8 Shared COMB Common Terminal |
| DO1 | DO1 switch output | DO1 switch output interface, used in conjunction with COMC |
| DO2 | DO2 switch output | DO2 switch output interface, used in conjunction with COMC |
| DO3 | DO3 switch output output | DO3 switch output interface, used in conjunction with COMC |
| DO4 | DO4 switch output | DO4 switch output interface, used in conjunction with COMC |
| DO5 | DO5 switch output output | DO5 switch output interface, used in conjunction with COMC |
| DO6 | DO6 switch output output | DO6 switch output interface, used in conjunction with COMC |
| DO7 | DO7 switch output | DO7 switch output interface, used in conjunction with COMC |
| DO8 | DO8 switch output output | DO8 switch output interface, used in conjunction with COMC |
| COMC | DO's COM side | DO1-DO8 are used together with the COMC |
| Config | Type-C port | Firmware upgrade interface |
| Reload | Restore factory settings / auto-negotiation | Press and hold for 5-10 seconds to restore factory settings; |
| H(CAN) | CAN H interface | CAN H interface |
| L(CAN) | CAN L interface | CAN L interface |
| G(CAN) | CAN G interface | CAN G interface |
| OR | Grounding | Grounding |
| V-（DC9-36V） | Power supply negative | DC (9-36V) power supply negative terminal |
| V+（DC9-36V） | Power supply positive terminal | DC (9-36V) power supply positive terminal |
| LAN1 | Network port | Standard RJ45 network cable interface |
| LAN2 | Network port | Standard RJ45 network cable interface |
| M31-AXEX8080G-U-CAN indicator light description: | ||
| Screen printing | Name | Explanation |
| RUN | Equipment operation status indicator light | Red
LED lights; Bright/slow flash/flash: The device is running normally,
and during flash flashes, there is CAN data interaction; Extinguishing: Equipment operating abnormally; Slow flash: no CAN data for interaction; |
| BUS | Device bus status indicator light | Yellow LED lights; Bright: The internal bus of the equipment is operating normally; Shutdown: The internal bus operation of the equipment is completely abnormal; |
| Flickering: There may be abnormalities in the internal bus operation of the device | ||
| STA | Bus communication indicator light | Blue LED lights; Flashing: indicates data interaction between the host and expansion modules; Often off: Indicates no data interaction between the host and the expansion module |
| DI1 | DI1 input indicator light | Green LED lights; Bright: Valid input from DI1; Extinction: DI1 invalid input |
| DI2 | DI2 input indicator light | Green LED lights; Bright: DI2 valid input; Extinction: DI2 invalid input |
| DI3 | DI3 input indicator light | Green LED lights; Bright: Effective input for DI3; Extinction: DI3 invalid input |
| DI4 | DI4 input indicator light | Green LED lights; Bright: Valid input from DI4; Extinction: DI4 invalid input |
| DI5 | DI5 input indicator light | Green LED lights; Bright: DI5 valid input; Extinction: DI5 invalid input |
| DI6 | DI6 input indicator light | Green LED lights; Bright: Effective input from DI6; Extinction: DI6 invalid input |
| DI7 | DI7 input indicator light | Green LED lights; Bright: Valid input on DI7; Extinction: DI7 invalid input |
| DI8 | DI8 input indicator light | Green LED lights; Bright: DI8 valid input; Extinction: DI8 invalid input |
| DO1 | DO1 output indicator light | Green LED lights; Bright: DO1 transistor conducts; Extinction: DO1 transistor cutoff |
| DO2 | DO2 output indicator light | Green LED lights; Bright: DO2 transistor conducts; Extinction: DO2 transistor cutoff |
| DO3 | DO3 output indicator light | Green LED lights; Bright: DO3 transistor conducts; Extinction: DO3 transistor cutoff |
| DO4 | DO4 output indicator light | Green LED lights; Bright: DO4 transistor conducts; Extinction: DO4 transistor cutoff |
| DO5 | DO5 output indicator light | Green LED lights; Bright: DO5 transistor conducts; Extinction: DO5 transistor cutoff |
| DO6 | DO6 output indicator light | Green LED lights; Bright: DO6 transistor conducted; Extinguishing: DO6 transistor cutoff |
| DO7 | DO7 output indicator light | Green LED lights; Bright: DO7 transistor conducts; Extinction: DO7 transistor cutoff |
| DO8 | DO8 output indicator light | Green LED lights; Bright: DO8 transistor conducts; Extinction: DO8 transistor cutoff |