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DIQ/S 281

Contents

ba77244e01

08/2020

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1

Structure and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.2

USB interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3

Behavior of the system to a power failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1

Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1.1

Safety information in the operating manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.2

Safety signs on the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.3

Further documents providing safety information

. . . . . . . . . . . . . . . . . . . . . . . 10

2.2

Safe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.1

Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2.2

Requirements for safe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2.3

Unauthorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3

User qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.1

Scopes of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.2

Basic principles of installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2.1

Requirements of the measurement location . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.3

Safety requirements of the electrical installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4

Installation guidelines for lightning protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.5

Connecting the sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.5.1

IQ sensor with SNCIQ cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.5.2

IQ sensor with permanently mounted cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.6

On-site mounting of the DIQ/S 28X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.6.1

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.6.2

Mounting on a mounting stand with the SSH/IQ sun shield . . . . . . . . . . . . . . . . . 20

3.6.3

Mounting under the SD/K 170 sun shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.6.4

Top hat rail mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.6.5

Panel mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.7

Electrical connections: General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.8

Connecting the voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.8.1

DIQ/S 28X-CR2 (mains power version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.8.2

DIQ/S 28X-CR2/24V (24 V version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.9

Connections to the relay and current outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.9.1

General installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.9.2

Usage of the auxiliary voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.10 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.11 Installation examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3.11.1 Connection of a sensor without compressed air cleaning . . . . . . . . . . . . . . . . . . 40

Содержание WTW DIQ/S 281

Страница 1: ...OPERATING MANUAL ba77244e01 08 2020 DIQ S 281 UNIVERSAL TRANSMITTER FOR ONE DIGITAL SENSOR UN IVER SA L TR AN SM ITT ER DIQ S 281...

Страница 3: ...ical installation 12 3 4 Installation guidelines for lightning protection 13 3 5 Connecting the sensor 15 3 5 1 IQ sensor with SNCIQ cable 15 3 5 2 IQ sensor with permanently mounted cable 17 3 6 On s...

Страница 4: ...bration entries in the log book 58 4 6 2 Calibration history 59 4 7 Status info of sensors and outputs 59 4 8 General course when calibrating cleaning servicing or repairing an IQ sensor 60 4 8 1 Main...

Страница 5: ...sor monitoring 97 6 6 4 Limit indicator 98 6 6 5 Frequency controller 98 6 6 6 Pulse width output 100 6 6 7 Cleaning 100 6 6 8 Manual control 104 6 6 9 Alarm contact 104 6 7 Setting the current output...

Страница 6: ...DIQ JB 122 9 3 DIQ CHV 123 9 4 Space required by mounted components 124 10 Accessories and options 125 11 Messages 126 11 1 Explanation of the message codes 126 11 1 1 Error messages 126 11 1 2 Infor...

Страница 7: ...ed outputs can be used to monitor sensors and for the output of measured values A relay output can be programmed as Monitoring relay Limit monitor Proportional output of measured values pulse width or...

Страница 8: ...nic key for sim ple access to the system when access control is switched on see section 5 3 3 Connection of a USB hub for the reproduction of the USB interface Note The USB interface is designed for U...

Страница 9: ...non active condition open Current outputs switch to the non active condition 0 mA A restart is carried out automatically when the power returns The continues working with the settings of the time prio...

Страница 10: ...n where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the product Note all labels information signs and safety symbols on the product A warning symbol triangle wi...

Страница 11: ...opened if this is explicitly described in this operating manual example connecting electrical lines to the terminal strip 2 2 3 Unauthorized use The product must not be put into operation if it is vis...

Страница 12: ...nce may only be carried out under controlled environmental conditions 3 3 Safety requirements of the electrical installation Electrical equipment such as motors contactors cables lines relays switches...

Страница 13: ...ges an inte grated concept of the following protective measures is required internal device related protective measures and external protective measures of the installation environment The internal de...

