usb-4718 8-ch thermocouple input usb module with 8-ch isolated digital input ? supports usb 2.0 ? supports voltage, current, and thermocouple inputs ? bus-powered ? 8 thermocouple input channels ? 2,500 v dc isolation ? supports 4 ~ 20 ma current input ? detachable screw terminal on modules ? 8-ch isolated di and 8-ch isolated do ? suitable for din-rail mounting ? one lockable usb cable for secure connection included introduction the usb-4700 series consists of true plug & play data acquisition devices. no more opening up your computer chassis to install boards just plug in the module, then get the data. its easy to use and effcient. usb-4718 offers 8 thermocouple inputs with 16-bit resolution, up to 0.1% input range accuracy. portable design makes the usb-4718 suitable for feld research. also, the input channels can be set separately making handling multiple type of sensors with just one usb-4718 module possible. reliable and rugged enough for industrial applications, yet affordable for home projects, the usb-4718 is the perfect way to add measurement and control capability to any usb capable computer. the usb-4700 series is fully plug and play and easy to use. it obtains all required power from the usb port, so no external power connection is ever required. specifcations analog input ? accuracy 0.1% for voltage input ? bandwidth 13.1 hz @ 50 hz, 15.72 hz @ 60 hz ? channels 8 differential ? ch. independent conf. yes ? cmr @ 50/60 hz 92 db min. ? resolution 16 bits ? input impedance 1.8 m? ? lnput range 0 ~ 15 mv, 0 ~ 50 mv, 0 ~ 100 mv, 0 ~ 500 mv, 0 ~ 1 v, 0 ~ 2.5 v, 0 ~ 20 ma, 4 ~ 20 ma ? lnput types thermocouple, mv, v, ma ? sampling rate 10 s/s (shared for all channels) note: the sampling rate for each channel is fxed due to the hardware design. it is 10/8 = 1.25 s/s per channel no matter how many channels you use. ? span drift 25 ppm/c ? t/c type and temperature ranges j 0 ~ 760c r 500 ~ 1750c k 0 ~ 1370c s 500 ~ 1750c t -100 ~ 400c b 500 ~ 1800c e 0 ~ 1000c ? tvs/esd protection built-in ? zero drift 0.3 v/c isolated digital input ? channels 8 ? input voltage logic 0: 3 v max. logic 1: 5 v min. (30 v max.) ? isolation protection 2,500 v dc ? opto-isolator response 25 s isolated digital output ? channels 8 ? output type sink (npn) ? isolation protection 2,500 v dc ? output voltage 5 ~ 30 v dc , 1.1 a max./ total ? sink current 200 ma max./channel ? opto-isolator response 25 s general ? bus type usb 2.0 ? i/o connector onboard screw terminal ? dimensions (lx w x h) 132 x 80 x 32 mm (5.2" x 3.15" x 1.26") ? power consumption 100 ma @ 5 v ? watchdog timer 1.6 sec. (system) ? operating temperature 0 ~ 60c (32 ~ 140f) ? storage temperature -20 ~ 70c (-4 ~ 158f) ? storage humidity 5 ~ 95% rh non-condensing ordering information ? USB-4718-AE 8-ch thermocouple input usb module accessories ? 1960004544 wallmount bracket ? 1960005788 vesa mount bracket rohs compliant 2002/95/ec all product specifications are subject to change without notice last updated : 5-may-2015 industrial usb i/o modules features
|
