Black Box Data Alarm SW705A Manuel utilisateur
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746
© Copyright 1995. Black Box Corporation. All rights reserved.
NOM STATEMENT
NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY
STATEMENT
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas
antes de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas
para referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones
de operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por
ejemplo, cerca de la tina de baño, lavabo, sótano mojado o cerca
de una alberca, etc..
6. El aparato eléctrico debe ser usado únicamente con carritos
o pedestales que sean recomendados por el fabricante.
7. El parato eléctrico debe ser montado a la pared o al techo s
ólo como sea recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico
más allá a lo descrito en las instrucciones de operación. Todo otro
servicio deberá ser referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición
no interfiera su uso. La colocación del aparato eléctrico sobre una
cama, sofá, alfombra o superficie similar puede bloquea la
ventilación, no se debe colocar en libreros o gabinetes que impidan
el flujo de aire por los orificios de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes
de calor como radiadores, registros de calor, estufas u otros aparatos
(incluyendo amplificadores) que producen calor.
DATA ALARMS
11. El aparato eléctrico deberá ser connectado a una fuente de poder
sólo del tipo descrito en el instructivo de operación, o como se
indique en el aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera
que no sean pisados ni pellizcados por objetos colocados sobre o
contra ellos, poniendo particular atención a los contactos y
receptáculos donde salen del aparato.
14. El equio eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de
las lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo
no sea usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no
sean derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del
aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio
en su desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
TRADEMARKS USED IN THIS MANUAL
IBM is a registered trademark of IBM Corporation.
Any other trademarks mentioned in this manual are acknowledged to be the property
of the trademark owners.
1
CHAPTER 1: Specifications
Interfaces — SW705A: EIA RS-232;
SW706A: IBM®PC parallel;
SW707A: EIA RS-422 pinned to
RS-530
Leads Monitored — SW705A: Trans. & Recv. Data;
SW706A: STROBE;
SW707A: Transmitted Data
Data Rate — SW705A: Transparent to all
speeds up to 115.2 Kbps;
SW706A: Transparent to all
speeds;
SW707A: Transparent to all
speeds up to 200 Kbps
Maximum Distances — Comply with those given in the
official specification for each
interface
User Controls — (2) Front-mounted:
(1) RESET pushbutton;
(1) DISABLE toggle switch;
(2) Internal:
(1) DIP bar switch for AC-
power selection;
(1) 9-position terminal block
for alarm-output selection
Indicators — (2) LEDs:
(1) Front-mounted: OUTPUT;
(1) Rear-mounted: POWER
1. Specifications
2
DATA ALARMS
Connectors — (2) Front-mounted:
(1) DB25 female for data
output, (1) IEC 320 power
outlet;
(2) Rear-mounted:
(1) DB25 male for data input,
(1) IEC 320 power inlet
Leads/Signals
Supported — All (transparent to all signals)
Fuse — 5-amp Slo-Blo
MTBF — 67,000 hours
Maximum Altitude — 15,000 ft. (4572 m)
Operating Temp. — 32 to 158˚F (0 to 70˚C)
Storage Temp. — 23 to 212˚F (–5 to 100˚C)
Humidity — 0 to 95% noncondensing
Enclosure — High-impact plastic
Power — From outlet:
Either 120-VAC, 60 Hz, or
240-VAC, 50 Hz (user-
selectable) through
detachable 6-ft. (1.8-m) line
cord to internal power supply
Size — 2.5"H x 8"W x 6.3"D
(6.4 x 20.3 x 16 cm)
Weight — 2 lb. (0.9 kg)
3
CHAPTER 2: Introduction
Your Data Alarm alerts your personnel to abnormal
conditions by providing AC power to another device (such
as an alarm light, bell, or buzzer) when data from a third
device (such as a sensor, computer, or intelligent shop-
floor machine) starts flowing through the Alarm on its way
to a fourth device (such as a printer or modem). You can
install the alarm directly into the cable path that you want
it to monitor. Figure 2-1 on the next page shows a typical
application.