Страница 14: ...d a surge protection system for the plant 6 One part of the safety and lightning protection concept is based on the high grade protective insulation of the DIQ S 28X It does not have or require any pr...

Страница 15: ...eater than 60 V The free end of the sensor cable was stripped in the factory and all the wires are fitted with wire end sleeves Tools Phillips screwdriver Small screwdriver 3 5 1 IQ sensor with SNCIQ...

Страница 16: ...figure 3 1 with the sealing pos 2 into the housing at the mounting position for the SENSORNET connection see label on the bottom of the housing 3 Loosen the cap nut pos 3 in figure 3 1 4 Feed the sens...

Страница 17: ...to the terminal strip At the same time look out for the designations of the terminals red shield green 6 Tighten the cap nut pos 3 in figure 3 1 7 Close the enclosure The complete assignment of the t...

Страница 18: ...s 1 in figure 3 1 with the sealing pos 2 into the housing at the mounting position for the SENSORNET connection see label on the bottom of the housing 3 Loosen the cap nut pos 3 in figure 3 1 4 Feed t...

Страница 19: ...hield against the effects of the weather snow ice and direct solar radiation Otherwise mal 5 Connect the cable ends to the terminal strip When doing so look out for the designations of the terminals w...

Страница 20: ...shield can be mounted to round or square section pipes e g rails with the aid of the MR SD 170 mounting kit section 3 6 3 Wall mounting The universal transmitter is permanently fixed to a wall For wal...

Страница 21: ...lind nuts 1 Screw the sun shield pos 1 in figure 3 5 with the four hexsocket head screws pos 2 the washers pos 3 and the clamps pos 4 at the required height on the mounting stand from the back 2 3 4 1...

Страница 22: ...Materials required SD K 170 sun shield see chapter 10 ACCESSORIES AND OPTIONS The MR SD 170 mounting kit is also required for mounting the sun shield on a mounting stand or railing see chapter 10 ACCE...

Страница 23: ...THS IQ kit for top hat rail mounting see chapter 10 ACCESSORIES AND OPTIONS Tools Phillips screwdriver 1 Remove the two countersunk screws pos 1 in figure 3 8 and swing open the module lid 2 Position...

Страница 24: ...e 3 9 on the back of the universal transmitter with the two plastic tapping screws pos 2 2 Attach the universal transmitter to the top hat rail from above using the clamping assembly and press against...

Страница 25: ...mounting set is described below Materials required PMS IQ kit for panel mounting see chapter 10 ACCESSORIES AND OPTIONS Tools 3 mm set screw wrench contained in the panel installation kit Switch pane...

Страница 26: ...re from the front 2 Slightly unscrew the bolts pos 2 and 3 of the two angle brackets pos 1 in figure 3 11 but do not remove them 3 Push in the two angle brackets as shown in figure 3 11 into the later...

Страница 27: ...mping range 4 5 to 10 mm This cable gland is suitable for all cables earth cable after stripping the outer insulation see section 3 6 and sensor connection cables Large clamping range 7 to 13 mm This...

Страница 28: ...enclosure must be cut off as closely as possible to the cable gland Screw a small cable gland with sealing ring into each remaining free opening and close it with a blind plug 3 8 Connecting the volta...

Страница 29: ...to the power supply may only be carried out when it is not carrying any voltage The power supply must fulfill the specifications given on the nameplate and in chapter 9 TECHNICAL DATA When installed i...

Страница 30: ...e approx 45 mm L N cut ground wire here 5 On the left hand side of the DIQ S 28X remove the two countersunk screws and open the enclosure 6 Screw a cable gland pos 1 in figure 3 13 with sealing ring p...

Страница 31: ...h the specification on the terminal label under the terminal strip 10 Tighten the cap nut pos 3 in figure 3 13 WARNING No free wires are allowed to project into the housing Oth erwise there is a dange...

