EB 7500 EN
35
Technical data
10 Technical data
Type 3421 Compact Controller
Type 3422 Manual Control Station
Circuit
1 and 2
9
Set point/
controlled
variable display
Measuring range 0.2 to 1.0 bar (3 to 15 psi) · Accuracy class 1 (synchronism 0.6) · Scale 0 to
100 %, (linear, square root or special inscription) · Scale length 100 mm
Output display
Output 0 to 1.2 bar (0 to 18 psi) · Accuracy class 2.5 × Scale: 0 to 1.2 bar (0 to 18 psi), length
36 mm
Adjuster for
manual mode
Output 0.2 to 1.0 bar (3 to 15 psi) · Max. 0.02 to 1.35 bar
Max. air delivery >1.5 m
n
³/h · Air consumption depending on adjuster: 0.1 m
n
³/h
Limit contacts
3)
1 or 2 adjustable limit contacts with proximity switch SJ 3,5-N-Y according to EN 60947-5-6
Type 3422 Manual Control Station equippable
with ...
Type ... Module
3423-1 3423-2
1)
3423-3
1)
3423-4
3423-5
3423-6
3423-9
3423-7
Controller action
P
PI
PID
PD
P/PI
PD/PID
P
2)
Ratio module
Control
parameters
Proportional-action coefficient Kp = 0.2 to 20 or 0.4 to 40
Reset time Tn = 0.03 to 50 min
Derivative-action time Tv = 0.01 to 10 min
Derivative-action gain of x »10
Ratio R = a/e
mechanically
adjustable,
R = 0.2 to 20
Operating point adjustment: 0.2 to 1.0 bar (3 to 15 psi)
Input
0.2 to 1 bar (3 to 15 psi)
Output
0.2 to 1 bar (3 to 15 psi), max. 0.02 to 1.35 bar (0.3 to 19 psi)
max. air delivery: >1.5 m
n
³/h · Air delivery with yA setting: approx. 1 m
n
³/h per % of the system
deviation · With R setting: approx. 3 m
n
³/h per % of the system deviation
Air consumption
in steady state in
m
n
³/h
<0.1
<0.05
<0.13
<0.1
<0.05
<0.05
<0.05
<0.1
Alignment offset
<0.5 %
Hysteresis <0.4 %
(1 % at R >2)
Tracking error
<0.5 %
Deviation from
terminal-based
linearity <1 %
Dead band
<0.01 %
Derivative
element
Deviation of controlled variable x: <1 %
(0.4 % at V = 0.5
to 2)
Influence of
supply air at 1.4
±0.1 bar
<±0.1 % (D element additionally: <±0.2 %)
<±1 % (<±0.4 % at
V <2)
Temperature
influence/K
<0.01 % (D element additionally: <0.01 %)
<0.05 % (<0.02 %
when V = 0.5 to 2)
1)
Optionally with maximum feedback limitation
2)
With set-point-dependent operating point
3)
No longer available
