Grundfos DDI Series

7
• General status messages (bytes 7, 8/bits 4-0)
– current pump status: pump off/on
– remote off inactive/active
– dosing controller off/on
– slow mode off/on
– memory function (contact memory) off/on.
• Status messages for current operating mode (bytes 7, 8/
bits 11-8)
– manual
– contact
– current control 0-20 mA
– current control 4-20 mA
– batch dosing with manual start
– batch dosing with contact start
– timer with manual start
– timer with contact start
– calibration.
Bit Bytes 7, 8: Status messages for DDI 209
0
Pump status
0 = pump off
1 = pump on
1
Remote off
0 = inactive
1 = active
2
Dosing controller
0 = off
1 = on
3
Slow mode
0 = off
1 = on
4
Memory function
0 = off
1 = on
5 Reserve
6
Pressure control (only for DDI 209 with Flow
Monitor)
0 = off
1 = on
7
Transfer of actual value (only for DDI 209 with
Flow Monitor)
0 = volume flow
1 = pressure value (mbar) with activated
pressure control
8-11
Operating mode Bit 11 Bit 10 Bit 9 Bit 8
Manual 0 0 0 0
Contact 0 0 0 1
Current control
0-20 mA
0010
Current control
4-20 mA
0011
Batch dosing with
manual start
0100
Batch dosing with
contact start
0101
Timer with
manual start
0110
Timer with
contact start
0111
Calibration 1000
12-15 Reserve
Bit Bytes 7, 8: Status messages for DDI 222
0
Pump status
0 = pump off
1 = pump on
1
Remote off
0 = inactive
1 = active
2
Dosing controller
0 = off
1 = on
3
Slow mode 1
0 = off
1 = on
4
Slow mode 2
0 = off
1 = on
5 Memory function
6
Pressure control
0 = off
1 = on
7
Pressure control
0 = volume flow
1 = pressure value (mbar) with activated pressure
control
8-11
Operating mode Bit 11 Bit 10 Bit 9 Bit 8
Manual 0 0 0 0
Contact 0 0 0 1
Current control
0-20 mA
0010
Current control
4-20 mA
0011
Batch dosing with
manual start
0100
Batch dosing with
contact start
0101
Timer with manual start 0 1 1 0
Timer with contact start 0 1 1 1
Calibration 1 0 0 0
12-15 Reserve