Страница 32: ...ecifications quoted on the name plate and in chapter 9 TECHNICAL DATA protective low voltage SELV The connection of the DIQ S 28X universal transmitter to the power supply may only be carried out when...

Страница 33: ...the left hand side of the DIQ S 28X remove the two countersunk screws and open the enclosure 5 Screw a cable gland pos 1 in figure 3 16 with sealing ring pos 2 into the enclosure below the 24 V AC DC...

Страница 34: ...y wires that are not in use as closely as possible to the cable gland The complete assignment of the terminal strip is shown in section 3 12 8 Connect wires 1 and 2 to the terminal strip Make sure tha...

Страница 35: ...bject to the danger of physical contact may only be connected by a qualified electri cian Electrical circuits subject to the danger of physical contact may only be connected when they are voltage free...

Страница 36: ...the terminal strip is shown in section 3 12 2 Screw a cable gland pos 1 in figure 3 18 with the sealing ring pos 2 into the enclosure below the respective connections 3 Loosen the coupling ring pos 3...

Страница 37: ...dule The auxiliary voltage must not be used for other purposes Connection scheme for one sensor with compressed air cleaning Run the bridge below the divider so the bridge does not bump against the ci...

Страница 38: ...not yet providing any measurement values Init appears temporarily Relais contact Bridge Auxiliary voltage output Valve control line Separating plate Start checklist 1 Are all components correctly conn...

Страница 39: ...s process can take several seconds During this period the following display appears figure 3 19Display during the initialization process Second start phase As soon as the Universal Transmitter is succ...

Страница 40: ...gth SNCIQ UG plus SACIQ 250 m 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SNCIQ UG SNCIQ UG SACIQ Sensor 1 Sensor 1 SACIQ DIQ JB DIQ S 281 24V DIQ S 281 24V S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL TRANSMITTE...

Страница 41: ...tch SELV voltages only DIQ CHV DIQ JB SNCIQ UG SACIQ Valve control line Air Sensor Maximum total cable length SNCIQ UG plus SACIQ 250 m DIQ S 281 24V S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL T...

Страница 42: ...X10 X1 Terminal strip DIQ S 28X Terminal strip DIQ CHV R1 HILFS SPANNUNG AUXILIARY VOLTAGE VENTIL VALVE VERTEILER DISTRUBUTION R2 R3 Valve control line X1 X4 X2 X5 X3 X6 X7 SNCIQ UG green Shield fill...

Страница 43: ...cable length SNCIQ UG plus SACIQ 250 m 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SNCIQ UG SNCIQ UG DIQ S 281 24V SACIQ DIQ S 281 Sensor SACIQ DIQ JB S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL TRANSMITTER DIQ...

Страница 44: ...Y VOLTAGE 0 4 20mA REC C2 X5 X4 0 4 20mA REC C1 X15 X13 X14 X12 R2 R1 240V AC 2A AC 240V AC 2A AC SENSORNET 1 ROT RED SCHIRM SHIELD GR N GREEN X3 X2 X11 X15 X13 X7 X1 X10 X14 X12 X6 AUXILIARY R2 R1 24...

Страница 45: ...tation of current measured values the graph of measured values status displays and message texts The 5 keys M C S ESC OK and the arrow keys are used to operate the DIQ S 28X Universal Transmitter figu...

Страница 46: ...uires immediate action see section 4 5 3 6 Info symbol i If the info symbol flashes new or unacknowledged information is present in the log book see section 4 5 3 7 Display range for measured values m...

Страница 47: ...t 4 Series number of the sensor 5 Unit and parameter of the main measured value 6 User right details see above 1 2 3 4 5 6 Init Sensor is being initialized during commissioning or if a new IQ sensor i...

Страница 48: ...o the next higher level with the ESC key Start a calibration procedure with the C key Switch to the settings with the S key Change to the measured value display and break off current actions with the...

Страница 49: ...ttings menu with S Menus appear in the form of a list on the display e g the Einstellungen Settings menu shown here figure 4 4 Einstellungen Settings 2 Select a menu item e g System settings with Move...

