Страница 1: ...8 29 006 260 Fax 358 29 006 1260 13 8 2019 Internet www labkotec fi D15349AE 1 1 15 Copyright 2019 Labkotec Oy We reserve the right for changes without notice SET 2000 110 VAC supply voltage Level swi...
Страница 2: ...in the same area and zone 5 2 1 2 Level sensors in different areas and zones 6 3 OPERATION AND SETTINGS 7 3 1 Operation 7 3 2 Altering settings 8 4 TROUBLE SHOOTING 10 5 REPAIR AND SERVICE 11 6 SAFET...
Страница 3: ...sh buttons and interfaces of the device are described in figure 1 Figure 1 SET 2000 level switch features SET 2000 can be used as a controller of level sensors located in potentially explosive atmosph...
Страница 4: ...r The connectors of the external conductors are isolated by separating plates The plates must not be removed The plate covering the connectors must be installed back after executing cable connections...
Страница 5: ...the ground terminal Other components of the system that need to be grounded can also be connected to the same ground terminal The wire used for equipotential ground must be min 2 5 mm mechanically pr...
Страница 6: ...de with separate cables Also the equipotential grounds can be separate Figure 5 Cabling with a cable junction box when sensors are located in separate areas and zones Junction boxes of types LJB2 and...
Страница 7: ...nergized High level alarm The level has hit the high level sensor sensor in the medium Mains LED indicator is on Sensor 1 Alarm LED indicator is on Buzzer on after 5 sec delay Relay 1 de energizes aft...
Страница 8: ...f it has been reset earlier it will return to be on When the Test push button is released The device returns without delay to the preceding status Fault alarm on When pressing Test push button The dev...
Страница 9: ...iquid level is above the sensor s trigger level high level mode OPERATIONAL DELAY SETTING DELAY Switches S2 and S4 are used to set the operational delay of the device When the switch is in low positio...
Страница 10: ...8 V 3 If the voltages are correct measure the sensor current one channel at a time Do as follows 3 1 Disconnect sensor s wire from sensor connector poles 11 and 13 3 2 Measure short circuit current b...
Страница 11: ...eres the national requirements and relevant standards as IEC EN 60079 25 and or IEC EN 60079 14 must be taken into account If electrostatic discharges can cause hazards in the operating environment th...
Страница 12: ...y outputs Two potential free relay outputs 250 V 5 A 100 VA Operational delay 5 sec or 30 sec Relays de energize at trigger point Operation mode selectable for increasing or decreasing level Electrica...
Страница 13: ...1 9 F 1 6 F 0 15 mH 0 5 mH 1 0 mH 2 0 mH 5 0 mH Lo Ro 116 5 H IIC and 466 H IIB Table 2 Electrical parameters Maximum length of the sensor cable is determined by the resistance max 75 and other electr...
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