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STD RS485 Isolated module
RS485 Isolated module
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2024-05-11 21:47:03
Creation time：
2023-12-20 15:27:39
Description
Description
Product Description
This an Isolated RS485 Modbus CNC I/O Module designed for use with the 6 Pack Universal CNC Controllers (need coming soon). It can be used to control RS485 spindle VFDs. Many types are supported. Check the wiki to see if your VFD is supported. The isolation prevents electrical noise and spikes from getting to the controller via the RS485 connection. RS485 Control is very robust and allow both precise speed control as well as direction control. The firmware constantly monitors the performance of the spindle and can stop your job if the spindle is not working properly.Product Description.
This module has automatic direction control so, no rts_pin assignment is needed.
Example Connection (Huanyang VFD Example)
| RS485 Module | VFD | Description |
|---|---|---|
| A | RS- | Low (logic 1) |
| B | RS+ | High (logic 1) |
| Gnd | N/C | Terminate cable shield if you have one |
6 Pack Example Config Section
uart1: txd_pin: gpio.26 rxd_pin: gpio.16 rts_pin: NO_PIN baud: 9600 mode: 8N1 Huanyang: uart_num: 1 modbus_id: 1 tool_num: 0 speed_map: 0=0% 0=25% 6000=25% 24000=100%
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | Manufacturer Part | Manufacturer | JLCPCB Part Class | Contributor | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4.7uF | C1 | C0805 | 1 | CL21A475KAQNNNE | SAMSUNG(三星) | C1779 | CL21A475KAQNNNE | |
| 2 | 10uF | C2,C3,C4 | C0805 | 3 | CL21A106KAYNNNE | SAMSUNG | C15850 | CL21A106KAYNNNE | |
| 3 | 100nF | C5,C6,C7 | C0603 | 3 | CC0603KRX7R9BB104 | YAGEO(国巨) | C14663 | CC0603KRX7R9BB104 | |
| 4 | SMAJ6.5CA_C726773 | D1,D2 | SMA_L4.3-W2.5-LS5.0-BI | 2 | SMAJ6.5CA | TWGMC(台湾迪嘉) | C726773 | SMAJ6.5CA_C726773 | |
| 5 | SZYY0805G | LED1,LED2 | LED0805-R-RD | 2 | SZYY0805G | Yongyu Photoelectric | C434432 | SZYY0805G | |
| 6 | 6 Pack Module Pins Bottom | MOD1 | 6 PACK MODULE PCB BOTTOM | 1 | A2541WV-12P | CJT(Changjiang Connectors) | C225487 | 6 Pack Module Pins Bottom | |
| 7 | BSS138 | Q1 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 1 | BSS138 | CJ(江苏长电/长晶) | C78284 | BSS138 | |
| 8 | 220Ω | R1 | R0805 | 1 | 0805W8F2200T5E | UNI-ROYAL(厚声) | C17557 | 0805W8F2200T5E | |
| 9 | 10kΩ | R2 | R0603 | 1 | 0603WAF1002T5E | UNI-ROYAL(厚声) | C25804 | 0603WAF1002T5E | |
| 10 | 20kΩ | R3,R6 | R0603 | 2 | 0603WAF2002T5E | UNI-ROYAL(厚声) | C4184 | 0603WAF2002T5E | |
| 11 | 100Ω | R4 | R0603 | 1 | 0603WAF1000T5E | UNI-ROYAL(厚声) | C22775 | 0603WAF1000T5E | |
| 12 | 120Ω | R5 | R0603 | 1 | 0603WAF1200T5E | UNI-ROYAL(厚声) | C22787 | 0603WAF1200T5E | |
| 13 | 1kΩ | R7 | R0603 | 1 | 0603WAF1001T5E | UNI-ROYAL(厚声) | C21190 | 0603WAF1001T5E | |
| 14 | 2kΩ | R8,R9 | R0603 | 2 | 0603WAF2001T5E | UniOhm | C22975 | 0603WAF2001T5E | 2K |
| 15 | DB125-3.5-3P-GN-S | TB1 | CONN-TH_3P-P3.50_L7.4-W10.5 | 1 | DB125-3.5-3P-GN-S | DIBO(地博电气) | C466971 | DB125-3.5-3P-GN-S | |
| 16 | B0505XT-1WR3S | U1 | PWRM-SMD_B0505XT-1WR3S | 1 | B0505XT-1WR3S | rlt | C713219 | B0505XT-1WR3S | |
| 17 | AMS1117-3.3_C369933 | U2 | SOT-223-4_L6.5-W3.5-P2.30-LS7.0-BR | 1 | AMS1117-3.3 | KEXIN | C369933 | AMS1117-3.3_C369933 | |
| 18 | ADUM3201ARZ-RL7 | U3 | SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL | 1 | ADUM3201ARZ-RL7 | ADI(亚德诺)/LINEAR(凌特) | C9824 | ADUM3201ARZ-RL7 | |
| 19 | SN65HVD3082EDR | U4 | SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL | 1 | SN65HVD3082EDR | TI(德州仪器) | C6912 | SN65HVD3082EDR |
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