Elotech R 1120 Bedienungsanleitung
1. Contents
1. Contents............................................................................................................................2
2. Installation Instructions.....................................................................................................2
3. Type Code.........................................................................................................................3
4. Connection Diagram..........................................................................................................3
5. Display and Keyboard........................................................................................................4
6. Operating Levels...............................................................................................................5
7. Configuration Level............................................................................................................6
8. Parameter Level................................................................................................................10
9. Operating Level.................................................................................................................13
10. Basic Level........................................................................................................................14
11. Technical Data..................................................................................................................15
12. Error displays.....................................................................................................................16
2. Installation Instructions
Make sure that the device is used for the intended purpose only.
This controller is designed for installation in control panels.
Protect the device against impermissible humidity and contamination.
Ambient temperature must not exceed 50 °C (122 °F).
Electrical connections must be made according to valid regulations and by properly qualified personnel.
If using thermocouple sensors, compensation lines have to be connected directly to the controller terminals.
Sensors may be connected only in compliance with the programmed range.
Sensor cables and signal lines (e.g. logic or linear voltage outputs) must be laid separately from control lines
and mains voltage supply cables (power cables).
It is not permitted to connect the grounds of the sensor-inputs and logic-outputs with each other.
Separate installation of controller and inductive loads is recommended.
Interference from contactor coils must be suppressed by connecting adapted RC-combinations parallel to the
coils.
Control circuits (e.g. for contactors) should not be connected to the mains power supply terminals of the
controller.
The configuration parameters are generally to be selected first.
Disclaimer of Liability
We have checked the contents of this document for conformity with the hardware and software described.
Nevertheless, we are unable to preclude the possibility of deviations so that we are unable to assume
warranty for full compliance. However, the information given in the publication is reviewed regularly.
Necessary amendments are incorporated in the following editions.
We would be pleased to receive any improvement suggestions which you may have.
The information contained herein is subject to change without notice.
Electronic scrap and components are subject to special treatment and must be disposed of by authorized
companies.
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 2/16
3. Type Code
R 1120 - x - 00 - z
z: 1 Power supply: 230 V AC
z: 2 Power supply: 115V AC
z: 3 Power supply: 24V AC
z: 5 Power supply: 24V DC (+/-25%)
x: 10 Control output OUT1: Relay, control output „heating“ or „cooling“
Output OUT2: Relay, control output „cooling“ or „alarm 2“ output
Output OUT3: Relay, „alarm 3“ output
x: 20 Control output OUT1: Bist. Voltage, control output „heating“ or „cooling“
Output OUT2: Relay, control output „cooling“ or „alarm 2“ output
Output OUT3: Relay, „alarm 3“ output
4. Connection Diagram
Pt 100 / RTD OUT 2 OUT 1 OUT 3
2 wire cooling or heating or
alarm 2 cooling alarm 3
relay relay relay
1 2 3 4 5 6 7 8 9 10 11
+ TC - +
bistable
N L (AC) Voltage Output
Power Supply Types R 1120-20
- + (DC)
Pt 100 / RTD 3 wire
It is not permitted to connect the grounds of the sensor- and bistable voltage outputs with each other.
Control output OUT 1:
2-point-controller: "Heating" e.g “Cooling“
3-point-controller (heating-off-cooling): “Heating“
Control- or alarm output OUT 2:
2-point-controller: "Alarm 2“
3-point-controller: “Cooling“
Alarm Output OUT 3: “Alarm 3“
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 3/16
ϧ
ϧ
5. Display and Keyboard
Display PROCESS : Process Value
Display SET : Setpoint Value
LED OUT 1: Output OUT1 active: Control Output
LED OUT 2: Output OUT2 active: Control Output or Alarm Output A2
LED OUT 3: Output OUT3 active: Alarm Output A3
LED EDIT : Edit mode active: Parameter values can be adjusted
All the operations in the controller are carried out using a special rotatable knob. This knob can be turned in
both directions and can also be pushed.
There are two types of knob (key) presses used:
Short press: With a short press it can be switched between parameter and edit mode.
