BEKA BA678C Скачать руководство пользователя страница 14 | Manualshive

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BEKA BA678C Скачать руководство пользователя страница 14

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Содержание BA678C

Страница 1: ...Issue 9 4th July 2019 BA678C Panel mounting indicating temperature transmitter Issue 9...

Страница 2: ...BLANK PAGE 2...

Страница 3: ...ermometer type r tYPE 6 1 13 Decimal point position dP 6 1 14 Lower input display in Lo 6 1 15 Higher input display in Hi 6 3 Configuration defaults 7 Configuration example 8 Maintenance 8 1 Fault fin...

Страница 4: ...diagram of the BA678C Indicating Temperature Transmitter The input which may be from a resistance thermometer thermocouple or a dc voltage or resistance is digitised and transferred to the instrument...

Страница 5: ...the sum of the voltage drops caused by the transmitter load and the cable resistance is less than the minimum supply voltage For the transmitter loop shown in Fig 2 Minimum operating voltage of BA678...

Страница 6: ...at an ambient temperature between 20 C and 70 C Please consult BEKA associates if high vibration is anticipated Fig 3 shows the overall dimensions of the BA678C and the panel cut out To achieve an IP6...

Страница 7: ...tion and custom linearisation to be performed Details of the HART communication are contained in the BA47X 67X Indicating Temperature Transmitter HART Interface Guide which may be downloaded from www...

Страница 8: ...smitter input Selects one of the following inputs Thermocouple tHC 3 wire RTD 3rtd 4 wire RTD 4rtd Differential RTD d_rtd Voltage Volt 3 wire resistance 3rES 4 wire resistance 4rES See section 6 2 1 T...

Страница 9: ...Access code for configuration menu Enters four digit configuration menu access code Default code 0000 disables this function See section 6 2 9 For Voltage and Resistance Inputs see Fig 7 Transmitter...

Страница 10: ...e has been selected press E to enter the selection and return to the t tYPE prompt in the configuration menu 6 2 3 Units of digital display dEG The transmitter digital display may be in one of four un...

Страница 11: ...play the ZEro function in the sub menu pressing P again will reveal the existing transmitter input at which the transmitter output current is 4mA Input is shown in units which depend upon how the tran...

Страница 12: ...will return control to one of the digits 6 2 9 Access code for configuration menu CodE Access to the configuration menu may be protected by a four digit security code which must be entered to gain ac...

Страница 13: ...d using either the or button Pressing the P button again will return control to one of the digits 6 2 13 Higher input display in Hi This function which only appears in the menu when the transmitter is...

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Страница 17: ...site Function Factory default Transmitter input InPut 3 wire RTD Sensor type t tYPE Pt100 Units of digital display dEG C Display resolution rESn Low Sensor fault FAuLt Off 4 20mA output CAL 0 0 to 10...

Страница 18: ...to enter the selection and return to the InPut prompt in the configuration menu Step 2 Select resistance thermometer type See Fig 6 and section 6 2 10 Using the or button select the r tYPE prompt fro...

Страница 19: ...eveal the existing bargraph justification Using the or button scroll through the options and select LEFt which will start the bargraph on the left hand side of the display Press E to enter the selecti...

Страница 20: ...e digital display Bargraph is over or under range with scale flashing bargraph displaying all or just one segment Input is outside specified range for bargraph Reconfigure bargraph display Digital dis...

Страница 21: ...e fitted with a blank escutcheon around the liquid crystal display If specified when the instrument is ordered this can be supplied printed with units of measurement and a scale for the horizontal bar...

Страница 22: ...ing Temperature Transmitter HART Interface Guide which may be downloaded from www beka co uk manuals for details Alternatively configuration may be performed using the configuration menu which is acce...

Страница 23: ...high or low function See section 9 3 6 no nC Normally open or normally closed output Determines whether the single pole alarm output is open or closed in the non alarm condition See section 9 3 7 HSt...

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Страница 25: ...al the current setting The function may be changed by pressing the or button pressing the E button will enter the setting and return the display to the Hi Lo prompt in the alarm menu 9 3 7 Alarm outpu...

Страница 26: ...ed 9 3 11 Access Setpoint ACSP This function controls a separate menu that provides direct access to the alarm setpoints when the BA678C transmitter is in the operational mode The function enables an...

Страница 27: ...be displayed Pressing the or button will toggle between the two alarm setpoint prompts SP1 and SP2 If an incorrect security code is entered or a button is not pressed within ten seconds the transmitt...

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