YBI-5S1-A, YBI-5S1-B, the manufacturer's recommended 
 YBI-5S1-A single-phase current, LED Dimensions: 96 * 48 
 YBI-5S1-B, single-phase current, 2DI, RS485, LEDs, Dimensions: 96 * 48 
 YBI-5S1-AD Direct phase current, LEDs, and exterior dimensions: 96 * 48 
 YBI-5S1-BD straight-phase current, 2DI, RS485, LEDs, Dimensions: 96 * 48 

 YBI-3S1-A single-phase current, the LED Dimensions: 83 * 83 
 YBI-3S1-B, single-phase current, RS485, LED Dimensions: 83 * 83 
 YBI-3S1-C single-phase current, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 83 * 83 

 YBI-3S1-A three-phase current, LED Dimensions: 83 * 83 
 YBI-3S1-B three-phase current, RS485, LEDs, Dimensions: 83 * 83 
 YBI-3S1-C three-phase current, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 83 * 83 
 YBI-3S1-D three-phase current, 3AO, RS485, LED, exterior dimensions: 83 * 83 

 YBI-9S1-A single-phase current, LED Dimensions: 96 * 96 
 YBI-9S1-B single-phase current, RS485, LED Dimensions: 96 * 96 
 YBI-9S1-C single-phase current, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 

 YBI-9S1-A three-phase current, LED, Dimensions: 96 * 96 
 YBI-9S1-B three-phase current, RS485, LEDs, Dimensions: 96 * 96 
 YBI-9S1-C three-phase current, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 
 YBI-9S1-D three-phase current, 3AO, RS485, LEDs, Dimensions: 96 * 96 

 YBI-2S1-A single-phase current, LED Dimensions: 96 * 96 
 YBI-2S1-B, single-phase current, RS485, LED Dimensions: 96 * 96 
 YBI-2S1-C single-phase current, 4DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 

 YBI-2S1-A three-phase current, LED, Dimensions: 96 * 96 
 YBI-2S1-B three-phase current, RS485, LEDs, Dimensions: 96 * 96 
 YBI-2S1-C three-phase current, 3DI, 3DO, 3AO, the RS485, LEDs, Dimensions: 96 * 96 
 YBI-2S1-D three-phase current, 3AO, RS485, LEDs, Dimensions: 96 * 96 

 YBU-5S1-A single-phase voltage, LED, Dimensions: 96 * 48 
 YBU-5S1-B single-phase voltage, 2DI, RS485, LEDs, Dimensions: 96 * 48 
 YBU-5S1-AD Direct phase voltage, LED, Dimensions: 96 * 48 
 YBU-5S1-BD straight-phase voltage 2DI, RS485, LEDs, Dimensions: 96 * 48 

 YBU-3S1-A single-phase voltage, LED, Dimensions: 83 * 83 
 YBU-3S1-B single-phase voltage, RS485, LED Dimensions: 83 * 83 
 YBU-3S1-C single-phase voltage, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 83 * 83 
 YBU-3S1-A three-phase voltage, LED, Dimensions: 83 * 83 
 YBU-3S1-B, three-phase voltage, RS485, LEDs, Dimensions: 83 * 83 
 YBU-3S1-C three-phase voltage, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 83 * 83 
 YBU-3S1-D, three-phase voltage, of 3AO RS485, LED Dimensions: 83 * 83 

 YBU-9S1-A single-phase voltage, LED, Dimensions: 96 * 96 
 YBU-9S1-B single-phase voltage, RS485, LED Dimensions: 96 * 96 
 YBU-9S1-C single-phase voltage, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 

 YBU-9S1-A three-phase voltage, LED, Dimensions: 96 * 96 
 YBU-9S1-B three-phase voltage, RS485, LED Dimensions: 96 * 96 
 YBU-9S1-C three-phase voltage, 3DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 
 YBU-9S1-D three-phase voltage, 3AO, RS485, LEDs, Dimensions: 96 * 96 

 YBU-2S1-A single-phase voltage, LED, Dimensions: 96 * 96 
 YBU-2S1-B single-phase voltage, RS485, LED Dimensions: 96 * 96 
 YBU-2S1-C single-phase voltage 4DI, 2DO, 1AO, the RS485, LEDs, Dimensions: 96 * 96 

 YBU-2S1-A three-phase voltage, LED, Dimensions: 96 * 96 
 YBU-2S1-B three-phase voltage, RS485, LED Dimensions: 96 * 96