Datasheet
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1.888.KEITHLEY (U.S. only)
A GREATER MEASURE OF CONFIDENCE
Model 7707 Specifications
SWITCH/MEASURE SYSTEMS
30
Integra Series Multimeter/Switch Systems
Modules
Channel 12 Channel 14
HI
LO
Sense
HI
LO
Input
To
Internal
DMM
Channel 17
(see Note)
Backplane
isolation
Channel 16
(see Note)
Backplane
isolation
NOTES Channels 15–17 in this schematic
refer to the designations used for
control and not actual available channels.
For more information, refer to the
ROUTe:MULT command section
in the Model 2700, 2701, or 2750 User’s Manual.
Bit
1–16
Channel 11
DIO
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Digital I/O
Bit
17–32
Channel 13
DIO
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Digital I/O
Channel 1
HI
LO
Channel 5
HI
LO
(Channels 2–4)
Channel 6
HI
LO
Channel 10
HI
LO
(Channels 7–9)
Channel 15
2-Pole (Open)
4-Pole (Closed)
(see Note)
Card Sense
HI
LO
Card Input
HI
LO
7707 MULTIPLEXER-DIGITAL I/O MODULE
GENERAL
10 CHANNELS: 10 channels of 2-pole relay input.
All channels configurable to 4-pole.
RELAY TYPE: Latching electromechanical.
ACTUATION TIME: <3ms.
FIRMWARE: Specified for Model 2700 rev. B03, 2701 rev. A01, and 2750 rev. A01
or higher.
CAPACITY: Model 2700: (1) 7707 and (1) 77XX, except 7706.
Model 2701: Any combination of 77XX modules.
Model 2750: (4) 7707 and (1) 77XX, except 7706. A 7706 module may be
substituted for a 7707 module.
CAPABILITIES
CHANNELS 1–10: Multiplex one of 10 2-pole or one of 5 4-pole signals into DMM.
CHANNELS 11–14: 32 Digital Inputs/Outputs referenced to chassis ground.
THERMAL PROTECTION: Channels 11–14 are thermally protected to 1A.
INPUTS (CHANNELS 1–10)
MAXIMUM SIGNAL LEVEL: Any Channel to Any Channel (1–10): 300VDC or
300Vrms (425V peak) for AC waveforms, 1A switched, 60W, 125VA maximum.
SAFETY CATEGORY: Conforms to European Union Directive 73/23/EEC EN 61010-1,
CAT I.
CONTACT LIFE (typ.): >10
5
operations at max. signal level: >10
8
operations cold
switching.
CONTACT RESISTANCE: <1Ω any path and additional 1Ω at end of contact life.
CONTACT POTENTIAL: <6µV typical per contact pair and additional 5µV with
Channels 11–14 at rate V
OUT
(L).
OFFSET CURRENT: <100pA.
CONNECTOR TYPE: 50-pin male D-shell, Channels 11–14.
25-pin female D-shell, Channels 1–10.
Supplied with female and male IDC ribbon cable connectors.
ISOLATION BETWEEN ANY TWO TERMINALS: >10
9
Ω, <100pF with isolation chan-
nels 16 and 17 open.
ISOLATION BETWEEN ANY TERMINAL AND EARTH: > 10
9
Ω, <200pF.
CROSS TALK (10MHz, 50Ω Load): <–35dB.
INSERTION LOSS (50Ω Source, 50Ω Load): <0.1dB below 1MHz.
<3dB below 2MHz.
COMMON MODE VOLTAGE: 300VDC or 300Vrms (425V peak) for AC waveforms
between any terminal and chassis.
DIGITAL INPUT/OUTPUT (CHANNELS 11–14)
V
IN
(L): <0.8V (TTL).
V
IN
(H): >2V (TTL).
V
OUT
(L): <1.0V @ I
OUT
= 100mA.
V
OUT
(H): >2.4V @ I
OUT
= 1mA.
V
OUT
(H)MAX.: <40V with external open drain pull-up.
READ/WRITE SPEED: 50/s.
ENVIRONMENTAL
OPERATING ENVIRONMENT: Specified for 0°C to 50°C.
Specified to 50% R.H. at 35°C.
STORAGE ENVIRONMENT: –25°C to 65°C.
WEIGHT: <0.5kg (1.1 lbs).
ACCESSORIES AVAILABLE:
Model 7790 50/50/25 Pin Female/Male D-Shell IDC Connectors
Model 7705-MTC-2 50 Pin Male to Female DSUB Cable, 2m (6.6 ft).
Model 7707-MTC-2 25 Pin Male to Female DSUB Cable, 2m (6.6 ft).
FEATURES
• 10 channels of analog input for general-purpose measurement.
• 32 channels of digital input and output (four 8-bit ports) for I/O control.
• 300V, 1A capacity; 60W, 125VA maximum (analog).
• Configurable as two independent banks of multiplexers.
• 33V, 100mA capacity (digital).
•Two mating IDC connectors supplied.
• Digital outputs are short circuit protected.
• Relay closures stored in on-board memory.