MTL5522 データシートの表示（PDF） - Unspecified
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MTL5522 Datasheet PDF : 29 Pages
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MTL5501-SR FAILSAFE
SWITCH/PROXIMITY
DETECTOR INTERFACE
with LFD
With the MTL5501-SR, a fail–safe switch/proximity detector
located in the hazardous area can control an isolated fail–safe
electronic output. The MTL5501–SR units provide line fault
detection alarm contacts. The MTL5501–SR is for use with approved
fail–safe sensors.
Hazardous area
Resistors must
always be fitted
for switch inputs
1k4W
10kW
Safe area
6
5
4
+
3
2
1
EPS5501SR–1
7
8+
9
Failsafe
output
10
11
LFD
12
13
Vs
14
Vs+
20 to 35V dc
SPECIFICATION
See also common specification
Number of channels
One
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 location
Div 1, Group A, hazardous location
Voltage applied to sensor
8.6V dc max from 1kΩ
Input/output characteristics
Input value in
sensor circuits
2.9mA < Is < 3.9mA
Is < 1.9mA & Is > 5.1mA
Is < 50µA
Rs < 100Ω
Fail–safe
output
ON
OFF
OFF
OFF
Operation
Normal
Normal
Broken line
Shorted line
LFD
contacts
CLOSED
CLOSED
OPEN
OPEN
Note: Is = sensor current
Fail-safe electronic output
Output on: 24V nominal
Output off: 0V dc, max < 5V dc
Load:
750Ω to 10kΩ
Maximum on-state current: 25mA (at 750Ω)
Short-circuit current: 30mA
Line fault detection (LFD)
LFD relay output: contacts open when line fault detected
Switch characteristics: 0.3A 110V ac/dc; 1A 35V dc; 30W/33VA
LED indicators
Yellow: one provided for output status, ON when fail-safe
output is energised
Green: one provided for power indication
Red: one provided for LFD, flashing when line fault is detected
Power requirements, Vs
@ Supply voltage
750Ω load
typ. load
20V dc
100mA
70mA
24V dc
90mA
60mA
35V dc
65mA
45mA
Power dissipation within unit
@ Supply voltage
750Ω load
typ. load
20V dc
1232mW
1160mW
24V dc
1392mW
1200mW
35V dc
1507mW
1335mW
Safety description
Uo = ±9.7V, Io = 30mA, Po = 0.07W, Ci = 0nF, Li = 0mH
Um = 253V
Terminal
1
2
7
8
10
11
13
14
Function
Input –ve
Input +ve
Output –ve
Output +ve
LFD
LFD
Supply –ve
Supply +ve
Note: switch-type sensors must be fitted with resistors as shown
The given data is only intended as a product description and should not be re-
garded as a legal warranty of properties or guarantee. In the interest of further
technical developments, we reserve the right to make design changes.
EUROPE (EMEA)
Tel: +44 (0)1582 723633
Fax: +44 (0)1582 422283
AMERICAS
Tel: +1 281 571 8065
Fax: +1 281 571 8069
ASIA PACIFIC
Tel: +65 6 487 7887
Fax: +65 6 487 7997
E-mail: enquiry@mtl-inst.com Web site: www.mtl-inst.com
Jan 2009
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