Honeywell APT4000PH User Manual page 41

Diagnostics functions
These functions are used for testing the connected peripherals.
Display
Action / Remarks
Specify current at output 1
• Press CONF, enter code 5555
The current indicated in the main display for output 1 can
be edited.
Select with
edit number with
proceed with ENTER
The actually measured current is shown in the secondary
display. The APT4000PH is in Hold mode.
Press ENTER to return to measurement (Hold remains
active for another 20 sec).
Specify current at output 2
• Press CONF, enter code 5556
The current indicated in the main display for output 2 can
be edited.
Select with
edit number with
proceed with ENTER
The actually measured current is shown in the secondary
display. The APT4000PH is in Hold mode.
Press ENTER to return to measurement.
Relay test (manual test of contacts)
• Press CONF, enter code 5557
The relays are frozen. This state is indicated in the display.
The 4 digits in the display correspond to the 4 relays (as on
terminal plate):
1st digit: R1
2nd digit: R2
3rd digit: AL
4th digit: CLN
Select a relay
Function test using arrow keys – see left column.
When exiting the function (ENTER), the relays are set corre-
Test 0/1
sponding to the measured value.
Return to
measurement
80
key,
key,
key,
key,
APT4000PH
Display Action / Remarks
Controller test (manual specification of controller
output)
• Press CONF, enter code 5559
After function activation "Ctrl" is displayed for approx.
3 sec.
With controller turned off, "OFF" is displayed in addition,
then return to measuring mode.
The function is used to start up control loops or check the
actuators.
Controller
For bumpless changeover to automatic operation
characteristic
(exiting this function), configure an I-action component
+100 %
(reset time).
Controller output
Specify value:
Setpoint
Select with
edit number with
proceed with ENTER
-100 %
APT4000PH is in Hold mode.
The arrows indi-
Press ENTER to return to measurement
cate which relay
(Hold remains active for another 20 sec).
(valve) is active:
Relay 2 active
(Meas. value >
Controller output -100 to 0 %:
setpoint)
Relay 1 active
Controller output 0 to +100 %:
(Meas. value <
setpoint)
Momentary controller output (adjusted value has not been
stored yet)
key,
key,
Relay 2 active
Relay 1 active
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