“EMB-3700-COM”的版本间的差异
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Wangqiuyun(讨论 | 贡献) (→COM2 跳线功能设置(J1、J2、J3)) |
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(未显示同一用户的2个中间版本) | |||
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{| class="wikitable" | {| class="wikitable" | ||
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− | ! RS485 !! RS422 !! RS232 !! | + | ! RS485 !! RS422 !! RS232 !! Pin !! Pin !! RS232 !! RS422 !! RS485 |
|- | |- | ||
| DATA- || TX- || DCD || 1 || 2 || DSR || NC || NC | | DATA- || TX- || DCD || 1 || 2 || DSR || NC || NC | ||
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:{| class="wikitable" | :{| class="wikitable" | ||
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− | + | ! colspan=2|COM2 AS RS232 PORT !! colspan=2|COM2 AS RS422 PORT !! colspan=2|COM2 AS RS485 PORT | |
|- | |- | ||
| J1 || 1-3,2-4 || J1 || 3-5,4-6 || J1 || 3-5,4-6 | | J1 || 1-3,2-4 || J1 || 3-5,4-6 || J1 || 3-5,4-6 | ||
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| J3 || 1-2 || J3 || 3-4 || J3 || 5-6 7-8 | | J3 || 1-2 || J3 || 3-4 || J3 || 5-6 7-8 | ||
|} | |} | ||
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===== COM3_COM6: ===== | ===== COM3_COM6: ===== |
2018年8月10日 (五) 16:12的最新版本
COM1:
Pin | 信号名称 |
---|---|
1 | DCD |
2 | RXD |
3 | TXD |
4 | DTR |
5 | GND |
6 | DSR |
7 | RTS |
8 | CTS |
9 | RI |
COM2:
信号名称 | Pin | Pin | 信号名称 |
---|---|---|---|
DCD | 1 | 2 | DSR |
SIN | 3 | 4 | RTS |
SOUT | 5 | 6 | CTS |
DTR | 7 | 8 | RI |
GND | 9 | 10 | GND |
- 当COM2设置为RS485/RS422/ RS232时,其管脚定义分别如下
RS485 | RS422 | RS232 | Pin | Pin | RS232 | RS422 | RS485 |
---|---|---|---|---|---|---|---|
DATA- | TX- | DCD | 1 | 2 | DSR | NC | NC |
DATA+ | TX+ | RXD | 3 | 4 | RTS | NC | NC |
NC | RX+ | TXD | 5 | 6 | CTS | NC | NC |
NC | RX- | DTR | 7 | 8 | RI | NC | NC |
GND | GND | GND | 9 | 10 | GND | GND | GND |
COM2 跳线功能设置(J1、J2、J3)
- (J1, J2,J3)跳线用来设置 COM2 的传输模式, COM2 支持 RS232/RS422/RS485 三种传输模式,您可以根据您自身的需求来选择设置,默认传输模式为 RS232。
- J1、J2、J3:
COM2 AS RS232 PORT COM2 AS RS422 PORT COM2 AS RS485 PORT J1 1-3,2-4 J1 3-5,4-6 J1 3-5,4-6 J2 1-3,2-4 J2 3-5,4-6 J2 3-5,4-6 J3 1-2 J3 3-4 J3 5-6 7-8
COM3_COM6:
信号名称 | Pin | Pin | 信号名称 |
---|---|---|---|
DCD3 | 1 | 2 | DSR3 |
RXD3 | 3 | 4 | RTS3 |
TXD3 | 5 | 6 | CTS3 |
DTR3 | 7 | 8 | RI3 |
GND | 9 | 10 | GND |
DCD4 | 11 | 12 | DSR4 |
RXD4 | 13 | 14 | RTS4 |
TXD4 | 15 | 16 | CTS4 |
DTR4 | 17 | 18 | RI4 |
GND | 19 | 20 | GND |
DCD5 | 21 | 22 | DSR5 |
RXD5 | 23 | 24 | RTS5 |
TXD5 | 25 | 26 | CTS5 |
DTR5 | 27 | 28 | RI5 |
GND | 29 | 30 | GND |
DCD6 | 31 | 32 | DSR3 |
RXD6 | 33 | 34 | RTS6 |
TXD6 | 35 | 36 | CTS6 |
DTR6 | 37 | 38 | RI6 |
GND | 39 | 40 | GND |