MTL5018AC MTL SURGE TECHNOLOGIES, MTL5018AC Datasheet
MTL5018AC
Manufacturer Part Number
MTL5018AC
Description
ISOLATED BARRIER, DIG I/P
Manufacturer
MTL SURGE TECHNOLOGIES
Datasheet
1.MTL5018AC.pdf
(2 pages)
Specifications of MTL5018AC
Input Type
Switch / Proximity Sensor
Output Type
Relay
Approval Bodies
ATEX
External Depth
110mm
External Length / Height
104mm
External Width
16.2mm
Isolation Input
Isolated
Mounting Type
DIN Rail
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
The MTL5018ac 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
See also common specification
Number of channels
Location of switches
Location of proximity detector
Safe-area output
Hazardous-area inputs
Voltage applied to sensor
Input/output characteristics
Line fault detection (LFD)
Note: Resistors must be fitted when using the LFD facility with a contact input
500
20k
Phase reversal
Relay type
Relay characteristics
MTL5018AC SWITCH/
PROXIMITY DETECTOR
INTERFACE
two-channel, with line fault detection
and phase reversal
Ω
Ω
Two
Zone 0, IIC, T6 hazardous area
Div. 1, Group A hazardous location
Zone 0, IIC, T4–6 hazardous area if suitably certified
Div. 1, Group A hazardous location
Two relays with changeover contacts
Inputs conforming to NAMUR/DIN 19234 standards for proximity
detectors
7 to 9V from 1kΩ ±10%
Normal (reverse) phase:
Hysteresis: 200µA, typical
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 I
Open-circuit alarm off if I
Short-circuit alarm on if R
Short-circuit alarm off if R
Independent for each channel, user-selectable
Single pole, changeover contacts
Note: reactive loads must be adequately suppressed
Response time:
Contact rating:
to 25k
to 1k
output energised (de-energised) if I
output de-energised (energised) if I
Ω
Ω
in series with switch
in parallel with switch
EUROPE (EMEA)
AMERICAS
ASIA PACIFIC
E-mail: enquiry@mtl-inst.com
10ms maximum
250V ac, 2A, cosø >0.7
40V dc, 2A, resistive load
in
in
in
in
<100µA
>250µA
<100Ω
>360Ω
Tel: +44 (0)1582 723633
Tel: +1 281 571 8065
Tel: +65 6 487 7887
Web site: www.mtl-inst.com
in
in
>2.1mA or R
<1.2mA or R
Fax: +44 (0)1582 422283
Fax: +1 281 571 8069
Fax: +65 6 487 7997
in
in
<2kΩ
>10kΩ
LED indicators
Maximum power dissipation
Isolation
Safety description (each channel)
Power Supply
Hazardous area
Green: power indication
Yellow: two: status of each channel (on when outputs are
energised)
Red: two: LFD indication for each channel (on when line fault
detected)
<2.5W
250V ac or dc between power supply, hazardous-area circuits
and relay outputs
10.5V, 800Ω, 14mA, U
85 to 265V ac
45 to 65 Hz
Terminal
10
14
11
12
13
1
2
3
4
5
6
7
8
9
W
W
W
W
Function
Input –ve (Ch 1)
Input +ve (Ch 1)
Earth leakage detection
Input –ve (Ch 2)
Input +ve (Ch 2)
Earth leakage detection
Normally-closed contact (Ch 2)
Common (Ch 2)
Normally-open contact (Ch 2)
Normally-closed contact (Ch 1)
Common (Ch 1)
Normally-open contact (Ch 1)
AC Supply
AC Supply
m
= 250V rms or dc
Safe area
May 2006
Aug 2008
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MTL5018AC Summary of contents
Page 1
... INTERFACE two-channel, with line fault detection and phase reversal The MTL5018ac 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. ...
Page 2
MTL5099 DUMMY ISOLATOR The MTL5099 is used with other MTL5000 Series units to provide termination and earthing facilities for, unused cable cores from hazardous areas. MTL5000 SERIES COMMON SPECIFICATION Connectors Each MTL5000 unit is supplied with signal and power connectors, ...