English (GB)
5
7.2 General data
7.3 Electronic data and functions
7.3.1 Inputs and outputs
7.3.2 Controller functions
7.3.3 Display ranges
7.3.4 Adjustment ranges
Input power
Approximately 8 VA
Permissible
ambient
temperature
0 to 50 °C
Permissible
storage
temperature
-20 to +65 °C
Maximum relative
humidity
90 % (non-condensing)
Weight
0.8 kg
Enclosure
Noryl, chemically resistant
Connections
Screw-plug terminals for
cables up to 2.5 mm
2
Versions of power
supply
• 230/240 V (50/60 Hz)
(standard model)
• 115/120 V (50/60 Hz)
Current output 1
Continuous control output for
SP 1:
• 0 (4) to 20 mA
• electrically isolated
• max. load 400
Ω
.
Current output 2
Position of feedback
potentiometer or continuous
control output for SP 2
• 0 (4) to 20 mA
• electrically isolated
• max. load 400
Ω
.
Current input 1
Measured value (actual
value):
• 0 (4) to 20 mA
• electrically isolated
• load 50
Ω
.
Current input 2
Disturbance variable/
command variable:
• 0 (4) to 20 mA
• electrically isolated
• load 50
Ω
.
Contact rating
6 A / 250 V, max. 550 VA
resistive load (with contact
protection circuit) of relay
outputs.
Note
The current inputs are electrically
isolated from the current outputs, but
are applied together to the same
potential.
Control functions
• Limit contact
• continuous controller
• two-position controller
• three-position controller
proportional controller
• ratio controller
• controller with disturbance
variable feedforward.
Control action
• Proportional action
• integral action
• differential action.
Measured value (actual value)
0-100 %
Disturbance variable
0-1,999 %
Position of final control element
0-100 %
Switching points
0-100 %
Control direction
Can be set to upward or
downward.
Proportional band X
p
0-500 %
Reset time T
n
0-1,999 s
Derivative action time
T
v
0-500 s
Setting for current
output 2
Ratio: -1,999 to +1,999 %
Disturbance variable:
0-1,999 %
Hysteresis
0-50 %
Interpulse period
1-99 s
Minimum pulse width
0 - 9.9 s
Pulse frequency
(selectable
separately for each
switching point)
0.1 - 72 (correlates with
10-7,200 pulses/hour)
Actuating time
1-240 s
Time delay for alarm
signal
0-1,999 s (maximum
dosing time)
