Table of Contents
1. Overview .................................................................................................. 5
2. Receipt / unpack of the products ................................................................ 6
3. Knowing the products ............................................................................... 7
3.1. Product description ................................................................................................... 7
3.2. Power and data cable description ............................................................................... 7
3.3. Mechanical dimensions .............................................................................................. 8
4. Installation ............................................................................................... 9
5. Operation and MENU description .............................................................. 11
5.1 Check the product specifications .............................................................................. 11
5.2 Check the leakage ................................................................................................... 11
5.3 Power the product and digital data connection ......................................................... 11
5.4 Meter display and MENU descriptions ...................................................................... 12
5.4.1. Meter display and function keys .................................................................................... 12
5.4.2. MENU function input sequence ..................................................................................... 12
5.4.3. Detailed descriptions of the functions ............................................................................ 15
5.5 RS485 Modbus / RS232 communication protocol ....................................................... 17
5.5.1. Hardware connection .................................................................................................... 17
5.5.2. Communication parameters ........................................................................................... 18
5.5.3. Frame .......................................................................................................................... 18
5.5.4. Function codes ............................................................................................................. 19
5.5.5. Registers ...................................................................................................................... 19
5.6 Analog output (0.5 ~ 4.5Vdc) .................................................................................... 22
5.7 Pressure loss ........................................................................................................... 22
6. Product selection and order information .................................................... 24
6.1 Product selection .................................................................................................... 24
6.2 Order contact and customer support ........................................................................ 24