53
7 Internal Burner Firing Rate Controller
7.5 Enter Setpoint of Firing Rate Controller
Up to software version A3i1023 you can change the setpoint with parameter settings only.
From software version A3i1023 on you can change the setpoint of the firing rate controller.
This function works in case of running burner only.
-display on firing rate rating
NOTICE
If you change the setpoint, regard that also the on and off switchpoints are shifted, because
they were defined as difference value to the setpoint.
7.6 Input Signals
The analogue inputs can be preset in various forms.
Actual value:
• as 0/4-20 mA current signal, terminals 4 and 5 (+), 3 (-)
• as non active current signal 4...20 mA (two-wire connection), terminal 23, + 24V supply,
terminals 4 and 5 input
• as 0...10 V voltage signal
• as 0...5 k resistance signal, terminal 4, 5 and 6
• directly as PT 100 terminal 21, 20, 19 as three-wire connection (0 – 320 °C)
Outside temperature (setpoint-shifting) - only available if ETAMATIC has the option "control by
atmospheric condition"
• as PT100 (0 – 320 °C) as three-wire connection, terminals 39, 40, 41 (default)
• as 4...20mA current signal, terminals 39 (-) and 40 (+),
special option, please order separately
• as non active current signal 4...20 mA, term. 23 + 24V supply, terminal 40 input
Press key 9 and 6 simultaneously the setpoint in the display is blinking.
Use keys 4 and 5 to change the value.
Press key 11 ENTER to confirm the new value
Press keys 7 and 8 simultaneously to leave this mode without changes.
To Next Page
Loading...
