Samson Trovis 6400 Mounting And Operating Instructions page 97

Process display and control panel elements
1 Jack for COPA pen or COPA adapter
2 Red LED for messages or faults
1 ⁄
3 3 -digit digital display for set point (ref-
2
erence variable) ( can be switched to out-
put variable), parameter values and
values of the configuration blocks
4 Indicator for end of range (e.g. when
measuring range and reference variable
range are set in the PARAMETER mode)
5 Indicator for start of range (e.g. when
measuring range and reference variable
range are set in the PARAMETER mode)
6 Exchangeable label for physical unit
7 Bar graph for error (control deviation) in %
1 ⁄
8 3 -digit digital display for controlled
2
variable and configuration block
9 Indicator for limit relay 1
10 Indicator for limit relay 2
11 Indicator for + with three-step signal
"OPEN" or for on-off output signal
12 Indicator for - with three-step signal
"CLOSED"
13 Indicators for closed position of control
valve at 0 or 100 %
14 Bar graph for output variable 0 to 100%
15 Replaceable label for recording of
measuring point
16 Indicators for "internal set point valid" or
"follower controller set point (reference
variable) valid" in cascade control mode
17 Indicators for "monitoring of measuring
range"
18 Indicators for "external system not
ready", e.g. with SPC or DDC-backup
operation
19 Symbol for MANUAL or AUTOMATIC
mode
20 Indicators for external control signal
21 Parameter table with :
Symbol for code number
X Controlled variable
W External reference variable
EX
Z Disturbance variable
W Internal set point (reference variable)
IN
W Safety set point
S
X Error (control deviation)
d
X Hysteresis
SD
TZ Dead band
K Proportional-action coefficient
P
T Reset time
N
T Rate time
V
Y Controller output 1
1
Y Controller output 2
2
T Actuating time Y1
Y1
T Actuating time Y2
Y2
T Time constant for filter
S
GW Limit value
K to Constants
1
K
9