FR-48522
(RS422/ 485) Breakout Board
Quick Install Guide (QIG) Preliminary
Contents
General Description
Making UART-TTL logical level convert to RS422/ RS485
Feature:
UART-TTL with 3.3V/ 5V tolerance input.
An optional 120 Ohm (Terminate Resistor) built on board.
RoHS Compliant.
Ordering Information:
FR-48522W: with wire to board connector.
FR-48522D: with board to board Header.
WC7067060153: 6-pin to 6-pin, wire cable for input, L=150mm.
Connector:
| UART-TTL Connector | |||||
| UART3: (Wafer-6pin, 1.25mm, 90°) FR-48522W only | JP3: (Header-5pin, 2.0mm, 180°) FR-48522D only | ||||
| Pin num. | Description | I/O | Pin num | Description | I/O |
| Pint | Power Input (3.3V/ 5V) | P | Pint | Power Input (3.3V/ 5V) | P |
| Pin2 | UART-TX | I | Pin2 | UART-TX | I |
| Pin3 | UART-RX | 0 | Pin3 | UART-RX | 0 |
| Pin4 | GND | P | Pin4 | GND | P |
| Pin5 | UART-RTS | I | Pin5 | UART-RTS | I |
| Pin6 | NC | ||||
* The UART-RTS is a data-flow direction control pin, only available as FR-48522 is set to RS485mode. Driving the UART-RTS to low will receive data from FR-48522.
| Terminate Resister Jumper: (Header-2x2pin, 2.0mm, 180°) | |
| Pin | Description |
| AY/BZ side | Set terminate resister for the output of RS422 or RS485. |
| A/B side | Set terminate resister for the input channel of RS422 only. |
| Terminal Block Connector: (5-pin, Male, 90°) | |||||
| Pin num. | Symbol | Jumper(J-RX) set on 422 side | Jumper(J-RX) set on 485 side | ||
| RS422 mode | RS485 mode | ||||
| Description | I/O | Description | I/O | ||
| Pint | GND | Ground | Ground | ||
| Pin2 | AY | Output Channel+ | 0 | In/Out Channel+ | I/O |
| Pin3 | BZ | Output Channel- | 0 | In/Out Channel- | I/O |
| Pin4 | A | Input Channel+ | I | NC | |
| Pin5 | B | Input Channel- | I | NC | |