Data Alarms are currently available in three versions: The
RS-232 Data Alarm (SW705A) monitors the Transmitted
Data (TD) and Receive Data (RD) leads on a serial RS-232
line; the Parallel Data Alarm (SW706A) monitors the
STROBE lead on a parallel line; and the RS-422 Data
Alarm monitors the Transmitted Data (TD) lead on a
serial RS-422 line pinned to the RS-530 specification.
(If you are using a different type of interface, or if your
application requires the Data Alarm to react to the absence
rather than the presence of data, call your supplier for
technical support. They might be able to give you a
quote on a custom unit.)
If you want the Data Alarm to switch dry contacts instead
of AC power, you can easily select this function by rewiring
the terminal strip inside the Alarm. See Section 3.2.
2. Introduction
4
DATA ALARMS
Figure 2-1. A typical application for an RS-232 Data Alarm.
Pipeline
RS-232
Pressure Sensor
RS-232
Data Alarm
Wall
Outlet
Alarm
Bell
RS-232 Serial Printer
Data In
Data Out
AC In
AC Out
5
CHAPTER 3: Installation
3.1 Before You Install
As you unpack your Data Alarm, make sure that you
received (1) Alarm unit, (1) detachable power cord, and
(1) copy of this manual. If you didn’t receive something,
or if anything is damaged, notify your supplier immediately.
Before installing your Data Alarm, put on insulated
gloves. (You should always wear gloves when installing
cabling or in-line devices, especially when significant
voltages could be transmitted across the cables.) We also
recommend that, where possible, you turn off the data-
source device (the one whose data transmissions you want
the Data Alarm to monitor) and data-destination device
and disconnect them from their power sources.
CAUTION!
During installation, you should never work on both
sides of your data circuit at the same time. Do not
connect both cables to your Alarm simultaneously—if
you do, you could become part of a circuit and risk
electrical shock.
3. Installation
6
DATA ALARMS
3.2 The Installation Procedure
To install your Data Alarm, take these steps:
1. Place the Data Alarm somewhere between the
devices you want to connect, within 6 ft. (1.8 m)
of a working AC outlet.
2. Set the Alarm’s DISABLE switch to the DISABLE
(up) position.
3. If you are using 120-volt AC power, go on to Step 4.
If you want 240-VAC output, you will have to set the
Data Alarm’s internal power-selection DIP switch.
CAUTION!
When the Data Alarm is plugged in, 120 or 240 volts of
AC power passes through its circuitry. NEVER open
the unit or make any internal adjustments to it while it
is plugged into a source of AC power.
First open the Alarm: Unscrew and remove the two
Phillips screws on the bottom of the unit and remove
its cover. You will see a DIP bar switch labeled “S3”
and “120-VAC↔240-VAC” on the Alarm’s circuit
board. Move this switch to the “240-VAC” position.
4. If you want the Alarm’s output to be switched-ON AC
power (power comes on when data is sensed), go on
to Step 5. If you want switched-OFF AC power (power
goes out when data is sensed) or dry-contact (relay
switches when data is sensed) output, you will have
to rewire the Alarm’s terminal block. If you haven’t
already, open the Alarm (see the previous step). You
7
CHAPTER 3: Installation
Figure 3-1. The internal AC-power and relay wiring
of the Data Alarms.
OUTPUT
INPUT
TERMINAL
BLOCK TB1
1 Normally Closed
2 Relay Arm
3 Normally Open
4 AC (Hot) Out
5 AC Neutral Out
6 Earth (AC Ground) Out
7 Earth (AC Ground) In
8 AC Neutral In
9 AC (Hot) In
Terminals:
Number Designation
Neutral
Factory-
Installed
Jumper
Ground
Hot
Neutral
Ground
Hot
FRONT
REAR
Ce manuel convient aux modèles suivants
2
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