PA 11 Series0 pages

PHOTOELECTRIC AMPLIFIER SERIES

PA 11

Description
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Operation mode and max sensing range:
Thru-beam: 0-70 m
Diffuse proximity: 0-5 m
230 V ac, 115 V ac, 24 V ac or 24 V dc
supply voltage
Manual sensitivity adjustment
Sensor LED-drive
Automatic sensor test
Adjustable on/off time delay
1 relay and transistor output or 2 transistor outputs
Switch selectable light or dark function
Switch selectable long or short range
Power, output, sensor test and signal level
indicators
11-pole DIN socket connection

The PA 11 is a 1-channel photoelectric amplifier, which is to be used in

The microprocessor controlled sensor test ensures that the system

conjunction with a set of remote transmitter LT and receiver LR from the

will automatically detect and indicate a faulty transmitter or receiver –

series 100, 110 and 120.

cable break or electrical failure – during operation, through the relevant

This amplifier series offers manual sensitivity adjustment via integral
potentiometers located on the front panel of the amplifier. Output can be
selected from either a relay and NPN or NPN and PNP transistor outputs

LED located on the front panel. The sensor LED drive powers the
optional monitor LEDs available on the remote sensors – output (LT)
and power (LR).

with or without a 0-10 sec on/off time delay. Light or dark function and
long or short range are switch selectable.

Technical Data
Supply voltage

24 V dc, 24 V ac, 115 V ac or 230 V ac

Voltage tolerance

+/– 15 %

Current consumption
Output

Max. 3,5 VA
Relay

1 open / 1 close, 250 V ac / 3 A, 120 V ac / 5 A

Transistor

60 mA / 30 V dc

Alarm output

–

Power on indicator

Green LED

Output indicator

Yellow LED

Signal level indicator

Green LED

LR sensor failure indicator

Red LED

LT sensor failure indicator

Red LED

Sensor monitor LED drive

The green monitor LED on the receiver indicates ‘Power ON’
The yellow monitor LED on the transmitter indicates ‘PA 11 output activated’

Hysteresis

Approx. 45 %

Response time tON / tOFF
Delay tON / tOFF

Relay

14 Hz

Transistor

Operation frequency

20 Hz

Relay

35 ms / 35 ms

Transistor

25 ms / 25 ms

PA 11 A

0-10 sec, adjustable

Housing material

Noryl

Environmental Data
Temperature, operation

–10 to +50 ºC

Temperature, storage

–40 to +80 ºC

Sealing class

IP 40
a

Approvals

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REMOTE PHOTOELECTRIC SYSTEMS

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