Страница 50: ...dit list of outputs menu item with 3 Confirm the Edit list of outputs menu item with OK The Edit list of outputs display opens A column is highlighted 4 Select the Name column with 5 Confirm the Name...

Страница 51: ...4 6 Edit list of outputs The following letters numerals and special characters can be entered AaBb Zz0 9 _ 8 Select a letter or numeral with 9 Confirm the letter with OK The character p appears behind...

Страница 52: ...firm with OK 11 Repeat steps 8 to 10 until the whole name has been entered You can break off entering the name with ESC The old name is retained Access control is switched off in the delivery conditio...

Страница 53: ...ng information symbol or error symbol on the display All messages are recorded in the log book 4 5 1 Message types The system differentiates two types of messages Error h Indicates a critical status i...

Страница 54: ...all detailed message texts in the log book have been opened and marked with a checkmark see section 4 5 3 Structure of the log book In the case of errors immediately open the detailed message text in...

Страница 55: ...racters and can contain numerals and let ters e g II21171 Category Component code I 2 171 I Type number Type Posi tion Information Explanation 1 3 Short message form The short form of the message cont...

Страница 56: ...ailed message texts can also be found in the component operating manuals of the individual components The log book shows the current status at the point of time it was opened If new messages arrive wh...

Страница 57: ...dule 4 5 4 Acknowledge all messages figure 4 10 Log book of entire system 5 Acknowledge the message with OK A checkmark appears in the log book entry 6 Exit the message text with ESC Acknowledgment of...

Страница 58: ...ibration history see section 4 6 2 2 Open the Einstellungen Settings menu with S 3 Using select the menu item Service and confirm with OK 4 Using select the menu item Acknowledge all messages and conf...

Страница 59: ...rm with OK The Display Options menu opens 3 Using highlight the menu item Calibration history of sensor and confirm with OK The calibration history with the results of the last calibration procedures...

Страница 60: ...nsor linked outputs are frozen IQ sensor errors do not prompt changes in the conditions of linked outputs The maintenance condition for IQ sensors is automatically activated during calibration After c...

Страница 61: ...asured value display flashes 2 Pull the sensor out of the sample 3 Perform the calibration in the laboratory cleaning maintenance or repair removing and replacing of the sensor about these topics see...

Страница 62: ...on the maintenace condition Continue Cancel Display mesage Calibration Step 1 Calibration Step n end Maintenance condition ON manual Sensor cleaning active automatic sequence Sensor cleaning OFF Maint...

Страница 63: ...lashes 2 Open the Display Options menu with OK 3 Using highlight the menu item Switch maintenance condition on off and confirm with OK A window that informs you about the maintenance condition opens u...

Страница 64: ...components and detailed instructions on how to proceed are available on the Internet at www WTW com 1 Call up the measured value display with M 2 Open the Einstellungen Settings menu with S 3 Using h...

Страница 65: ...to the DIQ S 28X via the USB port and with the aid of a USB memory device A Software Update does not change the measurement settings measurement data and calibration data You can view the software ver...

Страница 66: ...isplay opens figure 5 1 Language 3 Select a language from the list with and confirm with OK The active language is marked with a checkmark 4 Switch to the higher menu level with ESC or Switch to the m...

Страница 67: ...No access control Administrator authorization Maintenance authorization Read permission Access control with instrument block see section 5 3 2 figure 5 2 Terminal settings Setting Selection Val ues E...

Страница 68: ...onfigured user rights in the system Each user type can be protected with its own password User right The current user right is shown on the display with the following symbols Access to the system with...

Страница 69: ...ured values For the instru ment on which the function was activated Instrument block Instrument block switched off User rights as for Viewer Instrument block active The DIQ S 28X is blocked Only the I...

Страница 70: ...ory 4 Note passwords For reasons of safety the administrator password at least should be saved in such a way that it can be accessed in an emergency 5 Press to select the Apply settings function and c...

