Xycom XVME-500 User manual

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XVME-500/590 Manual
February, 1988
Chapter 1
MODULE DESCRIPTION
1.1 INTRODUCTION
The XVME-500 and XVME-590 are Analog Input VMEbus-compatible boards. The
XVME-500 is a single-high (3U), single-wide module, and the XVME-590 is a double-
high (6U), single-wide module. These two modules are capable of performing
analog-to-digital conversions with 12-bit resolution. These modules provide 16
single-ended (SE), or 8 differential input (DI) analog input channels.
Adding an XVME-910 channel expansion kit allows analog input expansion to 32 SE
and 16 DI channels. See Appendix A for XVME-910 specifications.
The XVME-500 and XVME-590 modules are available in any of three different
versions:
1)
XVME-500/ 1 and XVME-590/ 1 - fixed gain amplifier with 25uSec
conversion time*
2)
XVME-500/2 and XVME-590/2 - programmable gain amp with 25uSec
conversion*
3)
XVME-500/3 and XVME-590/3 - programmable gain amp with 10uSec
conversion*
* See Table l-l, Section 1.3 for additional information on conversion time,
settling time and throughput frequency for each version.
1.2 MANUAL STRUCTURE
The first chapter is an overview introducing the user to the XVME-500 and XVME-
590 general specifications and functional capabilities. Successive chapters develop
the various aspects of module specification and operation in the following manner:
Chapter One - A general discussion of the three Analog Input Module versions,
including complete functional and environmental specifications, VMEbus
compliance information, and detailed block diagrams.
Chapter Two - Module installation information covering specific system
requirements, jumpers and connector pinouts.
Chapter Three - Information required to program the module for analog input
operations.
Chapter Four - Procedures for analog input module calibration.
1-1
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XVME-500/590 Manual
February, 1988
Appendices - The Appendices are designed to provide additional information in
terms of the XVME-9 10 channel expansion kit; backplane signal/pin
descriptions; block diagram, assembly illustration and schematics; and a quick
reference section.
1.3 MODULE OPERATIONAL DESCRIPTION
Figure l-1 shows the operational block diagram of the XVME-500 and Figure 1-2
shows the operational block diagram of the XVME-590 Analog Input Module.
1-2
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XVME-500/590 Manual
February, 1988
1.3.1 Application Circuitry
As the previous block diagrams show, the analog-to-digital circuitry in the XVME-
500 or XVME-590 consists of the following parts:
VMEbus interface circuitry
Fixed gain amplifier (version 1 only)
Programmable gain amplifier (versions 2 & 3 only)
32-element RAM buffer to hold and separate gain value for up to 32
analog inputs (versions 2 & 3 only)
12-bit resolution analog-to-digital converter with input ranges of
+5V, +lOV or O-10 volts
Two eight-channel multiplexers allowing up to 16 SE or 8 DI
signals to be connected to the ADC (expansion kit allows double
signal input); directed by software to select one channel for data
conversion
Resistor programmable gain with addition of a resistor and a
potentiometer
1.3.2 General Operation
As stated before, there are three different versions that the XVME-500 and XVME-
590 are available in and they are:
XVME-500/ 1
XVME-590/l
XVME-500/2 XVME-590/2
XVME-590/3 XVME-590/3
On all versions, the analog input channels can be configured for bipolar or unipolar
operations. The unipolar range is O-10 volts. The bipolar ranges include 25V and
lfil ov.
Gain capabilities, conversion speeds and throughput frequencies vary with each
version, as displayed in Table 1-l.
1-5
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XVME-500/590 Manual
February, 1988
Table l-l
Versions
Version Conversion Time Settling Time Throughput Frequency
XVME-500/ 1 25uSec 25uSec 20KHz
XVME-590/ 1 25uSec 25uSec 20KHz
XVME-500/2 25uSec
10 uSec
28.5KHz
XVME-590/2 25uSec 10uSec 28.5KHz
XVME-500/3 10uSec 10uSec 50KHz
XVME-590/3 10uSec 10uSec 50KHz
1.
Two types of differential amplifiers are available: fixed gain (version 1 of both
modules) and programmable gain (version 2 & 3 of both modules).
The fixed-gain amp offers jumper-selectable gains of xl, x10, xl00 and x1000. In
addition, the fixed-gain amp may offer resistor-programmable gain (to any number
between 1 and 1000) if a resistor (Rl0) and potentiometer (R13) are added (see
Section 2.6.4.3).
The programmable amplifier provides three ranges of jumper-selectable programmable
gains (see Section 2.6.4.-l). Range 1: xl, x2, x5 and x10. Range 2: x4, x8, x20
and x40. Range 3: x10, x20, x50 and x100. A 32-element RAM buffer is provided
with the programmable amps to hold separate gain values for the 32 analog inputs.
Within each range, the four options are software-programmable.
XYCOM’s XVME-500 and XVME-590 are designed to be addressed within the VMEbus
defined 64K Short I/O Address Space. The module address is jumper-selectable to
any of the sixty-four 1K boundaries within the Short I/O Address Space. There are
three 8-bit registers which are used for channel status, control-setting interrupt
vector, programmable gains (versions 2 & 3 on both modules) and channel selection.
