Photoelectrics
Through-beam, Industrial Door Market
Type PMT20.M, Mute Input
• Range: 20 m
• Modulated, infrared light
• LED-indication for power supply ON (emitter)
and target detected (receiver)
• Multi supply voltage:
24 VDC and 24 VAC, 50/60 Hz
• 25 x 65 x 81 mm reinforced PC housing, IP 67
• CE, UL325 and UL508 approved
Product Description
Ordering Key
housing. PG 13.5 or 1/2"
NPT cable gland. With Mute
Input on the transmitter the
sensor fullfill EN12978
Type
Receiver
Cable gland
Mute Input
Housing
WxHxD
Ordering no.
Receiver without timer
Ordering no.
Emitter
25 x 65 x 81
PG 13.5 cable gland
1/2" NPT cable gland
PMT 20R GM
PMT 20R IM
PMT 20 GM
PMT 20 IM
Through-beam photoelectric
switch. Range up to 20 m.
Immune to ambient light.
Precise detection through
narrow beam. LED-indication.
Protection degree IP 67.
Screw terminal connection.
25 x 65 x 81 mm plastic
PMT20 R G M
Type Selection
Specifications Emitter
Specifications Receiver
Rated operational volt. (UB)
AC: 45 to 65 Hz
Rated operational power
Light source
Light type
Optical angle
Indication
Power supply ON
Output function
Rated operational volt. (UB)
AC: 45 to 65 Hz
Rated operational power
(Relay ON)
Output
Contact ratings (AgCdO)
Resistive loads
AC 1
DC 1
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
24 VDC ± 20%
24 VAC ± 20%
≤ 1 W (1.2 VA)
GaAIAs LED, 880 nm
Infrared, modulated
± 2°
LED, green
Switch selectable, make or
break switching
Dielectric voltage
Sensitivity
Optical angle
Rated operating dist. (Sn)
(0 to 5,000 lux)
Operating frequency (f)
Response time OFF-ON (tON)
ON-OFF (tOFF)
Power ON delay ( tv )
Output function
Specifications are subject to change without notice (12.02.2010)
24 VDC ± 20%
24 VAC ± 20%
≤ 2 W (2.5 VA)
µ (micro gap)
3 A/250 VAC
3 A/30 VDC
2 A/250 VAC
3 A/30 VDC
≥ 40 x 106 operations
≥ 5 x 105 operations
at 220 VAC - 3 A resistive
load: 360 impulses/h
2 kVAC (rms) (cont./supply)
Adjustable, single turn pot.
± 2°
20 m
20 Hz
≤ 20 ms
≤ 20 ms
≤ 300 ms (typ. 100 ms)
Mute function
1
PMT20.M
General Specifications
Environment
Overvoltage category
Pollution degree
Degree of protection
Temperature
Operating
Storage
Vibration
Shock
Housing material
Body
Front
Cover
Cable gland
Mounting bracket
Connection
Screw terminal
Cable gland
Weight
Emitter
Receiver
UL-Approval
Sensitivity
adjustment
-25° to +55°C (-13° to +131°F)
-30° to +80°C (-22° to +176°F)
10 to 150 Hz, 0.5 mm/7.5 g
(IEC 60068-2-6)
2 x 1 m & 100 x 0.5 m
(IEC 60068-2-32)
LED
DIP switches
24 VDC
24 VAC
50/60 Hz
PC, grey, reinforced
PC, black
PC, black
PA, black, reinforced
Steel, black
30 VDC
250 VAC
Max. 3 A
5 x 2 x 1 mm2
PG 13.5 or 1/2" NPT
for cable 6 to 10 mm
Selection of Function
Switch
1 2 3
PMT 20R.M
Time adjustment
(optional)
III (IEC 60664/60664A,
60947-1)
3 (IEC 60664/60664A,
60947-1)
IP 67 (IEC 60529, 60947-1)
110 g
115 g
cus UL325, CSA-C22.2 No.247
cus UL508
Yes
CE-marking
Connection Diagram
1 Break switching
2 Make switching
Don't care
PMT20 Emitter
LED
Break
Make
Mute input MAKE/BREAKE
L Power supply: 24 VDC
or 24 AC, 50/60 Hz
N
Mute input voltage: 24 VDC
M or 24 AC, 50/60 Hz
Upper postion ON (Mode 1)
Lower position OFF (Mode 0)
2
Specifications are subject to change without notice (12.02.2010)
PMT20.M
Operation Diagram
t = Time delay
tv = Power ON delay
Power supply
Target present
Object present
Func 1. Output ON
Func 2. Output ON
Func 3. Output ON
Func 4. Output ON
Func 5. Output ON
Func 6. Output ON
Func 7. Output ON
Func 8. Output ON
Func 9. Output ON
Func 10. Output ON
Dimensions
PMT 20 with angle bracket
or 1/2" NPT
PMT 20
Specifications are subject to change without notice (12.02.2010)
3
PMT20.M
Installation Hints
To avoid interference from inductive voltage/
current peaks, separate the prox. switch power cables from any other power cables, e.g.
motor, contactor or solenoid cables
Relief of cable strain
Protection of the sensing face
Switch mounted on mobile carrier
A proximity switch should not serve as
mechanical stop
Any repetitive flexing of the
cable should be avoided
Incorrect
Correct
The cable should not be pulled
Delivery Contents
Accessories
•
•
•
•
•
• MB02 (longer mounting bracket),
please refer to "Accessories"
4
Photoelectric switch: PMT 20
Cable gland
Installation instruction
Mounting bracket
Packaging: Corrugated cardboard (environmentally
friendly recycling material)
Specifications are subject to change without notice (12.02.2010)
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