IC697PWR720

IC697PWR720
1
Power Supplies
IC697PWR720
11
Power Supply Adapter Module
GFK-0626D
August 1997
Power Supply Adapter Module (IC697PWR720)
datasheet GFK-0626D
Features
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a44940
Interfaces an external power supply to an IC697 rack
Single-slot module
Plugs into power supply slot in rack
Easy connection to power supply
Functions
This Power Supply Adapter Module (PSA) for the
IC697 I/O system is a single-slot module that plugs into
the power supply slot, which is the leftmost slot in an
IC697 rack. The PSA module must be connected to an
external power supply through a cable. The external
power supply can be an IC697 power supply module
(see GFK-0717), or other external power supply.
The +5, +12, and –12 VDC outputs, as well as the 5V
remote sense, which are generated by an external
power supply are connected to the IC697 rack
backplane through the PSA. The maximum currents
that can be supplied to the backplane through the PSA
are: 18 amps on the +5 volt output, 2 amps on the +12
volt output, and 1 amp on the –12 volt output.
The PSA monitors the +5 volt output and the ttl
compatible Input Power OK signal (TTL) from the
external power supply. The Input Power OK signal
(TTL) indicates that the external power supply input
voltage is adequate to maintain hold-up time for an
orderly system shutdown. The PSA also develops two
backplane signals, ACFAIL* and SYSRESET*, which are
for the power-up/power-down sequence.
The external power supply must provide adequate
hold-up time (5.05 milliseconds minimum, per
ANSI/IEEESTD1014-1987) as well as an Input Power
OK signal (TTL) to ensure an orderly system shutdown
when power is removed.
t
Series 90 -70 Programmable Controller Data Sheet Manual
GFK-0600F
NC
1PL–1
0V
1PL–2
0V
1PL–3
0V
1PL–4
0V
1PL–5
5V
1PL–6
5V
1PL–7
5V
1PL–8
5V
1PL–9
CKT
NAME
CKT
NAME
TERM
NO
TERM
NO
NC
1PL–10
12V
1PL–11
12V
1PL–12
5VS
1PL–13
0VS
1PL–14
TTL
1PL–15
JP1
1PL–16
JP0
1PL–17
NC
1PL–18
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PWR 720
WARNING
EVEN IF THE POWER SUPPLY
IS SWITCHED OFF, HAZARDOUS
VOLTAGES FROM USER FIELD
WIRING MAY STILL BE PRESENT
ON THE I/O TERMINAL BOARDS
AS WELL AS THE POWER
SUPPLY TERMINAL BOARD.
CARE SHOULD BE TAKEN WHEN
HANDLING THE POWER SUPPLY
AND I/O MODULES AS WELL AS
ANY WIRING CONNECTED TO
THEM IN ORDER TO PREVENT
PERSONAL INJURY.
WARNING
DO NOT REMOVE OR INSERT
MODULES WITH POWER APPLIED.
PERSONAL INJURY, SYSTEM
MALFUNCTION AND/OR DAMAGE
TO THE EQUIPMENT MAY OCCUR.
MODULE IC697PWR720
LABEL44A726758–504R01
It is recommended that the external power supply have
a +5V Remote Sense. When the Remote Sense is
connected to the PSA terminal board (positive remote
sense to +5VS and negative to 0VS) the +5 volts at the
backplane will be regulated to the level set by the power
supply.
11-1
Power Supplies
2
GFK-0626D
August 1997
Power Supply Adapter Module
The LED indicator on the PSA is ON when the +5 volt
output is in regulation at the backplane and the TTL
signal from the power supply indicates that the power
supply input voltage is adequate to maintain hold-up
time for an orderly system shutdown. This TTL signal
can be positive or negative logic. Two terminals on the
PSA terminal board (JP1 and JP0) are available for
selecting the logic state. If positive logic (Input Power
OK if TTL = high), no jumper is required; if negative
logic (Input Power OK if TTL = low), a jumper is
required between terminals JP1 and JP0.
Mounting
The Power Supply Adapter is a single-slot module that
plugs into the power supply slot, which is the leftmost
slot of an IC697 rack. It connects to the external power
supply module through a cable that has one end
connected to the power supply. The free end of the
cable should have spring spade or ring lugs which must
be connected to designated terminals on a terminal
board on the Power Supply Adapter. This terminal
board is accessed by opening the hinged door on the
Power Supply Adapter module.
Operation of the Power Supply Adapter
This Power Supply Adapter Module operates from +5
VDC power which it receives from the +5 VDC power
bus on the IC697 rack backplane.
Power Supply Adapter Module Door
The Power Supply Adapter door can easily be opened
by grasping the upper left corner of the door with your
right thumb or a fingernail and gently pulling the door
towards you. Use care when opening the door since
pulling from the bottom can cause the hinge or the door
to break.
Dual Rack Operation
A single external power supply can provide power for
two racks. In this application, the PSA must be installed
in the first rack. For detailed information on this
application, refer to the applicable Programmable
Controller Installation Manual.
a44936
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LOGICPOWER
POWERSUPPLY
POWERSUPPLY
ADAPTER
OK
OK
OK
OK
RUN
PGMRACTIVE
USER 1
CH 1 OK
ENABLED
BUSACTIVE
USER 2
CPU
BUS
PROGRAMMABLE
Bus
INPUT
INPUT
INPUT
OUTPUT
OUTPUT
TRANSMITTER
COPROCESSOR
CONTROLLER
120VAC
120VAC
120VAC
120VAC, 05A
120VAC,.05A
PROGRAMMABLE
CONTROLLER
Figure 1. Location of Power Supply Adapter Module in an IC697 PLC Installation
11-2
t
Series 90 -70 Programmable Controller Data Sheet Manual
GFK-0600F
Power Supplies
3
GFK-0626D
August 1997
Power Supply Adapter Module
Table 1. Specifications for IC697PWR720 [
+5.02 to +5.12 VDC (5.07 volts nominal)
Power Supply Voltage to Rack Backplane:
+11.58 to +12.42 VDC (+12 volts nominal)
–11.4 to –12.6 VDC (–12 volts nominal)
Power Supply Current to Rack
+5 VDC at 18A
Backplane: (maximum with PSA only)
+12 VDC at 2A
–12 VDC at 1A
Current Required from 5 V Bus
50 mA (.250W)
VME
System designed to support the VME standard C.1
[ Refer to GFK-0867B, or later for product standards and general specifications. For installations requiring compliance to more
stringent requirements (for example, European Union), refer to Installation requirements for Conformance to Standards.
Table 2. Ordering Information
Description
Power Supply Adapter module
Power Supply Extension Cable (includes cable and faceplate
for vacant power supply slot in second rack)
Catalog Number
IC697PWR720
IC697CBL700
Note: For Low Temperature Testing option please consult the factory for price and availability.
t
Series 90 -70 Programmable Controller Data Sheet Manual
GFK-0600F
11-3
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