Long press: This is used to switch between different operating levels. If the controller is in the edit mode,
other levels cannot be reached.
Parameter mode:
In the operating, parameter and configuration level (see operating levels), the parameter is selected by
turning the knob. In the basic level, only the parameter setpoint is available.
Edit mode:
From every parameter the edit mode is selected by a short press. In the edit mode, the parameter value can
be changed by turning the knob. The parameter is saved by a short press. Simultaneously, the edit mode is
cancelled.
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 4/16
Parameter mode:
Level 'x'
Turn knob to select parameter.
Edit mode:
Edit LED is active.
Turn knob to adjust value.
Short press
7. Configuration Level
Display Parameter Display
"Process" “Set“
C.Co Controller configuration 2 h 2-point-controller “heating“ (ex works)
2 c 2point-controller “cooling“
2nc 2point-controller “cooling“
with non-linear cooling
3 3-point controller "heating - off - cooling"
3nc 3-point controller "heating - off - cooling"
cooling mode with non-linear cooling*)
*) non-linear cooling:
Cooling action can be pre-selected with either linear or
non-linear cooling response curve ( e.g. for vapour cooling).
SEn Sensor selection P1C Pt 100, 0,0...99,9 °C
P1F Pt 100, 32...212 °F
P2C Pt 100, -100...+200°C
P2F Pt 100, -148...+392 °F
P4C Pt 100, 0...400 °C (ex works)
P4F Pt 100, 32...752 °F
P8C Pt 100, 0...800 °C
L4C T/C Fe-CuNi (L), 0...400 °C
L4F T/C Fe-CuNi (L), 32...752 °F
L8C T/C Fe-CuNi (L), 0...800 °C
J8C T/C Fe-CuNi (J), 0...800 °C
n1C T/C NiCr-Ni (K), 0...999 °C
If the Sensor selection is changed, the following parameters will be reset (setting in brackets)
and need to be readjusted:
The setpoint (OFF); the alarm value(s) (OFF); the process value offset (OFF);
the lower setpoint limitation (SP.L); the higher setpoint limitation (SP.H).
SP.H higher setpoint limitation
programming range: SP.L ... top range (ex works: 400)
SP.L lower setpoint limitation
programming range: bottom range ... SP.H (ex works: 0)
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 6/16
Display Parameter Display
"Process" “Set“
C.A3 Alarm 3-Configuration OFF alarm OFF, no alarm signalisation (ex works)
(OUT 3) 1 signal contact: off-on
2 limit contact: off-on
3 limit comparator: off-on-off
4 signal contact: on-off
5 limit contact: on-off
6 limit comparator: on-off-on
7 limit comp. with start-up suppression: off-on-off
The signal contact is adjusted and displayed The limit contact is adjusted and displayed
relative to the setpoint. as an absolute value.
Switching behaviour: Configuration: Switching behaviour: Configuration:
off on
1
off on
2
on off
4
on off
5
setpoint process process
The limit comparator is adjusted and The alarm relay of the limit comparator with
displayed relative to the setpoint. start-up suppression is activated when the
The selected value is effective below and above controller is first switched on. It is only de-
the setpoint. activated when the process value has been
within, and has left, the o.k.-zone.
Switching behaviour: Configuration: Switching behaviour: Configuration:
on
off on off
3
off on off
7
on off on
6
setpoint process setpoint process
on: Relay "activated"
off: Relay "not active"
Please note:
In case of sensor error the alarms will react in the same way as range override.
The alarm contacts therefore do not offer protection against all types of plant breakdown.
With this in mind, we recommend the use of a second, independent monitor unit.
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 7/16
limit range
signal value limit value
limit range
Display Parameter Display
"Process" “Set“
The alarm 2 can only be configured if the parameter “C.Co” was set to a two point controller.
