Operating Controls; Readings And Their Meaning - Samson TROVIS 5724-8 Mounting And Operating Instructions

3.2 Operating controls

Travel indicator
Fig. 1: Operating elements on the actuator
Travel indicator
Travel and direction of action can be read
off the scale of the travel indicator.
Note
The scale must be turned when a three-way
mixing valve is used so that the travel and
scale reading match. See section 4.4.
Handwheel (TROVIS 5724-8 only)
The valve position can be changed manually
using the handwheel. See section 6.6.
Operating keys
In closed-loop operation, the operating keys
have the function listed in Table 2.
EB 5724-8 EN
TROVIS 5724-8:
handwheel
Display Operating
keys
Design and principle of operation
Display
The actual value (process variable) before
the comparator for controller [1] or [2] is
shown on the display during closed-loop op-
eration. The setting is performed in the A3.1
configuration item in TROVIS-VIEW. See sec-
tion 10.2.
3.3 Readings and their
meaning
Non-blinking readings on the display
Displayed value (see A.2.2) lower than
–9 °C
Displayed value (see A.2.2) greater
than –99 °C
Zero calibration in progress
Initialization in progress
Transit time measurement in progress
Blocking protection active
Manual level in TROVIS-VIEW active
Long-term test in progress
Internal limit LIM1 reached
Internal limit LIM2 reached
Program controller active
Blinking readings on the display
Signal failure AI1 (4)
Signal failure AI2 (5)
Signal failure AI3 (6)
Limit switch (1) error
No basic setting (2)
No configuration (3)
13