10
VCS – Viscosity Controller
4.4
Parameter settings level
Access from the operating level
Depending on the controller type, the operating level has to be unlocked with a switch on
the back panel of the device.
After polling (see instructions for level PARA 1 / 2), a flashing frame with the description PAR1 / PAR2 shows the
activated parameter level.
The upper text display shows the first parameter name and the adjusted value, the lower text display optionally
shows a description text.
Continue to the next parameter and/or confirm entry:
briefly press the button each time.
To change the setting displayed: Press the
buttons
:
Settings in detail:
(existence depends on version and type):
PARA 1
Polling: press and hold the button >5 sec,
release it after the display reacts.
Factory
setting
Notes
COD2
Code number 2 (password) for parameter levels (1 to 9999)
1
CH..
(only) for multi-channel controllers: Selection of desired channel (no.)
P
Proportional range Xp (%) (for more details, see “Optimisation”)
35.0
I
Integral action time Tn (min) (for more details, see “Optimisation”)
6.0
D
Rate time Tv (min) (for more details, see “Optimisation”)
0.2
SH
Response sensitivity (“dead zone”) Xsh (%)
0.1
SA
Setpoint distance (absolute) for following switching contact no
5.0 / 3.0
SP
Independent setpoint for switching contact no.
0.0
SD
Hysteresis (switching difference on/off) for switching contact no
3.0
return to operating mode:
briefly press the button (or automatic after > 30 sec)
PARA 2
Polling: press and hold the button, additionally press the
button, hold both buttons for >5 sec, release them after
the display reacts:
Factory
setting
Notes
COD2
Code number 2 (password) for parameter levels (1 to 9999)
1
Unit
Switches the unit of display (°C / °F)
°C
*BLO/
*
BHI
(only) for voltage / current input: start / end of display range
#
*ELO/
*
EHI
(only) for external setpoint: start / end of setpoint range
#
*SLO/
*
SHI
(only) for information signal output: start / end of range
#
NST
Number of decimal places of the display (0 / 1 / 2, depending
on range)
0
*
Lo /
*
HI
Setpoint setting range, lower / upper limit
#
CRST
Contrast setting for display (0 to 20)
32
Summary of Contents for Viscosity VC312
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