MTL5018 SWITCH/ PROXIMITY DETECTOR INTERFACE With Good Price In Ready Ship
MTL5018 SWITCH/
PROXIMITY DETECTOR INTERFACE two-channel, with line fault detection and phase reversal
The MTL5018 enables two safe-area loads to be controlled by two switches or proximity detectors located in a hazardous area. Two relay outputs are provided. Independent phase reversal control allows an alarm condition to be signalled for either state of the sensor. A selectable line fault detect (LFD) facility detects an open or short circuit in either field circuit.
SPECIFICATION OF MTL5018
See also common specification
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
Safe-area output
Two relays with changeover contacts
Hazardous-area inputs
Inputs conforming to NAMUR/DIN 19234 standards for proximity
detectors
Voltage applied to sensor
7 to 9V from 1kΩ ±10%
Input/output characteristics
Normal (reverse) phase:
output energised (de-energised) if Iin >2.1mA or Rin <2kΩ
output de-energised (energised) if Iin <1.2mA or Rin >10kΩ
Hysteresis: 200µA, typical
Line fault detection (LFD)
User-selectable via switches on the top of the unit. Line faults
are indicated by an LED for each channel. A detected line fault
de-energises the relay.
Open-circuit alarm on if Iin<100µA
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
Phase reversal
Independent for each channel, user-selectable
Relay type
Single pole, changeover contacts
Note: reactive loads must be adequately suppressed
Relay characteristics
Response time: 10ms maximum
Contact rating: 250V ac, 2A, cosø >0.7
40V dc, 2A, resistive load
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Windy Wang
HONGKONG XIEYUAN TECH CO., LIMITED
Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan,China
Tel: +86-27-8588 3233 | Fax:+86-27-8530 9780 | Mobile/Whatsapp :+86 15972199006 |
Skype: windy@hkxytech.com Mail: windy@hkxytech.com
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