Digital I/O
1
Software &
Utilities
cPCI-7248/7249R
48-CH DIO & Timer/Counter Cards
2
DAQ
CompactPCI
Introduction
3
The ADLINK cPCI-7248 and cPCI-7249R are 48-channel parallel digital input/output (DIO) Cards for the
PXI/CompactPCI form factor. The cPCI-7248 and cPCI-7249R devices emulate mode 0 of the industry standard 8255
Programmable Peripheral Interface (PPI) chips. Each PPI offers three 8-bit ports: Port A, Port B and Port C. The Port
C is divided into 2 nibble-wide (4-bit) ports.
PXI
The cPCI-7248 and cPCI-7249R devices have programmable timer/counters. One 16-bit counter is available for event
counting, while the other 32-bit timer is available for timed interrupt generation. The cPCI-7248 and cPCI-7249R
devices provide multiple programmable interrupt sources from DIO channels, as well as the output of the timer.
The cPCI-7249R is the extended version of the cPCI-7248, which features one more latch register and rear I/O connectivity.
4
Modular
Instruments
cPCI-7248
5
GPIB & Bus
Expansion
Pin Assignment
Specifications
Features
■
ꢀ 3UꢀEurocardꢀformꢀfactor,ꢀCompactPCIꢀcompliant
Digital I/O
■
cPCI-7248
cPCI-7249R
(PICMG 2.0 R2.1)
Number of channels: 48 inputs/outputs
Compatibility: 5 V/TTL
Power-on states:
pull-high, pull-low, floating (programmable)
6
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■
■
■
■
■
■
■
■
■
■
■
ꢀ 48-CHꢀdigitalꢀTTLꢀinputs/outputs
P1A0
P1A1
P1A2
P1A3
P1A4
P1A5
P1A6
P1A7
P1B0
P1B1
P1B2
P1B3
P1B4
P1B5
P1B6
P1B7
P1C0
P1C1
P1C2
P1C3
P1C4
P1C5
P1C6
P1C7
+5Vout
P2A0
P2A1
P2A2
P2A3
P2A4
P2A5
P2A6
P2A7
P2B0
P2B1
P2B2
P2B3
P2B4
P2B5
P2B6
P2B7
P2C0
P2C1
P2C2
P2C3
P2C4
P2C5
P2C6
P2C7
+12Vout
EVENT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5Vout
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
P1A0
P1A1
PA12
P1A3
P1A4
P1A5
P1A6
P1A7
P1B0
P1B1
P1B2
P1B3
P1B4
P1B5
P1B6
P1B7
P1C0
P1C1
P1C2
P1C3
P1C4
P1C5
P1C6
P1C7
+5Vout
P2A0
P2A1
P2A2
P2A3
P2A4
P2A5
P2A6
P2A7
P2B0
P2B1
P2B2
P2B3
P2B4
P2B5
P2B6
P2B7
P2C0
P2C1
P2C2
P2C3
P2C4
P2C5
P2C6
P2C7
EVENT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5Vout
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
EXTCLK
+12Vout
1
2
3
4
5
6
7
8
9
51
52
53
54
55
56
57
58
59
1
2
3
4
5
6
7
8
9
51
52
53
54
55
56
57
58
59
■
Motion
Control
ꢀ Emulatesꢀ4/2/1ꢀindustryꢀstandardꢀ8255ꢀPPIꢀ(modeꢀ0)
ꢀ Bufferedꢀcircuitsꢀforꢀhigherꢀdrivingꢀcapability
ꢀ Portsꢀareꢀindependentlyꢀconfigurableꢀasꢀinputꢀorꢀoutput
ꢀ Externalꢀlatchꢀsignalꢀavailableꢀforꢀdigitalꢀinputs
Output status read back
■
Digital logic levels
ꢀ ꢀ •ꢀInput high voltage: 2-5.25 V
ꢀ ꢀ •ꢀInput low voltage: 0-0.8 V
ꢀ ꢀ •ꢀOutput high voltage: 2.4 V minimum
