| Item | Main | Extension | Text Panel | 
              
                | A-2188-D | A-2188-A | A-2189-D | 
            
              | A-2188D-D | A-2188D-A | A-2189D-D | A-2060-D | A-2060-A | ATP | 
            
              | Inputs | 8 | 8 | 4 | 8 | 8 | LINK | 
            
              | Analog inputs | -- | 4(10-bit) | -- | 
            
              | Supply Voltage | 10~30VDC | 100/240VAC | 10~30VDC | 10~30VDC | 100/240VAC | 
            
              | Outputs | 4 | 
            
              | Continuous current | Relay : 5 A for resistive load, 2 A for inductive load 
 | 
            
              | Real-time Clock/reserve power | Yes / > 2 years | 
            
              | Operation temperature | -10°C to +55 °C | 
            
              | Storage temperature | -20 °C to +70 °C | 
            
              | Linking of functions | 1024(Max) | 
            
              | Input Operating frequency
 | 20000HZ(Total 80000HZ) | 4HZ | 
            
              | Communication Port | USB*1 & RS-485*1 | 
            
              | Display/LED | Yes | 
            
              | Degree of protection | IP 20 | 
            
              | Main I/O Points | 12 points,support 7  units AIO/DIO extension modules | 
            
              | Real-time Clock | Yes | 
            
              | Password Protection | Multiple password protection | 
            
              | Communication Protocol | Master:MODBUS ASCII/RTU\Slave:MODBUS ASCII/RTU | 
            
              | Communication Baud Rate | 1200~115200bps | 
            
              | Digital Input signal status | AC Supply TYPE status low: < 40VAC ; status high: >79VAC  DC Supply TYPE  status low: < 5VDC ;  status high: > 8.5VDC | 
            
              | Digital Input Isolation | Yes | 
            
              | Analog Input Type | -- | 0~10VDC | -- | 
            
              | Main Dimensions(mm) | 72.65*90*60.3 | 
            
              | Ext Dimensions(mm) | 81.21*90*57.1 | 
            
              | A-2188D-D | Supply Voltage:10~30VDC,8DI,4DO(Relay),108*64 LCM | 
            
              | A-2188-D | Supply Voltage:10~30VDC,8DI,4DO(Relay),I/O LED indicator | 
            
              | A-2188D-A | Supply Voltage:100/240VAC,8DI,4DO(Relay),108*64 LCM | 
            
              | A-2188-A | Supply Voltage:100/240VAC,8DI,4DO(Relay),I/O LED indicator | 
            
              | A-2189D-D | Supply Voltage:10~30VDC,8DI,4DO(Relay),4AI(0~10VDC),108*64 LCM | 
            
              | A-2189-D | Supply Voltage:10~30VDC,8DI,4DO(Relay),4AI(0~10VDC),I/O LED indicator | 
            
              | A-2060-D | Supply Voltage:10~30VDC,8DI,4DO(Relay),I/O LED indicator | 
            
              | A-2060-A | Supply Voltage:100/240VAC,8DI,4DO(Relay),I/O LED indicator | 
            
              | CAB-60USB | Communication Cable | 
            
              | ABM64/AMB128 | Memory Card | 
            
              | ATP | Text Panel |