ms6348

ms6348
A800
ms6348
th
revision A, 19 January 2006
catalogue section 25
8 channel alarm/annunciator
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• 8 fault channels
(2 banks of 4 inputs)
• configurable alarm and
override options
• flexible facia labelling
Product specification
Description
power supply:
operating voltage range:
12 V setting
24 V setting
current consumption
C
ro
he
ck
Front facia and labelling
Active inputs are indicated by red LEDs on the front facia
(amber and green are available for volume orders). A clear
window next to each LED allows insertion of custom fault or
status messages under the wipe-clean front label - a message
label template is supplied with each module.
The A800 is housed in a front-of-panel mounted, 96 x 96mm
DIN standard case. Electrical connection is at the rear through
a 16 way, two-part type connector (terminal listing overleaf).
P
inputs:
positive input defined as:
negative input defined as:
inputs 1 – 8
enable inputs A and B
reset and lamp test inputs
A
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Operation
The A800’s 8 inputs are arranged in 2 banks of 4 inputs,
designated banks A and B. Each bank uses tamperproof
circuit board switches (accessed by removing the rear
facia) for configuration of:• operation: self-resetting, or first out and latching
• input activation: open or closed, to positive or negative DC
• override timer: enabled or disabled
‘Enable’ terminals A and B are used for independent activation
of each bank; alarm outputs A and B provide remote signalling
of fault conditions; and a master ‘reset’ input allows a fault state
to be cleared. The combination of enable/reset inputs and alarm
outputs gives a wide degree of external control over when and
how the input channels operate, including seam-free operation
with other controls such as the Murphy Autostart series (AS710
shown overleaf). A lamp-test input is also provided.
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The A800 is a versatile 8 channel alarm/annunciator module
that can be OEM-configured for use in a wide range of panel
applications – first out and latching alarm systems, self-resetting
status displays, or a combination of both. The A800 may be
used as a stand-alone module, or to provide extra fault inputs
for the range of Murphy engine and generator controls.
outputs:
alarm outputs A and B
80% to 100% of positive DC supply
–1V to +2V of negative DC supply
selectable: open or closed, +ve or –ve
close to positive DC to activate
close to negative DC to activate
semiconductor (open collector
transistor), negative DC when active,
300 mA max. @ 35 V DC
alarm override timer:
adjustment range
general:
overall dimensions (w x h x d)
panel cut-out dimensions
weight
operating ambient temperature
vibration
chemical/fire
< 3 to > 60 secs.
96 x 96 x 125 mm
92 x 92 mm
approx. 335 g
–10 to +55 °C / 14 to 131 F
1G, 50 Hz to 5 kHz
case: glass filled Noryl,
self extinguishing, non-dripping.
facia: polycarbonate
Warranty
A two year limited warranty on materials and workmanship
is given with this Murphy product. Details are available on
request and are packed with each unit.
CONTROL SYSTEMS & SERVICES DIVISION
PO Box 1819, Rosenberg, Texas 77471, USA
tel: +1 281 633 4500
fax: +1 281 633 4588
email: [email protected]
FW Murphy
PO Box 470248
Tulsa, Oklahoma 74147, USA
tel: +1 918 317 4100
fax: +1 918 317 4266
email: [email protected]
web: www.fwmurphy.com
9 – 18 V DC
18 – 35 V DC
< 100 mA
INDUSTRIAL PANEL DIVISION
PO Box 470248
Tulsa, Oklahoma 74147, USA
tel: +1 918 317 4100
fax: +1 918 317 4266
email: [email protected]
web: www.fwmurphy.com
MURPHY DE MEXICO S.A. DE C.V.
Blvd. Antonio Rocha Cordero 300, Fracción del
FRANK W. MURPHY LTD.
Aguaje San Luis Potosí, S.L.P. México 78384
Church Rd, Laverstock, Salisbury, SP1 1QZ, UK
tel: +52 444 8206264
tel: +44 1722 410055
fax: +52 444 8206336
fax: +44 1722 410088
Villahermosa office tel: +52 993 3162117
email: [email protected]
email: [email protected]
web: www.fwmurphy.co.uk
web: www.murphymex.com.mx
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.
Front facia
Rear facia and electrical connection
A800 series
Part No.
