... control RS485 Communication CE, RoHS, ISO9001 BC808-G Intelligent Digital Controller RS485 Size: A:96×96mm D:72×72mm ... currentXOptoelectronic isolation , for controlling or transmitting (0.5 level) output, output voltage> 10.5VDC, freely changeable among ... direct voltageX5Optoelectronic isolation , For controlling or transmitting (0.5 level) output, output impedance: 250Ω, freely changeable between 0 ...