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Hardware User Manual 

3onedata proprietary and confidential                            21 

Copyright © 3onedata Co., Ltd.   

 

Reference Circuit for RS-485 (Two-wire System) with Isolation 

Isolated power supply: 

 

 
Signal isolation: 

 

 
Automatic direction control circuit: 

Summary of Contents for IEM615 Series

Page 1: ...IEM615 Series Managed Industrial Ethernet Switch Module Hardware User Manual Version 02 Issue Date 2018 12 28 Industrial Ethernet Communication Solutions Expert 3onedata Co Ltd...

Page 2: ...product service or features should be constrained by 3ondedata commercial contracts and clauses The whole or part product service or features described in this document may beyond purchasing or using...

Page 3: ...aiwangxin High Technology Industrial Park Song Bai Road Nanshan District Shenzhen 518108 China Technology support tech support 3onedata com Service hotline 86 400 880 4496 E mail sales 3onedata com Fa...

Page 4: ...rmat Convention Format Description Words with represent the interface words e g The port No Multi level path is separated by Such as opening the local connection path description Open Control Panel Ne...

Page 5: ...cause personal injury Make a necessary supplementary instruction for operation description Configuration operation or tips for device usage Pay attention to the operation or information to ensure succ...

Page 6: ...N OF PIN DEFINITION NAME 7 3 3 LIST OF PIN DEFINITION 8 3 4 DETAILED DESCRIPTION OF THE PIN DEFINITION 11 3 4 1 100M Ethernet Port 11 3 4 2 Power Supply and Ground Signal 13 3 4 3 TTL UART Interface 1...

Page 7: ...rial port support serial port server function of serial port to Ethernet 2 TTL CAN ports support the CAN server function of CAN to Ethernet bidirectional transparent transmission 1 CONSOLE port for co...

Page 8: ...Port type TTL level which can be expanded into RS 232 RS 485 RS 422 Baud rate 300bps 115200bps TTL CAN port Baud rate 5kbps 1000kbps Exchange Properties Backplane bandwidth 1 2G Packet buffer size 0...

Page 9: ...Hardware User Manual 3onedata proprietary and confidential 3 Copyright 3onedata Co Ltd 2Dimension 2 1 Package Design The module structure chart as follows...

Page 10: ...t of female header 4 3mm square hole 0 4mm 0 4mm 4 Female header A Female header 2 25 pin spacing 1 27mm height of female header 4 3mm square hole 0 4mm 0 4mm 5 Location hole The inner diameter is 3 5...

Page 11: ...Hardware User Manual 3onedata proprietary and confidential 5 Copyright 3onedata Co Ltd 2 2 Product Dimension Structure chart of the module as follows Unit mm...

Page 12: ...Co Ltd 3Description of Pin Definition 3 1 View of Pin Definition To facilitate the user to view the pin definition when routing the PCB printed circuit board the pin definition diagram adopts top view...

Page 13: ...l 3onedata proprietary and confidential 7 Copyright 3onedata Co Ltd 3 2 Description of Pin Definition Name Pin Identification Description GND Ground RX Receive Data TX Transmit Data VIN_3V3 VIN Voltag...

Page 14: ...serial port configuration UART Universal Asynchronous Receiver Transmitter C_CONFIG CAN_CONFIG CAN port configuration CAN Controller Area Network CAN Port CTS Clear to Send RTS Request to Send RXD Rec...

Page 15: ...TX3 A21 GND A22 GND A23 RX3 A24 RX3 A25 GND A26 GND A27 RX4 A28 RX4 A29 GND A30 GND A31 TX4 A32 TX4 A33 GND A34 GND A35 TX5 A36 TX5 A37 GND A38 GND A39 RX5 A40 RX5 A41 VIN_3V3 A42 VIN_3V3 A43 VIN_3V3...

Page 16: ...er C JP3 C1 C50 Pin No Pin Name Pin No Pin Name C1 GND C2 GND C3 GND C4 GND C5 USER_IO1 C6 ALARM_OUT2 C7 ISP_EN C8 UPDATA C9 RDFS C10 WDI C11 ALARM_OUT1 C12 RUN_LED C13 IO1 C14 IO2 C15 ALARM_IN1 C16 A...

