- Ensures safe grounding before and during the loading operation
- For use in gas and dust hazardous areas of zone 1 (equipment category II 2 G) and 21 (II 2 D)
- Controlled derivation of the static electricity
- Immediate interruption of the loading operation when unsafe grounding connection consists
- According to all currently relevant EMC and ATEX directives
- High functional safety according to EN 61508 / SIL 2 (Hardware-Assessment)
MARKETS
EKX-4
For use during loading and unloading of tank trucks, silo trucks, aircraft refuelers, and railway tank wagons. High functional safety according to EN 61508 / SIL 2.
APPLICATION
FUNCTIONS
TECHNICAL SPECIFICATIONS
FUNCTIONS
- Device configuration (e.g. “road tank truck“, “railway tank wagon“) via internal switches
- Easy adjustment of limit values for object detection to local conditions
- Continuous self-monitoring of the redundant output signal
- Additional control output
- Multicolored LED-display to indicate the operating status, failure diagnosis and object recognition settings
- Extremely sturdy housing, especially resistant to chemicals and other environmental influences
TECHNICAL SPECIFICATIONS
| Type of Protection: | According to ATEX-standard 2014/34/EU: Ex II 2 G – Ex e q [ib] IIC T4 Gb Ex II 2 D – Ex t [ibD] IIIC T80°C Db |
| EC Type Examination: | TÜV 11 ATEX 080882 |
| Power Supply: | 230 V AC ± 10 %, 50 Hz, ca. 10 VA type of protection “increased safety“ Ex e |
| Measuring Circuit: | Max. Uo = 6, 7 V; Io = 68 mA; Po = 114 mW Max. 50 m (ex related specification, functional limitations must be observed) Type of protection Ex ib / ibD Only for connection of the grounding cable The measuring circuit is grounded |
| Contact Release Output: | Switching power max 250 VAC 3 A 100 VA Type of protection “increased safety“ Ex e 2 voltage free closing contact, internal monitored |
| Auxiliary Output: | Switching power max. 250 VAC 3 A 100 VA Type of protection “increased safety“ Ex e voltage free changeover contact, not monitored |
| Electronic Release Output: | Max. Ui = 20 V Ii = 20 mA Pi = 400 mW Inner capacitances Ci negligibly small Inner inductances Li negligibly small Type of protection “increased safety“ Ex e 1 NAMUR-compatible transistor output Internal resistance: 1 kΩ or 11 kΩ Modulation: 10 Hz, duty factor 1:1 |
| Protection of Enclosure: | IP65 |
| Operation Temperature: | - 30 °C up to + 60°C |
| Dimensions (W x L x H): | 170 mm x 306 mm x 110 mm |
| Weight: | approx. 4.5 kg |
ADDITIONAL INFO
Benefits
- Prevents manipulation due to object recognition (by measuring the impedance)
- Opening of the housing during operation in gas hazardous areas is allowed
- Automatic diagnosis system self-monitors all safety-related functions continuously
- Due to the cable compensation, it is also possible to connect cables up to 30 m
- NAMUR-compatible Ex i control output
SIMILAR PRODUCTS