In addition, there is a 16-bit data register for reading converted digital data.
1.4 SPECIFICATIONS
The following table lists the electrical, environmental, and VMEbus compliance
specifications for the XVME-500 and XVME-590 Analog Input Modules:
1-6
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XVME-500/590 Manual
February, 1988
Table 1-2
XVME-500 and XVME-590 Analog Input Module Specifications
. Characteristic Specification
Number of Channels
Single-ended 16 (32 optional)
Differential 8 (16 optional)
Supply Voltage
+5 VDC, ~5%
Supply Current
Maximum
Typical
1.90 A
1.60 A
Accuracy
Resolution
Linearity
Differential Linearity
Monotonicity
12 bits
+0.5 LSB
50.5 LSB
Guaranteed*
System Accuracy
Gain = 1
Gain = 10
Gain = 100
+0.0l% FSR, max.
+0.l% FSR, max.
+0 1% FSR, max.
System Accuracy Temperature Drift
Gain = 1
40 ppm/Degree C, max.
Gain = 10
75 ppm/Degree C, max.
Gain = 100
110 ppm/Degree C, max.
Common Mode Rejection Ratio 60db min.
Analog-to-Digital Input (Gain = 1)
Full Scale Voltage Ranges
Unipolar
Bipolar 0-10V
+5v, +lOV
1-7
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XVME-500/590 Manual
February, 1988
Table 1-2 (cont’d)
Characteristic Specification
Programmable Gain (versions 2 & 3)
Range 1
Range 2
Range 3
Fixed Gain (version 3)
Resistor programmable
Maximum Input Voltage
Power on
Power off
Input Impedance
w 1OM ohm resistor
w/o 1OM ohm resistor
Bias Current
Input Capacitance
Operating Common Mode Voltage
Speed
Conversion Time
versions 1 & 2
version 3
Throughput Frequency
version 1
version 2
version 3
Settling Time
version 1
versions 2 & 3
1, 2, 5,
or 10
4, 8, 20 or 40
10, 20, 50, or 100
xl, x10, x100, xl000
+35v
+2ov
1OM ohm min.
1OOM ohm min.
+ 1 OOnA max.
1 OOpf max.
14v
12-bit
25uSec
10uSec
8-bit
17uSec
6.8uSec
20KHz
23.8KHz
28.5KHz 37KHz
50KHz 59.5KHz
25uSec
10uSec
25uSec
10uSec
External Trigger-to-Sample 10 or 20uSec 10, 25uSec
1-8
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XVME-500/590 Manual
February, 1988
Table l-2 (cont’d)
Characteristic Specification
Environmental Specifications
Temperature
Operating
Non-operating
O” to 65O C
-4OO to 85O C
Humidity
Operating 5 to 95% RH non-
condensing
Shock
Operating 30g peak acceleration
11 mSec duration
Non-operating 50g peak acceleration
11 mSec duration
Vibration
Operating 5 to 2000Hz
.015 in. peak-to-peak
2.5g max
Non-operating 5 to 2OOOHz
.030 in. peak-to-peak
5.Og max
VMEbus Compliance
0Complies with VMEbus specification Revision C.l
0 A16:D16/D08(EO) DTB Slave
lInterrupter -I(1) -1(7)(STAT), ROAK
0 Interrupter Vector - D08(0) (DYN)
a Form Factor - SINGLE (XVME-500)
0 Form Factor - DOUBLE (XVME-590)
l-9
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XVME-500/590 Manual
February, 1988
XVME-540 Compatibility
All address locations for analog input are identical
0All bit definitions for registers are the same EXCEPT there are no
LEDs
Channel register/counter now
reset; the
540 powers-up randomreceives reset software power-up
lNo fast convert in single channel mode
l-10
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XVME-500/590 Manual
February, 1988
Chapter 2
INSTALLATION
2.1 GENERAL
This chapter provides the information needed to configure and install the Analog
Input Module.
2.2 SYSTEM REQUIREMENTS
The XVME-500 Analog Input Module is single-height (3U), and the XVME-590 is a
double-height (6U) VMEbus-compatible module. To operate, it must be properly
installed in a VMEbus backplane cardcage. The minimum system requirements for
operation of the module are one of the following:
A)
A host processor installed in the same backplane
A properly installed controller subsystem. An example of such a
subsystem is the XYCOM XVME-010 System Resource Module.
B)
A host processor which incorporates an on-board controller subsystem
(such as the XVME-600 68000 Processing Module).
2.3 LOCATION OF COMPONENTS RELEVANT TO INSTALLATION
The jumpers, calibration potentiometers and connectors on the XVME-500 are
illustrated in Figure 2-1. Figure 2-1A shows the XVME-500 jumpers which have
multiple options. Figure 2-2 shows the jumpers, calibration potentiometers and
connectors on the XVME-590. Figure
2-2A shows the XVME-590 jumpers which
have multiple options.
2-1
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