FOTO/9MSA3 - FOTO/9MSA3-ST
PRASTEL S.r.l. Via del Vetraio, 7 40138 Bologna Italy - Tel. +39-051-6023311 Fax +39-051-538460
E-mail: [email protected] - Web site: http://www.prastel.com
FOTO/9MSA3 FOTO/9MSA3-ST 01/1999.DOC
M E M B E R O F
ENGLISH
1. DESCRIPTION
FOTO/9MSA3 is a double-beam photocell amplifier especially designed and constructed to ensure, when used in conjunction with
appropriate sensors, maximum safety for automatic accesses such as lift doors, burglar-proof double doors, automatic, overhead and
industrial doors, and so on. The device can be mounted by positioning the sensors either directly in the doorway or inside one or more
safety hips.
Built in compliance with European reference standards (Machinery Directive 89/392/EEC and Electromagnetic Compatibility 89/336/EEC), the
device incorporates “redundant electronics”. The circuitry largely features double components and functions which means that the two specular
circuits are capable of operating simultaneously and in parallel thus ensuring correct and consistent operation of the amplifier and consequently
of the complete photocell. In fact, thanks to the circuitry redundancy, maximum safety is always guaranteed even in case of damage to the
electronic card, as required by Machinery Directive 89/392/EEC.
This special feature permits FOTO/9MSA3 to be used in conjunction with all types of control units, even those not featuring the self-
test function, thus guaranteeing the maximum safety of the final installation at all times, as required by applicable reference standards.
The amplifier is also available in a box (IP55) featuring appropriate fairleads for outdoor installation (model FOTO/9MSA3-ST).
2. MAIN FEATURES
•
Multiplexed and synchronised system for maximum noise immunity
•
Redundant
electronics
•
Possibility of selecting any of the two beams
•
One NO/NC switchable relay output corresponding to the breaking
of one or both beams, with ultraquick response time
•
Easy installation and alignment of sensors thanks to the i
“Install check” function for attenuation of the intensity of infrared beams.
•
Possibility of combination with Prastel’s sensor models:
CR/9MS, CR/9MS9, CR/9MSD, CR/9MSP, CR/FC, CR/20MS
•
Compliance with UNI 8612 Standards
•
Compliance with European reference directives:
Machinery Directive 89/392/EEC
Electromagnetic Compatibility (EMC) 89/336/EEC
3. TECHNICAL FEATURES
Power supply
12-24 Vac/dc ± 10% (selectable)
Maximum power input
1W (2 beams)
Infrared wave length
850 nm
Rated range
5 to 20 m
Relay output (clean switchable contact)
NO/NC
Relay response time
20 ms
Reset time
0.5 sec
Operating temperature
-20 to + 70 °C
Dimensions
110x75x35 mm (FOTO/9MSA3,110x55x75 mm (FOTO/9MSA3-ST)
Weight
420 grams (FOTO/9MSA3), 520 grams (FOTO/9MSA3-ST)
4. WIRING AND START-UP
•
Before installing the FOTO/9MSA3 photocell amplifier, carefully read the “General Safety Precautions”.
•
Install the box via the appropriate mounting holes.
•
Align the sensors (namely any of those cited in point 2 above).
•
Route the connection cables through the appropriate slots for the FOTO/9MSA3 or through the appropriate fairleads for the FOTO/9MSA3-
ST.
•
Connect the power and signal cables and check that the power jumper has been correctly positioned (CLOSED = 12Vac/dc, OPEN = 24
Vac/dc).
•
In case of only one beam (TX1 - RX1) being connected, make sure that the corresponding selector has been set to the correct position.
•
Power and check that the beam alignment LED comes on.
Press the “install check” button to reduce the intensity of the connected beams by 40%. During this operation, check that alignment LED
always stays on.
FOTO/9MSA3
FOTO/9MSA3-ST
