Komunikacja szeregowa
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Specifications |
QJ71C24N |
QJ71C24N-R2 |
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Interface |
channel 1 |
RS232 (9-pin Sub-D) |
RS232 (9-pin Sub-D) |
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channel 2 |
RS422/RS485 (screw terminals) |
RS232 (9-pin Sub-D) |
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Communication mode |
Full duplex/half duplex |
Full duplex/half duplex |
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Synchronisation |
Asynchronous communications |
Asynchronous communications |
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Data transfer |
Rate bit /s |
50–230400 (channel 1 only) 115200 (channel 1+2 simultaneously) |
50–230400 (channel 1 only) 115200 (channel 1+2 simultaneously) |
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Distance RS232 m |
15 |
15 |
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Distance RS422/485 m |
1200 (if both channels are used) |
— |
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Network configuration |
RS232: 1:1 RS485: 1:1; 1:n;n: 1; m:m |
1:1 |
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Data format |
1 start bit, 7 or 8 data bits, 1 or 0 parity bits, 1 or 2 stop bits |
1 start bit, 7 or 8 data bits, 1 or 0 parity bits, 1 or 2 stop bits |
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Error correction |
Parity check, checksum |
Parity check, checksum |
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DTR/DSR control |
YES/NO selectable |
YES/NO selectable |
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X ON/X OFF (DC1/DC3) |
YES/NO selectable |
YES/NO selectable |
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Occupied I/O points |
32 |
32 |
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Internal power consumption (5 V DC) mA |
310 |
260 |
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Weight kg |
0.2 |
0.2 |
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Dimensions (WxHxD) mm |
27.4x98x90 |
27.4x98x90 |
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Order information Art. no. |
149500 |
149501 |
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Specifications |
LJ71C24 |
LJ71C24-R2 |
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|---|---|---|---|---|
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Interface type |
channel 1 |
RS232-compliance (D-Sub 9P female) |
RS232-compliance (D-Sub 9P female) |
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|
channel 2 |
RS422/485-compliance (2-piece terminal block) |
RS232-compliance (D-Sub 9P female) |
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Communication mode |
Full duplex/half duplex |
Full duplex/half duplex |
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Synchronisation |
Start-stop synchronization method |
Start-stop synchronization method |
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Data transfer |
Rate |
bps |
50–230400, 115200 (with simultaneous operation of channel 1 and 2, and fault diagnosis by the monitor function) |
50–230400, 115200 (with simultaneous operation of channel 1 and 2, and fault diagnosis by the monitor function) |
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Distance |
m |
RS232: 15; RS422/485: 1200 |
15 |
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Network configuration |
RS232: 1:1; RS422/485: 1:1, 1:n, n:1, m:n |
1:1 |
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Data format |
1 start bit, 7 or 8 data bits, 1 or 0 parity bits, 1 or 2 stop bits |
1 start bit, 7 or 8 data bits, 1 or 0 parity bits, 1 or 2 stop bits |
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Error detection |
Parity check, checksum |
Parity check, checksum |
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DTR/DSR and RS/CD control |
RS232 enabled, RS422/485 disabled |
RS232 enabled, RS422/485 disabled |
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CD signal control |
RS232 enabled, RS422/485 disabled |
RS232 enabled, RS422/485 disabled |
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X ON/X OFF (DC1/DC3), DC2/DC4 |
RS232 enabled, RS422/485 enabled |
RS232 enabled, RS422/485 enabled |
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Occupied I/O points |
32 |
32 |
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Internal power consumption |
mA |
390 |
260 |
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Weight |
kg |
0.17 |
0.14 |
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Dimensions (WxHxD) |
mm |
28.5x90x95 |
28.5x90x95 |
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Order information Art. no. |
238093 |
238094 |
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