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MTL5510 SWITCH/ PROXIMITY DETECTOR INTERFACE 4-channel, digital input
The MTLx510 enables four solid-state outputs in the safe area to be controlled by up to four switches or proximity detectors located in a
hazardous area. Each pair of output transistors shares a common terminal and can switch +ve or –ve polarity signals. A range of module
configurations is available (see Table 1) through the use of selector switches. When proximity detector modes are selected, LFD is enabled
and the output switches to OFF if a line fault is detected.
SPECIFICATION
See also common specification
Number of channels
4, configured by switches
Location of switches
Zone 0, IIC, T6 hazardous area
Div 1, Group A hazardous location
Location of proximity detectors
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)
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
Line fault detection (LFD) (when selected)
User-selectable via switches on the side of the unit.
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
Safe-area outputs
Floating solid-state outputs compatible with logic circuits
Operating frequency: dc to 500Hz
Max. off-state voltage: ± 35V
Max. off-state leakage current: ± 50µA
Max. on-state resistance: 25Ω
Max. on-state current: ± 50mA
LED indicators
Green: power indication
Yellow: four: on when output active
Red: LFD indication + faulty channel’s yellow LED flashes
Maximum current consumption
40mA at 24V (with all output channels energised)
Power dissipation within unit
0.96W at 24V, with 10mA loads
Safety description (each channel)
Uo=10.5V Io=14mA Po=37mW Um = 253V rms or dc
MTL5500 series :
MTL5501-SR
MTL5510
MTL5510B
MTL5511
MTL5513
MTL5514
MTL5514-T
MTL5514D
MTL5516C
MTL5517
MTL5521
MTL5521-T
MTL5522
MTL5523
MTL5523V – VL
MTL5524
MTL5525
MTL5526
MTL5541
MTL5541A
MTL5541AS
MTL5541S
MTL5541S-T
MTL5544
MTL5544A
MTL5544AS
MTL5544D
MTL5544S
MTL5546
MTL5546Y
MTL5546Y-T
MTL5549
MTL5549Y
MTL5573
MTL5575
MTL5576-RTD
MTL5576-THC
MTL5581
MTL5582
MTL5582B
MTL5531
MTL5532
MTL5561
MTL5051
MTL5314
MTL5553
MTL5599