TM
MESSAGE 2
Channel 2
MESSAGE 3
Channel 3
MESSAGE 4
Channel 4
MESSAGE 5
Channel 5
MESSAGE 6
Channel 6
MESSAGE 7
Channel 7
MESSAGE 8
Channel 8
Bank B
1
2
3-6
7 - 10
Setting
Notes
= ON (foreward)
(see
= OFF (rearward) below)
a
12 V DC
24 V DC
Supply volts
Bank A inputs
b
closed closed open open
– ve + ve – ve + ve
Bank B inputs
A Override
B timer
A Fault type
B
Not used
on
alarm
(latching)
c
off
alert (nonlatching)
d
11
12
13
ro
Located next to the 10 DIL switches, potentiometer VR1 sets the alarm
'over-ride' time between 3 and 60 seconds. The timer is triggered when
positive DC is applied to pin 12, but may be used to further hold off the
operation of either bank A or bank B inputs, as detailed in c) above.
How to order
C
Stock no.
Model, description
76.70.0087 A800/000 standard model, red LEDs
Special variations on LED colours, labelling and configuration
are available for volume orders.
P
14
15
16
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If set to 'alert', the 4 LEDs mimic the state of the inputs. One or
more LEDs may light at any one time and will self-reset when the
respective input becomes inactive.
Reset
Connect this pin to negative DC to reset the alarm inputs
(e.g. after a latching fault)
Lamp Test
Connect this pin to negative DC to test all LEDs.
Alarm Output A
Alarm Output B
These are negative DC (open collector transistor) outputs,
each of which activates when the A800 detects that one or
more of the respective bank's inputs is active. The outputs
may be commoned together or used separately to drive a
relay coil or other alarm circuit.
Typical connection (with Murphy AS705/710)
+ VE DC
4
22
1
3
23
24
11 Enable A
A800 enable 8
12 Enable B
Off/reset 13
AUTOSTART
705 / 710
Input 3 18
Input 4 19
Fuel
Start
Alarm
1
OV
CONTROL SYSTEMS & SERVICES DIVISION
PO Box 1819, Rosenberg, Texas 77471, USA
tel: +1 281 633 4500
fax: +1 281 633 4588
email: [email protected]
FW Murphy
PO Box 470248
Tulsa, Oklahoma 74147, USA
tel: +1 918 317 4100
fax: +1 918 317 4266
email: [email protected]
web: www.fwmurphy.com
Positive DC power supply
Negative DC power supply
Input channels 1 – 4 (Bank A)
Input channels 5 – 8 (Bank B)
Connect these inputs to the remote status or fault contacts.
Set internal switches 6 – 9 (as shown left) to match the active
contact state (open or closed, to/from positive or negative DC).
Enable Bank A
Enable Bank B & Override Timer
Connection to positive DC enables the operation of each
bank of inputs. Applying positive DC to pin 12 also initiates
the alarm override timer, which can be used to further hold
off the operation of either bank (note c left).
A
va
D
is
Notes:
a) Sets the A800 for use with 12V or 24V DC systems.
b) Set these switches to match the active input state for each bank,
i.e. remote contacts closed or open when active (e.g. during fault),
switching to/from positive or negative DC.
c) These switches determine whether the override timer (details below)
is assigned (or not) to each bank of inputs, further holding off the
operation of their respective LEDs and alarm outputs.
d) These switches set the operation type of each bank of inputs:'Alarm' sets each bank to act as a 4 channel, first out and latching
alarm system. The first fault received is displayed and latched on
(even if that bank's enable terminal is subsequently made open
circuit). The A800 ignores any input on that bank which
subsequently becomes active.
Function
co
Switch No
& function
1 2 3 4 5 6 7 8 910
Bank A
Pin
Configuration
ON
Alarm input override timer
< 3 to > 60 secs, clockwise to increase
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bi in
lit u
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Channel 1
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MESSAGE 1
INDUSTRIAL PANEL DIVISION
PO Box 470248
Tulsa, Oklahoma 74147, USA
tel: +1 918 317 4100
fax: +1 918 317 4266
email: [email protected]
web: www.fwmurphy.com
13 Reset
A800
15 Alarm A
16 Alarm B
2
14
3
4
5
Inputs
1–4
(bank A)
6
7
8
9
Inputs
5–8
(bank B)
10
Lamp
Test
MURPHY DE MEXICO S.A. DE C.V.
Blvd. Antonio Rocha Cordero 300, Fracción del
FRANK W. MURPHY LTD.
Aguaje San Luis Potosí, S.L.P. México 78384
tel: +52 444 8206264
Church Rd, Laverstock, Salisbury, SP1 1QZ, UK
tel: +44 1722 410055
fax: +52 444 8206336
fax: +44 1722 410088
Villahermosa office tel: +52 993 3162117
email: [email protected]
email: [email protected]
web: www.fwmurphy.co.uk
web: www.murphymex.com.mx
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.
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