building automation systems features bas-3050 bas-3051 bas-3050 bas-3051 8-ch di, 8-ch do expansion module 16-ch di expansion module common specifcations general dimension (w x h x d) 120 x 120 x 44 m enclosure abs + pc watchdog timer yes operating mode 1. connect to bas-3520/3512 (powered by bas-3520/3512) 2. standalone as remote i/o devices (need external power 24 v dc ) communication local bus (connect to bas-3520/3512) rs-485 (standalone as remote i/o devices) ? ? ? ? ? environment operating temperature -10 ~ 60 c storage temperature -20 ~ 80 c operating humidity 20 ~ 95% (non-condensing) storage humidity 0 ~ 95% (non-condensing) ? ? ? ? new rohs compliant 2002/95/ec unique io design for local & remote io supports 1 khz counter input and 1 khz frequency input (2 channels) supports pwm output (2 channels) (bas-3050 only) ? ? ? introduction bas-3050/bas-3051 expansion i/o modules can be stacked on the ddc controller, or can serve as remote standalone i/o modules through an rs-485 network. these expansion i/o modules add both scalability and fexibility to advantech bas-3000 solutions. like the ddc, i/o expansion modules can be programmed using the baspro programming tool. specifcations general power input 24 v dc /24 v ac power consumption 3 w @ 24 v dc digital input channels 8 (bas-3050)/16 (bas-3051) dry contact logic high close logic low open support 1 khz counter input (2 channels) support 1 khz frequency input (2 channels) digital output (bas-3050 only) channels 8 (source type) vcc 10 ~ 35 v dc , current: 1 a (per channel) supports pwm output (2 channels) minimum period 1 second (for pwm output) minimum pulse width 0.1 second (for pwm output) ? ? ? ? ? ? ? ? protection isolation voltage 3,000 v dc ordering information bas-3050-ae 8-ch di, 8-ch do expansion module BAS-3051-AE 16-ch di expansion module ? ? ?
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