... rank 4.Customizable, OEM&ODM Introduction1.Specification 16 Channel relay output, 8 Channel use one common connector 2 ports ,RS485 or ... RS232( 3 wire) , Modbus RTU2.Parameters Relay Output 16 Channel relay output 8 Channel use one common connector One Form A ... : 86~108Kpa, No corrosive gas or heavy dust Weight: 450g Input/Output M3 screw terminals Mounting: Surface or DIN rail Size: 125 ...