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Control mode 

 

akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de  

22

 

22

 

7 

Control mode 

►

 

NOTICE 

Before starting 
Before switching on, make sure that the device was stored at the specified ambi-
ent temperature (+1... +50 °C) for at least 30 minutes. 

 
The Control mode is activated in 1-2 sec after powering up. In this mode the main func-
tions can be executed (see 1.1). The firmware version of the device and the number of 
erroneous channel (if exists) are briefly displayed on the Z1 display. Then the measured 
value of the current channel is displayed. The functions of displays are described in the 
Table 5.1. 

The output state of the control channel is changed in accordance with the set parameters. 
If the connected output is on, the LED OUT1 lights and the channel number is displayed 
on Z4. 

The setpoint 

C.SP

 can be changed by user during operation within the range 

±

C.SP.o

 

(PL-2 group). If 

C.SP

 

is set to 150°C and 

C.SP.o

 

is set to 50°C, the user can change the 

setpoint from 100°C to 200°C without using the Configuration mode. Press 

 to activate 

the manual setpoint correction when the channel is displayed. Blinking of Z2 indicates 
that the manual setpoint correction is active. 

Press 

 to increase and 

 decrease the least digit of the setpoint value by 1. Holding 

one of this buttons for more than 3 sec activates the ramp function. Press 

 to save the 

new setpoint. Z2 stops blinking if the saving is successful. New setpoint value will be 
used immediately after saving to non-volatile memory. 

Each control channel can be switched to manual control by function keys if the parameter 

bL.Ar

 (PL-0) 

“Manual mode lock” is set to OFF. 

To activate manual control press 

. When it is active, Z4 is blinking and the output re-

tains its state. Press 

 or 

 to switch on or off, LED OUT1 will indicate the output 

state. 

 

►

 NOTICE 

While the channel is in manual control mode, every command will be implemented 
immediately, independently from logic unit status, until the mode is cancelled. 

Press 

 or 

 to cancel manual control. 

 

►

 NOTICE 

Manual control cannot be fully realized if in the configuration one output is con-
nected to several LU. In this case each LU can switch the output. Manually disa-
bled output will be immediately enabled by another 

“busy” LU. 

 

7.1 

Alarm 

7.1.1 

Sensor error 

The device monitors the integrity of the transmitters connected to the inputs and indicates 
a sensor error. 

7.1.2 

Loop Break Alarm (LBA) 

The loop break alarm is only available if the Logic unit function (parameter 

AL.t

, PL-2) is 

set to 1 or 2 (Heating or Cooling). 

With a loop break alarm, there is assumed to be an error in the control loop if the control 
deviation is not reduced by at least the value set in the 

“LBA detection band” (

C.LbA

,

 

PL-

Содержание TRM138

Страница 1: ...hrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de TRM138 8 channel on off controller User guide TRM138_2016 12_0218_EN All rights reserved Subject to technical changes...

Страница 2: ...gnals 10 4 4 2 Resistance thermometer RTD 11 4 4 3 Thermocouples TC 11 4 5 Outputs 11 4 5 1 Relay outputs R 11 4 5 2 NPN transistor T 11 4 5 3 Solid state relay S 12 4 5 4 Analog 4 20 mA I 12 4 5 5 An...

Страница 3: ...Break Alarm LBA 22 7 1 3 Alarm handling 23 7 1 4 Alarm output 23 7 1 5 Warning indication 23 8 Configuration 24 9 TRM138 Configurator 28 10 Maintenance 29 11 Transportation and storage 30 12 Scope of...

Страница 4: ...over PC using RS485 interface operating with akYtec Modbus RTU and Modbus ASCII protocols in a Slave mode saving the set programmable parameters to non volatile memory in case of pow er outage config...

Страница 5: ...ered in different variants depending on the required output type Output type 1 8 R Relay I 4 20 mA S Solid state relay T NPN transistor U 0 10 V outputs 5 8 only Various types of outputs should be ind...

