8 channal Digital input 4 Relay output isolated RS485 MODBUS RTU SD11

8 channal Digital input 4 Relay output isolated RS485 MODBUS RTU SD11 Feature: 8ch optoelectronic isolation digital input and 4ch relay output (SPST). Using RS485 MODBUS RTU communication standard. It can be netted with configuration software, PLC and industry touch pad Communication, input and output status LED Communication circuit designed for lightening protection and interference immunity Could be used for signal collection and control of Industrial field apparatus SPEK: Digital input ? ? ? ? ? ? ????? 8ch (low level is valid) Relay output ? ? ? ? ? ???????4ch (SPST) Relay contact capacity ??? 2A/250VAC? 2A/30VDC Working Temperature???? -20-70°C External power supply ????DC 9V-30V/2W Isolation protect ? ? ? ? ? ? 1500VDC Installation method????? ? ?Standard DIN slide rail or screw Dimension ? ? ? ? ? ? ? ? ??? 125×73×35mm Interface definition: AVcc – gt; External PSU positive terminal input AGnd – gt; External PSU negative terminal input RY1A – gt; Normally open contact A of the relay output in 1stway RY1B – gt; Normally open contact B of the relay output in ?1stway RY2A – gt; Normally open contact A of the relay output in 2ndway RY2B – gt; Normally open contact B of the relay output in 2ndway RY3A – gt; Normally open contact A of the relay output in 3rdway RY3B – gt; Normally open contact B of the relay output in 3rdway RY4A – gt; Normally open contact A of the relay output in 4thway RY4B – gt; Normally open contact B of the relay output in 4thway DI_01 – gt; 1stway digital input DI_02 – gt; 2ndway digital input DI_03 – gt; 3rdway digital input DI_04 – gt; 4thway digital input DI_05 – gt; 5thway digital input DI_06 – gt; 6thway digital input DI_07 – gt; 7thway digital input DI_08 – gt; 8thway digital input 485A – gt; RS485 signal A+ 485B – gt; RS485 signal B-