ꢀ ꢀ •ꢀOutput low voltage: 0.5 V maximum
7
■
Output driving capacity
Real-time
Distributed
I/O
ꢀ ꢀ •ꢀSource current: 15 mA
ꢀ Knownꢀpower-upꢀstates
10 60
11 61
12 62
13 63
14 64
15 65
16 66
17 67
18 68
19 69
20 70
21 71
22 72
23 73
24 74
25 75
26 76
27 77
28 78
29 79
30 80
31 81
32 82
33 83
34 84
35 85
36 86
37 87
38 88
39 89
40 90
41 91
42 92
43 93
44 94
45 95
46 96
47 97
48 98
49 99
50 100
10 60
11 61
12 62
13 63
14 64
15 65
16 66
17 67
18 68
19 69
20 70
21 71
22 72
23 73
24 74
25 75
26 76
27 77
28 78
29 79
30 80
31 81
32 82
33 83
34 84
35 85
36 86
37 87
38 88
39 89
40 90
41 91
42 92
43 93
44 94
45 95
46 96
47 97
48 98
49 99
50 100
ꢀ ꢀ •ꢀSink current: 24 mA
ꢀ Onboardꢀ8254ꢀtimer/counterꢀchip
■
External digital input latch available on cPCI-7249R
Data transfers: programmed I/O
■
1-CH 16-bit event counter to generate event interrupt
ꢀ 1-CHꢀ32-bitꢀtimerꢀtoꢀgenerateꢀwatchdogꢀtimerꢀinterrupt
Multiple programmable interrupt sources
ꢀ +12ꢀVꢀandꢀ+5ꢀVꢀpowerꢀavailableꢀonꢀtheꢀconnector
ꢀ Onboardꢀresettableꢀfusesꢀforꢀpowerꢀoutputꢀprotection
ꢀ RearꢀI/OꢀavailableꢀonꢀcPCI-7249R
Interrupt
■
8
Interrupt #0 sources
ꢀ ꢀ •ꢀP1C0
PAC
ꢀ ꢀ •ꢀP1C3
ꢀ ꢀ •ꢀ16-bit event counter
■
Interrupt #1 sources
ꢀ ꢀ •ꢀP2C0
ꢀ ꢀ •ꢀP2C3
9
ꢀ ꢀ •ꢀ32-bit timer (based on 2 MHz internal clock)
■ꢀOperating Systems
Remote I/O
General Specifications
■
ꢀ
ꢀ
•ꢀWindows 7/Vista/XP/2000/2003
•ꢀLinux
I/O connector : One 100-pin SCSI-II female
Operating temperature: 0˚C to 60˚C
Storage temperature: -20˚C to 80˚C
Relative humidity: 5% to 95%, non-condensing
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■
■ꢀRecommended Software
■
10
ꢀ
ꢀ
ꢀ
•ꢀAD-Logger
■
Power requirements
Communi-
cations
+5 V
Device
•ꢀVB.NET/VC.NET/VB/VC++/BCB/Delphi
•ꢀDAQBench
470 mA typical
700 mA typical
cPCI-7248
cPCI-7249R
■ꢀDriver Support
■
Dimensions (not including connectors)
160 mm x 100 mm
11
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
•ꢀDAQPilot for Windows
•ꢀDAQPilot for LabVIEW™
•ꢀDAQ-MTLB for MATLAB®
•ꢀPCIS-DASK for Windows
•ꢀPCIS-DASK/X for Linux
Vision
Terminal Boards & Cables
■ꢀDIN-100S-01
ꢀ
Terminal Board with One 100-pin SCSI-II Connector
and DIN-Rail Mounting (Cables are not included.)
12
■ꢀACL-102100-1
100-pin SCSI-II cable (mating with AMP-787082-9), 1 M
Fanless
Embedded
Computers
ꢀ
* For more information on mating cables, please refer to
P2-59/60.
Ordering Information
13
■ꢀcPCI-7248
48-CH DIO & Timer/Counter Card
cPCI &
Industrial
Computers
+12Vout +12Vout
■ꢀcPCI-7249R
48-CH DIO & Timer/Counter Card with Rear I/O
Note:
RearꢀI/OꢀversionꢀcanꢀnotꢀbeꢀusedꢀinꢀPXIꢀchassisꢀdueꢀtoꢀsignalsꢀ
conflictꢀwithꢀPXIꢀbus
2-50
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