Страница 71: ...ET systems can be saved to every elec tronic key For each IQ SENSOR NET system only one password can be saved to each elec tronic key Saving a password to an electronic key 4 Using select OK and confi...

Страница 72: ...on level and confirm with OK 5 Using select the menu item Save access code on USB memory and confirm with OK The password for the selected authorization level is saved to the USB memory device Adminis...

Страница 73: ...tings Einstellungen All sensors Note links are deleted Sensor setting menu Measured value display Settings of sensors Column measuring range Sensor If the measuring mode or measured parameter are chan...

Страница 74: ...me to each output in the Edit list of outputs display Linking outputs and sensors seesection 6 4 1 Open the Einstellungen Settings menu with S 2 Using and OK select and confirm the menu item System se...

Страница 75: ...he display As a relay action 5 6 2 Setting up editing alarms figure 5 6 Edit list of outputs enter a name An alarm message via display or relay cannot be acknowledged or switched off An alarm only dis...

Страница 76: ...with To set up a new alarm without entry select in the Sensor column Then confirm with OK When a new alarm is set up a list with all sensors appears first Alarm links that are already available can b...

Страница 77: ...or e g pH oxygen etc Adjoining variable designates an additional measured parameter e g temperature Limit value Lower limit Upper limit Type of the alarm event Lower limit An alarm is triggered if the...

Страница 78: ...a relay output When the alarm event occurs it carries out the specified action Open or Close For details see section 5 6 3 ALARM OUTPUT TO DISPLAY Accept The settings are taken over in the setting ta...

Страница 79: ...le for relays that are not linked with a sensor If necessary an existing link must be erased For details please refer to the operating manual of the output module 5 7 System settings System settings i...

Страница 80: ...display Date Time The clock in the DIQ S 28X bridges periods of power failure of up to several hours After a longer power failure the clock starts precisely at the time of the failure A message and an...

Страница 81: ...Function code Function for the service staff figure 5 12 Location altitude Air pressure 3 Press to select Set altitude of location or Set air pressure and confirm with OK 4 Press to change the values...

Страница 82: ...e section 6 4 Erase links between outputs and the sensor seesection 6 5 Set up outputs see section 6 6 and section 6 7 Check the conditions of the outputs see section 6 8 Basis information on the use...

Страница 83: ...ng way Monitoring a limiting value using a relay when a limiting value upper or lower limiting value is exceeded or undercut a relay switches The Open or Close relay actions are possible in each case...

Страница 84: ...hes cyclically on and off in a defined measured value range proportional range At the same time the relay switches with a duration of operation that corresponds to the measured value pulse width outpu...

Страница 85: ...in the upper output range and a further relay in the lower output range see page 85 Output with one relay Output with two relays figure 6 3 Output with two relays figure 6 2 Output with one relay 10...

Страница 86: ...requency output Switching frequency output is used e g for controlling dosing pumps In contrast to the pulse width output the pulse width is not modulated with the frequency output but the switching f...

Страница 87: ...or frequency decreases with an increasing measured value see page 90 The maximum values for the pulse width or switching frequency are assigned to the End value value and the minimum values for turn...

Страница 88: ...e 6 6 Positive characteristic curve figure 6 7 Negative characteristic curve Measured value Switching frequency f or Pulse v width End value Start value Max Min Measured value Start value End value Ma...

Страница 89: ...9 Frequency output 1 Start value Measured value with a minimum pulse width or switching frequency 2 End value Measured value with a maximum pulse width or switching frequency 0 10 50 90 100 Proportion...

Страница 90: ...11 Frequency output 1 Start value Measured value with a minimum pulse width or switching frequency 2 End value Measured value with a maximum pulse width or switching frequency 0 10 50 90 100 Proportio...

Страница 91: ...erview 1 Open the Einstellungen Settings menu with S 2 Using and OK select and confirm the menu item System settings Edit list of outputs The Edit list of outputs display opens 3 Press to highlight a...

