Features

• Support Analog Devices to Modbus RTU Networks
• Support 4 Analog Inputs
• 3 Models to cover various applications
  • I-140 – 4~20mA x 2 Channels + 0~10V x 2 Channels
  • AI-140A – 4~20mA x 4 Channels
  • AI-140V – 0~10V x 4 Channels

Specifications

System

• CPU: 8 bits CPU
• RAM: 64KB Internal SRAM
• ROM: 256K bytes Flash ROM
• Watchdog: Built in H/W Watchdog timer

Serial Interface

• Port number: 1
• Port Type: RS-485 x 1 Port
• Connector: 2-pin Terminal Block
• Speed: 300 bps ~ 115.2 Kbps
• Parity: None, Odd, Even, Mark, Space
• Data Bit: 5, 6, 7, 8
• Stop Bit: 1, 2
• RS-485: Data+, Data-
• Built–in: RS-485 pull high/ low Terminal Resistor
• Protection: 485 Surge & Over Current Protection
• Built in 15KV ESD protection for all signals

Power

• Dual Inputs
• Input 1: DC 9 ~24V, 500mA@ 12VDC
• Input 2: Terminal Block
• LED PWR, Pair, Rx, Tx

Analog Input

• Resolution: 12 bits
• Input number: 4
• Current: 4 ~ 20 mA x 2 channels
• Voltage: 0 ~ 10 V x 2 channels
• Other Types :
• AI-140-A : 4 ~ 20 mA x 4 channels
• AI-140-V : 0 ~ 10 V x 4 channels

Regulatory Approval

• FCC: Part15 Class A
• CE: EN55022 Class A, EN55024
• RoHS: Compliance

Warranty

• 1 Year

Environment

• Temperature:
  • Operating: -10°C ~ 65°C (14°F ~ 149°F)
  • Storage: -20°C ~ 70°C (-4°F ~ 158°F)
• Humidity:
  • Operating: 10% ~ 95% non-condensing
  • Storage: 5% ~ 95% non-condensing

Software Features

• Modbus: Convert Analog signal to Modbus protocol Support Modbus RTU Slave
• OS Supported: Win 2000/2003/XP/Vista/Win 7/Win 8
• Configuration: Window Utility, Web Browser