B) RTD (R R R R R esistance T T T T T emperature D D D D D etector)
B) RTD
B) RTD
B) RTD
B) RTD
Type
Type
Type: Pt 100 3 wires connection.
Type
Type
Current: 135 µA.
Current
Current
Current
Current
Line resistance
Line resistance
Line resistance
Line resistance: automatic compensation up to
Line resistance
20 Ω/wire with :
- error <+0.1% of the input span for range -19.9 a
99.9 °C.
- not measurable error for the other ranges.
Engineering units
Engineering units: °C or °F programmable.
Engineering units
Engineering units
Engineering units
Burn-out: up scale. NOTE
Burn-out
Burn-out
NOTE
NOTE: a special test is
NOTE
Burn-out
Burn-out
NOTE
provided to signal OVERRANGE when input
resistance is less than 15 Ω.
Calibration
Calibration: according to DIN 43760
Calibration
Calibration
Calibration
STANDARD RANGES TABLE
RTD
RTD
RTD
RTD
RTD
Measuring range
Measuring range
Measuring range
Measuring range
Measuring range
TYPE
TYPE
TYPE
TYPE
TYPE
RTD Pt 100
-199 - +500 °C
-199 - +999 °F
RTD Pt 100
-19.9 - +99.9 °C
CONTROL ACTIONS
CONTROL ACTIONS
CONTROL ACTIONS
CONTROL ACTIONS
CONTROL ACTIONS
Control actions: PID + SMART
Control actions
Control actions
Control actions
Control actions
Proportional band: from 1.0 % (for heating
Proportional band
Proportional band
Proportional band
Proportional band
action) or 1.5 % (for heating and cooling action)
to 99.9 % of the input span.
Setting Pb = 0 an ON/OFF control is performed.
Hysteresis (for ON/OFF control action): from 0.1
Hysteresis
Hysteresis
Hysteresis
Hysteresis
% to 10.0 % of the input span.
Integral time
Integral time
Integral time
Integral time: from 10 seconds to 20 minutes;
Integral time
resolution 10 second. Setting a value upper than
20 minutes the integral action will be excluded.
Derivative time
Derivative time
Derivative time: from 0 to 9 minutes and 59
Derivative time
Derivative time
seconds.
lxs-1-0f.pmd
18
Integral preload:
Integral preload:
Integral preload:
Integral preload:
Integral preload:
- from 0 to 100% for one control output.
- from -100 to 100% for two control outputs
(LHS only).
Heating cycle time: from 1 to 200 s.
Heating cycle time
Heating cycle time
Heating cycle time
Heating cycle time
Cooling cycle time
Cooling cycle time
Cooling cycle time: from 1 to 200 s (LHS only).
Cooling cycle time
Cooling cycle time
Relative cooling gain
Relative cooling gain
Relative cooling gain: from 0.20 to 1.00 (LHS
Relative cooling gain
Relative cooling gain
only).
NOTE: the PB, TI, TD and RCG parameter may
NOTE
NOTE
NOTE
NOTE
be limited when the SMART function is enabled.
Overlapping/dead band: from - 20 % to 50 %
Overlapping/dead band
Overlapping/dead band
Overlapping/dead band
Overlapping/dead band
(LHS only)
CONTROL OUTPUTS
CONTROL OUTPUTS
CONTROL OUTPUTS
CONTROL OUTPUTS
CONTROL OUTPUTS
OUTPUT 1 - heating:
OUTPUT 1 - heating
OUTPUT 1 - heating
OUTPUT 1 - heating
OUTPUT 1 - heating
a ) Relay output with SPDT contact;
contact rating 3A / 250 V ac on resistive load.
-----
b) Logic voltage for SSR drive.
Logic status 1: 24 V +20% @ 1 mA.
14 V +20% @ 20 mA
Logic status 0: <0.5 V
Output action
Output action
Output action
Output action: direct/reverse programmable (not
Output action
available for LHS used for heating/cooling
control).
OUTPUT 2 - cooling
OUTPUT 2 - cooling (LHS only) / alarm 1
OUTPUT 2 - cooling
OUTPUT 2 - cooling
OUTPUT 2 - cooling
a ) Relay output with SPST contact;
contact rating 1A / 250 V ac on resistive load.
By internal jumper it is possible to select the
NC or NO contact.
GB
GB
GB
GB
GB
18
16/01/2004, 9.29
/ alarm 1
/ alarm 1
/ alarm 1
/ alarm 1