BASIC INFO
MTL4516 MTL4516C MTL5516C Switch Proximity Detector Interface
The MTL5516C enables two safe-area loads to be controlled by a switch or proximity detector located in a hazardous-area. When selected, open or short circuit conditions in the field wiring are detected by the line-fault-detect (LFD) facility and also indicated on the top of the module. Phase reversal for each channel is selected by a switch on the side of the module and output is provided by changeover relay contacts.
Shipping weight: 1 kg
SPECIFICATION of MTL4516 MTL4516C MTL5516C Switch Proximity Detector Interface
Number of channels
Two
Location of switches
Zone 0, IIC, T6 hazardous area
Div. 1, Group A hazardous location
Location of proximity detector
Zone 0, IIC, T4–6 hazardous area if suitably certified
Div. 1, Group A hazardous location
Hazardous-area inputs
Inputs conforming to BS EN60947–5–6:2001 standards for
proximity detectors (NAMUR)
MTL4516 MTL4516C MTL5516C Switch Proximity Detector Interface
Voltage applied to sensor
7 to 9V dc from 1kΩ ±10%
Input/output characteristics
Normal phase
Outputs closed if input > 2.1mA (< 2kΩ in input circuit)
Outputs open if input < 1.2mA (> 10kΩ in input circuit)
Hysteresis: 200µA (650Ω) nominal
MTL4516 MTL4516C MTL5516C Switch Proximity Detector Interface
Line fault detection (LFD) (when selected)
User-selectable via switches on the side of the unit. Line faults are
indicated by an LED for each channel. The channel output relay is
de-energised if an input line fault is detected.
Open-circuit alarm on if Iin < 50µA
Open-circuit alarm off if Iin > 250µA
Short-circuit alarm on if Rin < 100Ω
Short-circuit alarm off if Rin > 360Ω
Note: Resistors must be fitted when using the LFD facility with a contact input
500Ω to 1kΩ in series with switch
20kΩ to 25kΩ in parallel with switch
MTL4516 MTL4516C MTL5516C Switch Proximity Detector Interface
Safe-area output
Two single-pole relays with changeover contacts
Note: reactive loads must be adequately suppressed
Maximum current consumption
35mA at 24V
Power dissipation within unit
0.84W at 24V
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Imported with original packaging or standard export packing.Customize design is acceptable.
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