**供應日本OMRON信號變換器
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Dielectric strength 1,500 VAC for 1 minute measured between the following:
External terminals ? casing RS-232C terminals, USB port, RS-422 terminals,
and RS-485 terminals ? power supply terminals 500 VAC for 1 minute measured between the following:
RS-232C terminals and USB port ? RS-422 terminals
Maximum number of connectable Units
? Compact 30-mm-wide body supports both screw-mounting and DIN track mounting.
? Operation either with or without echoback available.
? Functionality to convert between USB and RS-232C communications added.
Slave device
and RS-485 terminals Noise immunity AC power supp
50 g Degree of protection (See note 3.) Front panel operation parts Conforms to IEC standards,
 equivalent to IP20 (when terminal cover mounted) Terminals Equivalent to VDE 0106/100 (when terminal cover mounted)
RS-232C interface (See note 1.)
? Allows communications between RS-232C/USB (Universal Serial Bus)
and RS-422/485 devices.
? Applicable in FA environments: Has passed environment resistance tests equivalent to those for control devices.
? CE marking (except for USB).
30 ms Insulation resistance 20 MΩ min.
measured at 500 VDC between the following: External terminals ? casing RS-232C terminals
and USB port ? RS-422/485 terminals ? power supply terminals Isolation method Communications
RS-485 interface
Maximum transmission distance  500 m
Maximum number of connectable Unitsly terminals, normal/common mode:
±1,500 V AC/DC power supply terminals, normal mode: ±480 V;
common mode: ±1,500 V Square wave with 1-ns rising edge ±1 μs,
? UL/CSA certification (mark license recognition).
and Z directions Destruction 294 m/s2 3 times each in X, Y, and Z directions Weight Approx. 1
31 Units (for multi-drop connection)
RS-422 interface
? Data can be transferred between computers (using the USB port if there is no RS-232C port) and field devices.
? Using two K3SC Units enables long-distance communications between devices connected via RS-232C.
Baud rate 1,200/2,400/4,800/9,600/19,200/38,400 (bps) Default setting:
9,600 Data length 7/8 bits Default setting: 7 Stop bit length 1/2 bits Default setting:
A compact converter that allows communications between RS-232C/USB
and RS-422/485 devices. Ideal for industrial applications.
? USB driver providing virtual communications port for USB communications is available.
Note: To use USB communications, the USB driver for the K3SC
 Phototransistor coupler Power supply Isolating transformer
Maximum transmission distance  500 m
±100 ns Vibration resistance Malfunction 10 to 55 Hz, 0.5-mm single amplitude
for 10 minutes each in X, Y, and Z directions Destruction 10 to 55 Hz,
 0.75-mm single amplitude for 2 hours each in X, Y,
and Z directions Shock resistance Malfunction 98 m/s2 3 times each in X, Y,
 must be downloaded from the OMRON web site. Application Examples
Maximum transmission distance  15 m
Maximum number of connectable Units
USB interface (See note 2.)
Maximum transmission distance
5 m; hub delay time + cable delay time ≤ 70 ns
Maximum number of connectable Units
USB standard V1.1
2 Communications parity None/even/odd Default setting: Even Echoback selection Echoback:
 With/without Default setting: Without Selection switch response delay Approx.

**供應日本OMRON信號變換器