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Key

Display

Parameter

Parameter values
underlined or FS = Factory Setting

change

defines the number of decimal points

0

No decimal places

1

One decimal place

2

Two decimal places (only when

= 10)

3

Three decimal places (only when

= 10)

,

defines the control action for the output

0

direct (cool)

1

inverse (heat)

,

defines the reaction in case of sensor break

Output

Alarm

0

Off

Off

1

Off

On

2

On

Off

3

On

On

,

defines the hysteresis for On/Off control

0...0.5...20 % of the measuring range

,

defines the lower-range value (low limit)

depends on the sensor

FS depends on the sensor

,

defines the upper-range value (high limit)

depends on the sensor

FS depends on the sensor

,

or

PV

return to the main operator level

or to 2. menu level

for at
least 6 s

lower calibration point for recalibration

depends on the sensor

FS depends on sensor

,

upper calibration point for recalibration

depends on sensor

FS depends on sensor

,

return to the main operator level

Parameter definition

11

Summary of Contents for CM 16

Page 1: ...CM 16 Temperature controllers with compact dimensions Manual 42 61 72 EN Rev 01 ...

Page 2: ...sary qualifications are allowed to work on the controller Please take note of the contents of this Operating Manual the safety regulations affixed to the controller and the safety regulations pertaining to the installation and operation of electrical systems The directives norms and guidelines mentioned in this Operating Manual are applicable in the Federal Republic of Germany When using the contr...

Page 3: ...f output 0 4 20 mA or relay output Alarm output always available 2 Selecting the installation site and mounting the unit Fig 1 Dimensional diagram Z 18799 left Panel cutout right Depth behind panel 1 Panel Caution To maintain protection against shocks the device may only be operated when fully installed The controller is designed for front panel mounting in machines devices control cabinets and co...

Page 4: ...ting the power supply see fig 2 Caution When selecting the lead material as well as when installing and connecting the power leads the local specifications for installation of power current systems are to be observed Note The controllers are fully insulated according to protection class category II There is no grounding conductor to connect 1 Install an external mains isolator which completely dis...

Page 5: ...al to Automatic if pressed for at least 6 s starts selftune switches the lower display from setpoint to per centage value of output 1 if pressed for at least 6 s switches over to manu al operation mode Display In the standard mode the process variable is indicated in the up per display In the lower display the setpoint or after pressing the percentage value ot the output is indicated The setpoint ...

Page 6: ...Parameter definition Parameter definition principle Fig 4 Flow diagram Z 18796 6 Parameter definition ...

Page 7: ...he next parameter etc up to the last parameter of the first menu level 10 Either return to the main operator level or proceed further to the second menu level for at least 6 s 11 Change parameter 12 Display the next parameter 13 Change parameter etc up to the last parameter of the second menu level 14 Either return to the main operator level or proceed further to the third menu level for at least ...

Page 8: ... or 13 FS 200 C defines the setpoint ramp rate to allow the process to reach the new setpoint via a linear ramp after setpoint change 0 200 C min 360 F min if 0 to 9 0 3600 digit min if 10 defines the offset value for manual reset operating point if 0 i e the output signal of the controller is shifted by Notice This parameter is only required when the controller does not use any integral component...

Page 9: ...has decisive effects on the control action A too small derivative time ini tially produces drastic overhooting whereas a too big value produces oscillations and even destabilisation of the entire control process 0 30 1000 s PV back to the main operator level or to 1 menu level for at least 6 s determines if the keys are disabled for making modifications on parameter values Notice The keyboard is d...

Page 10: ... 8 mA 10 defines alarm mode of the alarm see also section on Alarms 0 overshooting of the alarm value 1 undershooting of alarm value 2 overshooting of SP 3 undershooting of 4 like 0 however with suppression of the initial alarm 5 like 1 however with suppression of the initial alarm 6 like 2 however with suppression of the initial alarm 7 like 3 however with suppression of the initial alarm 8 leavi...

Page 11: ...f On 2 On Off 3 On On defines the hysteresis for On Off control 0 0 5 20 of the measuring range defines the lower range value low limit depends on the sensor FS depends on the sensor defines the upper range value high limit depends on the sensor FS depends on the sensor or PV return to the main operator level or to 2 menu level for at least 6 s lower calibration point for recalibration depends on ...

Page 12: ...manually opti mise the parameters Remarks Since the control parameters and are not independent of each other only one parameter should be changed in small steps at a time whilst observing the control action before making any further changes Tab 1 Control Control action Remedy Proportional component too slow reaction drastic overshooting oscil lation decrease Pb increase Pb Integral component too s...

Page 13: ...tage the time function of the alarm relay is activated The timer starts when the process vari able has reached the setpoint After the run out of the preset time the alram relay is switched on 13 in order to send a signal or switch on a device Alternatively the alram relay is switched off 12 after the run out of time in order to switch off a device e g even the power supply of the controller itself...

Page 14: ...pper calibration value on the 3rd menu level see Section on Parameter definition 9 Generate a calibration signal which corresponds to the upper calibration value e g 46 mV for 800 C 10 Adjust the displayed value with and until this corresponds to the calibration value 11 For at least 6 s press to store this value 12 Return to the standard level with 13 Switch off the power supply 14 Instead of the...

Page 15: ...still be charged even if the instrument has been disconnected from all voltage sources Only fuses of the specified type and rated current may be used as replacements Makeshift fuses may not be used The fuse holder may not be short circuited Whenever it is likely that protection has been impaired the instrument shall be made inoperative and be secured against any unintended operation It must be ass...

Page 16: ...ed operation It must be assumed that the protection has been impaired when the instrument has visible signs of damage the instrument no longer functions the instrument has been stored in unfavorable conditions for a long time the instrument has been subjected to adverse transport conditions Changing the measuring input Bild 8 R1 resistor Z 18827 G2 soldered jumper G5 soldered jumper If the control...

Page 17: ...ion of the con troller parameters which have the effect of optimising and stabi lising the control action even outside the stationary condition e g during big setpoint jumps The alarm function is selectable Apart from the minimum or ma ximum value monitoring of the process variable or of the control deviation it can also be used as a time relay Additonally a fur ther function such as ramp rate can...

Page 18: ...ous output 0 4 20 mA maximum load 500 Ω Display Process variable 4 digit red LED Setpoint 4 digit green LED Green or red status LED for control or alarm relays Power supply 90 264 V AC 50 60 Hz or 24 V UC 20 32 V AC DC Power consumption 5 VA Housing Front 48 48 mm Panel cutout 45 45 mm Installation depth 86 mm Mass 170 g Type of protection Front IP 54 Electrical connection with screw terminals IP ...

Page 19: ...amount of cushioning must be adapted to the weight of the unit and to the mode of transport The crate must be labelled Fragile For overseas shipment the unit must additionally be sealed airtight in 0 2 mm thick polyethylene together with a dessicant e g silica gel The quantity of the desiccant must correspond to the packing volume and the probable duration of transportation at least 3 months Furth...

Page 20: ...ubject to technical changes This technical documentation is protected by copyright Translating photocopying and diseminating it in any form whatsoever even editings or excerpts thereof especially as reprint photomechanical or electronic reproduction or storage on data processing systems or networks is not allowed without the permission of the copyright owner and non compliance will lead to both ci...

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