Page 17: ...tly connected to the network transformer When 100M Ethernet ports 1 5 are configured as 100M fiber ports RX 1 5 is directly connected to the positive output terminal of the optical module It is recomm...

Page 18: ...ing of 100M Ethernet port When 100M Ethernet ports 1 5 are configured as 100M copper ports TX 1 5 is directly connected to the network transformer When 100M Ethernet ports 1 5 are configured as 100M f...

Page 19: ...twork transformer and can t be used for other purposes GND A1 A2 A5 A6 A9 A10 A13 A14 A17 A18 A21 A22 A25 A26 A29 A30 A33 A34 A37 A38 A44 A45 A49 A50 B1 B2 B4 B8 B11 B12 B15 B19 B23 B27 B31 C1 C2 C3 C...

Page 20: ...ment as RS 485 UART2_CTS C26 Input UART2 Clear to Send signal UART2_DTR C45 Output UART2 Data Terminal Ready signal UART2_DSR C46 Input UART2 Data Send Ready signal U1_DCD C39 Input UART1 Data Carrier...

Page 21: ...low level ALARM_OUT2 could be extended to alarm indicator Active low level ALARM_OUT1 C11 ALARM_IN0 C16 Input The pin of 2 way alarm signal input It could configure alarm input type on its own such a...

Page 22: ...he 100M Ethernet port 1 5 are configured to 100BSEA TX the corresponding pin SPEED 1 5 output low levels SPEED2 B17 SPEED3 B21 SPEED4 B25 SPEED5 B29 3 4 8Other Pins Pin Name Pin No Type Function Descr...

Page 23: ...isn t used please suspend it IO3 C17 Reserved This pin isn t used please suspend it IO4 C18 Reserved This pin isn t used please suspend it U1_CONFIG C19 Reserved This pin isn t used please suspend it...

Page 24: ...rt type configuration input 100M Ethernet port configuration pin When CONFIG 1 5 is grounded the corresponding 100M Ethernet port 1 5 will be configured to 100M copper port When CONFIG 1 5 is connecte...

Page 25: ...network transformer in the picture of 100M copper port reference circuit is 1 1 network transformer The recommended model is H1102 or other compatible products The central tap of the network transfor...

Page 26: ...ed signal UART_CTS 1 2 Input UART1 2 Clear to Send signal UART_RTS 1 2 Output UART1 2 Request to Send signal UART_DSR 1 2 Input UART1 2 Data Send Ready signal UART_DTR 1 2 Output UART1 2 Data Terminal...

Page 27: ...er Manual 3onedata proprietary and confidential 21 Copyright 3onedata Co Ltd Reference Circuit for RS 485 Two wire System with Isolation Isolated power supply Signal isolation Automatic direction cont...

Page 28: ...and confidential 22 Copyright 3onedata Co Ltd Serial to RS 485 circuit Reference Circuit for RS 422 The connection method of RS 422 four wire system adopts full duplex communication method which can...

Page 29: ...t CAN Received signal CAN1_ERR Output CAN Error indicator Active low level CAN2_ERR Output Reference Circuit for CAN The CAN bus connects to the physical bus via CANH and CANL the two output ends of C...

Page 30: ...this module the UART0 debugging port is used for building CLI management platform Pin Name Pin No Type Function Description U0_RXD C34 Input UART0 received signal merely used for CONSOLE port to debu...

Page 31: ...pins Its type can be self configured to low high level alarm ALARM_OUT1 Output Relay alarm output low level alarm ALARM_OUT2 Output Alarm signal output pin Active low level Reference Circuit for Rela...

Page 32: ...Hardware User Manual 3onedata proprietary and confidential 26 Copyright 3onedata Co Ltd Reference Circuit for Reset...

Page 33: ...ight 3onedata Co Ltd 3onedata Co Ltd Headquarter address 3 B Zone 1 Baiwangxin High Technology Industrial Park Song Bai Road Nanshan District Shenzhen Technology support tech support 3onedata com Serv...

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