Страница 6: ...50 g Table 2 2 Standard input signals Signal type Measurement range Accuracy 0 1 V 0 100 0 25 50 50 mV 0 100 0 5 mA 0 100 0 20 mA 0 100 4 20 mA 0 100 Table 2 3 Temperature sensors Signal type Measurem...

Страница 7: ...5 30 V min 2 kohm 2 1 Environmental conditions The device is designed for natural convection cooling It should be taken into account when choosing the installation site The following environment condi...

Страница 8: ...indicates a potentially harmful situation which if not avoided may result in damage of the product itself or of adjacent objects 3 1 Intended use The device has been designed and built solely for the...

Страница 9: ...e 4 fastening clips into the slots on the top and the bottom of the device insert the screws and tighten them to fix the device 4 3 Wiring DANGER Dangerous voltage Electric shock could kill or serious...

Страница 10: ...tput 2 3 21 not connected 39 Input 4 2 4 Output 2 2 22 not connected 40 Input 3 2 5 Output 3 3 23 Power supply N 41 Input 4 1 6 Output 3 2 24 Power supply L 42 Input 3 1 7 Output 4 3 25 Input 8 3 43 I...

Страница 11: ...l length and cross section 2 or 3 wire TC 20 m Compensation cable Standard signal current or voltage 100 m 100 ohm 2 wire Fig 4 2 Input connections 4 4 1 Current voltage signals Fig 4 3 4 20 mA sensor...

Страница 12: ...CJC is provided Fig 4 8 TC sensor wiring 4 5 Outputs Optional outputs see Table 2 4 Relay NPN transistor Solid state relay Analog 4 20 mA Analog 0 10 V 4 5 1 Relay outputs R Fig 4 9 Relay output Q1 Q...

Страница 13: ...alog 4 20 mA I An external voltage source for analog outputs is required The voltage is calculated as follows Umin U Umax Umin 10 V 0 02 A x R Umax Umin 2 5 V where Umin Umax minimum and maximum permi...

Страница 14: ...13 4 5 5 Analog 0 10 V U An external voltage source for analog outputs is required NOTICE If an external voltage source is used the voltage must not exceed 30 V The output is designed for minimal load...

Страница 15: ...wo display modes Manual displayed channel can be selected via the function keys the corresponding LED from the group CHANNELS lights Cyclic channels are displayed in a loop the period ind t can be set...

Страница 16: ...current channel is ON for digital outputs only STOP lights Manual display mode Table 5 3 Function keys Key Description Select the current channel for display or Manual Output Control Switch to Config...

Страница 17: ...is selected in the parameter in t PL 1 group The input is excluded from the list if the parameter in t is set to OFF The order and the rate of sampling for each input are defined by priority which can...

Страница 18: ...e result was caused by a fault the sec ond measurement confirms this and the first measurement value is ignored as an error If the bandwidth is set to 0 the comparator is switched off Damping is used...

Страница 19: ...for each input Each logic unit can be connected to one of 8 outputs specified in the parameter C dr PL 2 group for this LU for example see Table B 1 PL 3 group Standard configura tions Don t forget th...

Страница 20: ...he valid range when starting control To use the option set the parameter bL St PL 2 group to ON Output time diagrams for this option are shown in Fig 6 9 Fig 6 9 Option Ignore alarm on start 2 The par...

Страница 21: ...m on off state duration 6 7 2 Retransmission mode In the Retransmission mode the logic unit converts the input signal into proportional out put signal The conversion is made using the lower and upper...

Страница 22: ...ed out by the manufacturer Contact the Technical Support of akYtec GmbH for further details 6 9 Modbus communication The protocols Modbus RTU ASCII are supported The device operates only as a Slave Op...

Страница 23: ...f the setpoint value by 1 Holding one of this buttons for more than 3 sec activates the ramp function Press to save the new setpoint Z2 stops blinking if the saving is successful New setpoint value wi...