Страница 92: ...play opens 3 Press to highlight the column and confirm with OK 4 Select an output with and confirm with OK The Link with display opens The display shows a list of sensors that can be linked figure 6 1...

Страница 93: ...ing and OK select and confirm the menu item System settings Settings of outputs and links The Settings of outputs and links display opens 3 Press to highlight the column and confirm with OK 4 Select a...

Страница 94: ...confirm with OK The Settings of outputs and links display appears 4 Using highlight the Feature column Confirm with OK 5 Using highlight a line for a relay output Rx in the column Feature Confirm with...

Страница 95: ...n 6 6 4 Frequency controller see section 6 6 5 Pulse width output see section 6 6 6 Cleaning see section 6 6 7 Manual control see section 6 6 8 Alarm contact see section 6 6 9 8 Make the settings for...

Страница 96: ...the relay remains open for 10 seconds and only closes when the malfunction is no longer present In the following cases the relay does not open despite an invalid measured value The sensor is being ca...

Страница 97: ...rors Setting Selection Explanation Error Special Special sensor errors are monitored and can prompt a relay action All All sensor errors special ones and general ones are monitored and can prompt a re...

Страница 98: ...ariable UL adjoining var LL adjoining var Main variable designates the actual measured parameter of the sensor e g pH oxygen etc Adjoining variable designates an additional measured parameter e g temp...

Страница 99: ...entered that is smaller than the value for Start value Setting Selection Values Explanation Measured variable Main variable Adjoining variable Main variable designates the actual measured parameter o...

Страница 100: ...nsor cleaning function with the aid of a relay of the combination output module The relay controls the DIQ CHV valve module and switches the compressed air for the CH sensor cleaning head on or off Se...

Страница 101: ...n see section 6 6 8 and while doing so check the behavior of the cleaning system Alternatively you can test the operativeness of the cleaning system by checking the performance of the function at the...

Страница 102: ...180 s max 300 s With this the cleaning times are fixed They only change when the Reference time h is changed The reference time and all further cleaning times relate to the date and time of the system...

Страница 103: ...ased immediately If the cleaning cycle is canceled manually the sensor is in the maintenance condition The linked outputs are only released after the maintenance condition was terminated manually 1 Re...

Страница 104: ...erased In case of a power failure all relays open The cleaning cycle is canceled The outputs linked with the sensor change to the non active condition see section 6 9 2 As soon as the power is avail a...

Страница 105: ...column Confirm with OK 5 Using highlight a line for a current output Cx in the column Feature Confirm with OK The Settings of outputs and links display opens 6 Using highlight the menu item Current ou...

Страница 106: ...iable Main variable Adjoining variable Main variable designates the actual measured parameter of the sensor e g pH oxygen etc Adjoining variable designates an additional measured parameter e g tempera...

Страница 107: ...trol parameters are xset I0 Xp Imin Imax ti and td see setting table on page 110 Unchanged The current at the output remains unchanged with IController Current on the controller output at time t I0 Cu...

Страница 108: ...e of the linked sensor If a value is entered for the parameter Xp that is greater than zero the controller has a positive characteristic curve example figure 6 17 To obtain a positive characteristic c...

Страница 109: ...result in the following negative characteristic curve Imin 8 mA Imax 14 mA Io 12 mA ti 0 s no I algorithm td 0 s no D algorithm figure 6 18 Characteristic curve for application example 0 8 14 12 Imax...

Страница 110: ...K mg l mg l mg l mA 1 mA 12 IRegler 5 4 mA 11 mg l 1 mg l mA 1 mA 12 IRegler Setting Selection Values Explanation Measured variable Main variable Adjoining variable Main variable designates the actual...

Страница 111: ...erential part of the controller 0 not effective Behavior at error Fixed current value In the case of an error the current output supplies the current value defined in the Current with error field any...

