
Compod™ Instruction Manual IM-COMPOD Rev. C 8
MODBUS REGISTERS OVERVIEW
PDU
Address
Register Description Read/Write Data type No. registers
Dynamic data
$00 40001 Actual flow - low word R 32 bits real 2
$01 40002 Actual flow - high word
$02 40003 Set point - low word R/W 32 bits real 2
$03 40004 Set point - high word
$04 40005 Totalizer3,4 R/W (Reset) BCD encoded 4
$05 40006 Totalizer1,2 R
$06 40007 Totalizer7,8 R
$07 40008 Totalizer5,6 R
$08 40009 Valve power R 16 bits int. 1
$09 40010 Analog CH0 R 16 bits int. 1
$0A 40011 Analog CH1 R 16 bits int. 1
$0B 40012 Alarm status R/W 16 bit int. 1
Settings
$0C 40013 Factory f.s
low word R 32 bits real 2
$0D 40014 Factory f.s
high word
$0E 40015 User f.s
low word R/W 32 bits real 2
$0F 40016 User f.s
high word
$10 40017 Gas span
low word R/W 32 bits real 2
$11 40018 Gas span
high word
$12 40019 Trigger low
low word R/W 32 bits real 2
$13 40020 Trigger low
high word
$14 40021 Trigger high
low word R/W 32 bits real 2
$15 40022 Trigger high
high word
$16 40023 Alarm Control register R/W 16 bit int. 1
$17 40024 Trigger source 1 R/W 16 bit int. 1
$18 40025 Analog input setting R/W 8 bits int. 1
$19 40026 Gas index R/W 8 bits int. 1
$1A 40027 Valve position index R/W 8 bits int. 1
$1B 40028 Flow unit index R/W 8 bits int. 1
$1C 40029 Password R/W 16 bits int. 1
$1D 40030 Input set point index R/W 8 bits int. 1
$1E 40031 Analog output index R/W 8 bits int. 1
Static data
$1F 40032 Device firm rev
low word R 32 bits real 2
$20 40033 Device firm rev
high word
$21 40034 Device type R 16 bits ASCII 1
$22 40035 Serial number
char 1,2 R 16 bits ASCII 4
$23 40036 Serial number
char 3,4
$24 40037 Serial number
char 5,6
$25 40038 Serial number
char 7,8
$26 40039 Tag number - char 1,2 R 16 bits ASCII 5
$27 40040 Tag number - char 3,4
$28 40041 Tag number - char 5,6
$29 40042 Tag number - char 7,8