23
9 Operation
9.1 Basics
Displays and
keys
1
LED K3 has no function if the instrument was ordered with process
value output (output “888”) or with a power supply for a 2-wire
transmitter (output “140”).
(1)
Status indicators (yellow)
1
for outputs 1 to 4
LED “K1” => relay K1
LED “K2” => relay K2
LED “K3” => optional relay K3
LED “K4” => logic output K4
(6)
4-digit temperature display
(LED, green, 8mm high)
(2)
Increment key for altering parameters
or manual operation of relay K2
(7)
4-digit process value indication
(LED, red, 13mm high)
(3)
Decrement key for altering parameters
or manual operation of relay K1
(8)
Dimensional unit, depending on
instrument version
(4)
EXIT key to leave
the levels
(3)
+
(5)
"CAL": initiate calibration (cell constant or
temperature coefficient)
(5)
PGM key for selection of parameters and
confirmation of entries, or
for manual operation of relay K3.
(2)
+
(4)
Initiate manual operation or hold
PGM
EXIT
K1
K2
K3
K4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
°C
(8)