Страница 112: ...rupted for more than 2 minutes The supply voltage for the DIQ S 281 is too low In the function Recorder the measured value of the linked sensor is outside the range between Start value and End value F...

Страница 113: ...on of the outputs ends The outputs function as specified by the user again Erasing a link to a sensor Changing the Measuring mode sensor setting for a linked sensor Changing the Measuring range sensor...

Страница 114: ...not use high pressure water blasters for cleaning danger of water penetra tion Also do not use aggressive cleaning agents such as alcohol organic sol vents or chemical detergents These types of cleani...

Страница 115: ...Error in the measured value display The selected system language was not activated for all components Information on possible errors of IQ sensors is given in the chapter WHAT TO DO IF of the respect...

Страница 116: ...sor is auto matically recognized as a new component It is always possible to replace components and assign a substitute if the software state of the substitute component is as high as or higher than t...

Страница 117: ...connected sensor The IQ sensor starts oper ating with the settings from the inactive dataset This mechanism ensures that the IQ sensor retains its settings and links if it was removed for maintenance...

Страница 118: ...281 dimensions in mm Mechanical structure Test certificates 144 0 144 0 52 2 68 0 11 0 16 5 115 0 70 0 45 0 72 0 137 0 137 0 S C M ESC OK USB UNIVERSAL TRANSMITTER DIQ S 281 Front view Lateral view Re...

Страница 119: ...y Nominal voltage 100 240 VAC 10 Frequency 50 60 Hz according to DIN IEC 60038 Line power connection 2 pin N and L Line cross section of mains connection Europe 1 5 4 0 mm2 USA AWG 14 12 Fuse rating o...

Страница 120: ...the DIQ S 28X Proportional frequency output Proportional pulse width output Output Galvanically separated from the sensors Output current Can be switched between 0 20 mA and 4 20 mA In the case of err...

Страница 121: ...industrial areas intended for indis pensable operation Interference emission limits for resources of class A System lightning pro tection Extended protective characteristics as opposed to EN 61326 FC...

Страница 122: ...terial Polystyrene Weight Approx 0 2 kg Type of protection IP 66 not suitable for conduit connection 1 1 2 2 3 3 4 4 5 5 6 6 7 7 7 passive potential free terminals for line extension or branching Term...

Страница 123: ...ecting terminals Valve circuits 94 94 28 57 DIQ CHV Enclosure material Polystyrene Weight Approx 0 3 kg Type of protection IP 66 not suitable for conduit connection VENTIL VALVE HILFLSKONTAKTE AUXILIA...

Страница 124: ...t rail mounting figure 9 4 Space required for wall and top hat rail mounting dimensions in mm Panel mounting PMS IQ figure 9 5 Space required for panel mounting PMS IQ dimensions in mm Required air qu...

Страница 125: ...2 480044 480041V 480045 480066 480060 480064V Set of 4 cable glands M20 for cable sheaths with an outer diam eter greater than 10 mm EW 1 480051 Branching module DIQ JB 472005 Valve module DIQ CHV 472...

Страница 126: ...rating manual of the respective component The following lists contain the message codes and the related message texts that are shown on the display Error messages and info messages are listed separate...

Страница 127: ...171 Power failure occurred Check date and time and if necessary adjust them Message code Message text Message code Message text II1171 Language not available Default language German Contact service II...

Страница 128: ...Messages DIQ S 281 128 ba77244e01 08 2020...

Страница 129: ...121 Entering texts 50 Error 53 F Function code 81 I Inactive dataset Sensors 116 Information 53 Initialization 39 K Keys 48 L Language 66 Lightning protection External protective measures 13 Installat...

Страница 130: ...minal 66 Time 79 Site altitude 80 Software status Of all components 64 Special user qualifications 11 Start checklist 38 Starting the system 38 Status info 59 System settings 79 T Target group 11 Term...

Страница 131: ......

Страница 132: ...uildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications ex...

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