Страница 24: ...ter AL dr PL 0 If an alarm or an error occurs the alarm output is set to the Alarm output state ON OFF defined in the parameter AL St PL 0 for the time defined in the Alarm dura tion parameter ALHd PL...

Страница 25: ...s RS485 communication and access protection The parameters are described in the Table B 1 The parameters are divided into five groups PL 0 PL 4 see Fig 8 1 Fig 8 1 Groups of parameters To enter the sy...

Страница 26: ...16 59 672 0 www akytec de 25 PL 0 parameter group Basic parameters Displays Z1 parameter value Z4 parameter No see Table B 1 Fig 8 3 PL 0 Basic parameters group PL 1 parameter group Inputs Displays Z1...

Страница 27: ...l channels Displays Z1 parameter value Z2 logic unit list CPR1 CPR8 LU1 LU8 Z3 selected logic unit C1 C8 LU1 LU8 Z4 parameter No see Table B 1 Fig 8 5 PL 2 Control channels group PL 3 parameter group...

Страница 28: ...Configuration akYtec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de 27 Z4 parameter No see Table B 1 Fig 8 7 PL 4 Network group...

Страница 29: ...nstall the configuration software TRM138 Configurator on the PC connect the device to the USB interface of the PC over USB RS485 adapter not included connect the power supply to the terminals L N turn...

Страница 30: ...ng of the housing and terminal blocks from dust dirt and debris checking the fastening of the device checking the wiring connecting leads fastenings mechanical damage The device should be cleaned with...

Страница 31: ...vides optimum protection If the device is not taken immediately after delivery into operation it must be carefully stored at a protected location The device should not be stored in an atmosphere with...

Страница 32: ...ry akYtec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de 31 12 Scope of delivery TRM138 1 Short guide 1 Mounting kit 1 Gasket 1 USB stick with software and d...

Страница 33: ...Appendix A Dimensions akYtec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de 32 Appendix A Dimensions Fig A 1 External and mounting dimensions...

Страница 34: ...indication after restart ON OFF 7 AL dr Alarm output 0 8 8 ALHd Alarm duration s 1 600 9 AL St Alarm output state ON OFF 10 Cj C Cold junction compensation CJC ON OFF 11 SYSt System error indication...

Страница 35: ...ON state minimum duration 0 9000 5 Ht oF OFF state minimum dura tion 0 9000 6 dL on Turn on delay 0 3600 7 dL oF Turn off delay 0 3600 8 bL St Ignore alarm on start ON OFF 9 AL t Logic unit function...

Страница 36: ...ransmission upper limit 999 9999 15 C dr Output No 0 8 16 C Lbt LBA detection time s 0 9000 17 C LbA LBA detection band 0 001 100 18 AL oU Warning indicator ON OFF PL 3 Standard configurations 1 Pr1 R...

Страница 37: ...1 bPS Baud rate kbit s 0 2 4 1 4 8 2 9 6 3 14 4 4 19 2 5 28 8 6 38 4 7 57 6 8 115 2 2 LEn Data bits 0 7 1 8 3 PrtY Parity 0 none 1 even 2 odd 4 Sbit Stop bits 0 1 1 2 5 A Len Address bits 0 8 1 11 6...

Страница 38: ...uration parameters akYtec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de 37 Invalid network parameter combinations prty 0 sbit 0 len 0 prty 1 sbit 1 len 1 pr...

Страница 39: ...NT16 0x0005 Value UINT16 0x0006 Value big endian REAL32 0x0008 0x0009 CH8 Input value Decimal point UINT16 0x0023 Value UINT16 0x0024 Value big endian REAL32 0x0026 0x0027 CH1 LU input value Decimal p...

Страница 40: ...nt UINT16 0x002e Value UINT16 0x002f CH1 Hysteresis Decimal point UINT16 0x0030 Value UINT16 0x0031 CH2 Hysteresis Decimal point UINT16 0x0032 Value UINT16 0x0033 CH8 Hysteresis Decimal point UINT16 0...

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