C.A2 Alarm 2-Configuration OFF alarm OFF, no alarm signalisation (ex works)
(OUT 2) 1 signal contact: off-on
2 limit contact: off-on
3 limit comparator: off-on-off
4 signal contact: on-off
5 limit contact: on-off
6 limit comparator: on-off-on
7 limit comp. with start-up suppression: off-on-off
LOC Adjustment lock OFF no adjustment lock (ex works)
P C parameter and configuration levels locked
n.SP all parameters apart from SP locked (not SP)
ALL all parameters locked
All parameters that have been locked with ”LOC“ can be
selected and read, but not altered.
r 1 2
EL.x Control number Device R1120
HO- Select this parameter and press the knob to go back to the basic level.
-ME
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 8/16
8. Parameter Level
Display Parameter Display
"Process" “Set“
Y valid output ratio -99...100 %
The output ratio shows the momentary calculated ratio.
It cannot be altered. The display is in per cent of the installed
performance capability for heating or cooling.
Output ratio for cooling is shown as a negative value.
1LY OUT 1- output ratio limit 0...100 % (ex works: 100)
2LY OUT 2- output ratio limit 0...100 % (ex works: 100)
Only adjustable if a heating-off-cooling mode is programmed.
A limitation of the output ratio is only necessary when:
- the heating or cooling energy supply is grossly over-
dimensioned compared to the power required, or
- to turn off a control output (setting = 0 %).
Under normal circumstances no limitation is needed (setting = 0 %).
The limitation becomes effective when the controller's calculated
output ratio is greater than the maximum permissible (limited) ratio.
Warning!
The output ratio limitation does not work during auto-tune.
1 P OUT 1- Xp OFF; 0,1...99,9 % (ex works: 3,0)
prop. band (P) if Xp = OFF,
the next parameter to follow is “1Sd“ = control sensitivity OUT 1
1 d OUT 1- Tv OFF; 1...200 s (ex works: 30)
rate (D)
1 J OUT 1- Tn OFF; 1...999 s (ex works: 150)
reset (I) Normally the controller works using PD/I control action.
This means, controlling without deviation and with practically
no overshoot during start-up.
The control action can be altered in its structure by making the
following adjustments to the parameters:
a. no control action, on-off (setting P = OFF)
b. P-action (setting D and I = 0)
c. PD-action (setting I = 0)
d. PI-action (setting D = 0)
e. PD/I modified PID-action
1CY OUT 1- cycle time 0,5...99,9 s (ex works: 15,0)
The switching frequency of the actuator can be determined
by adjusting the cycle time. This is the total time needed for the
controller to switch on and off once.
a) Relay outputs: cycle time > 10 s
b) Bistable voltage outputs: cycle time 0,5...10 s
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 9/16
Display Parameter Display
"Process" “Set“
Only if 1 P = OUT1 - Xp = OFF :
1Sd control sensitivity OUT1: OFF; 0,1...80,0 °C/°F (ex works: 0,1)
Sd = 10,0
on
off
-5,0 +5,0
Setpoint Process
The following parameters apply only to the configuration of a heating-off-cooling controller:
Sh switch-point difference OFF; 0,1...80,0 °C/°F (ex works: OFF)
This parameter raises the setpoint (switch-point) for cooling output
by the displayed value. It can be helpful to reduce the switching
frequency between the heating and cooling outputs if this is too
high.
Simultaneous activation of heat and cool outputs is not possible.
2 P OUT 2- Xp cooling OFF; 0,1...99,9 % (ex works: 6,0)
prop.-band (P) if Xp = OFF,
the next parameter to follow is “2Sd“ = control sensitivity OUT 2
2 d OUT 2- Tv cooling OFF; 1...200 s (ex works: 150)
rate (D)
2 J OUT 2- Tn cooling OFF; 1...999 s (ex works: 15,0)
reset (I)
2CY OUT 2- cycle time
cooling 0,5...99,9 s (ex works: 15,0)
Only if 2 P = OUT2 (cooling) - XP = OFF :
2Sd control sensitivity OUT2 OFF; 0,1...80,0 °C/°F (ex works: 0,1)
Manual R1120-X0-00-X_EN Release: 1.04 © Elotech GmbH Page 10/16
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