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OPERATING INSTRUCTIONS
FP-QUAD-510
4-Axis, Quadrature Input Module
These operating instructions describe the installation, features, and
characteristics of the FP-QUAD-510. For details on configuring
and accessing the FP-QUAD-510 over a network, refer to the user
manual for the particular FieldPoint network module you are using
with the FP-QUAD-510.
Features
The FP-QUAD-510 is a FieldPoint quadrature input module with
the following features:
•
Four independent 32-bit position counters with individual
Phase A, Phase B, and Index input terminals
•
Velocity measurement capabilities
•
Programmable reset on index mode
•
Sinking inputs, compatible with TTL or differential devices
•
Inputs protected to ±250 VDC
•
Hot plug and play operation
•
2,500 Vrms input-to-output isolation
•
Double insulated for 250 V safe working voltage
Power Requirement
The FP-QUAD-510 is powered via the local backplane bus from
the FieldPoint network module. The FP-QUAD-510 is a
high-power consumption module and requires more than the
nominal power allocated to an I/O module from the network
module. In some applications, this could limit the number of I/O
modules that you can connect to a single network module.
FieldPoint™, National Instruments™, and ni.com™ are trademarks of National Instruments Corporation. Product and
company names mentioned herein are trademarks or trade names of their respective companies.
322633B-01
© Copyright 2000 National Instruments Corp. All rights reserved.
March 2000
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Summary of Contents for National Instruments Quadrature Input Module FP-QUAD-510
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Page 1: Power Requirement
In some applications, this could limit the number of I/O modules that you can connect to a single network module. FieldPoint™, National Instruments™, and ni.com™ are trademarks of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies. -
Page 2: Installation
When defining a FieldPoint system that uses an FP-QUAD-510 module, you must calculate the power consumption. First refer to the specifications section in the user manual for your network module. The maximum number of terminal bases per bank multiplied by 1 watt is the total power the network module can supply. -
Page 3: Field Wiring
+5 V encoder is also provided for each axis. If you require other encoder power voltages, reference an external supply to either the C terminal or the COM terminal. – Figure 2. Basic Field Connections to Differential Encoders © National Instruments Corp. Latch Alignment Slot Figure 1. Install Your Module +5 V –A... - Page 4 – Figure 3. Basic Field Connections to Single-Ended Encoders The FP-QUAD-510 supports differential inputs for Phase A, Phase B, and Index signals. You can easily accommodate encoders with various phase relationships by swapping the signals and/or connecting them to the inverting inputs as specific applications require.
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Page 5: Status Indicators
FP-QUAD-510, it sends initial configuration information to the FP-QUAD-510. After receiving this initial information, the green READY indicator lights and the FP-QUAD-510 is in its normal operating mode. © National Instruments Corp. Table 1. Terminal Assignments Terminal Numbers Axis 1 Figure 5. - Page 6 Position Counter Operation Each position counter has a 32-bit binary counter that represents the current position of the shaft connected to the axis. Channels 0 through 3 contain the lowest 16 bits of these counters for axes 0 through 3 respectively. Channels 4 through 7 contain the uppermost 16 bits for axes 0 through 3 respectively.
- Page 7 However, the data from these ranges has a coarser resolution. The slower ranges have a finer resolution, but the data is an average velocity over a longer period of time. © National Instruments Corp. FP-QUAD-510...
- Page 8 Length of Timebase (in µs) 204.8 409.6 819.2 1638.4 3276.8 6553.6 13107.2 26214.4 The velocity range is the maximum velocity that can be measured for a given timebase. The velocity register uses a 15-bit counter, which gives a maximum number of counts of 2 velocity range for a given timebase is calculated using the following formula: where V...
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Page 9: Isolation And Safety Guidelines
• Do not share the external supply voltages (V and C on the terminal base) with other devices (including other FieldPoint devices), unless those devices are isolated from human contact. © National Instruments Corp. Position Counter Operation) is FP-QUAD-510... - Page 10 • As with any hazardous voltage wiring, make sure that all wiring and connections meet applicable electrical codes and common sense practices. Mount terminal bases in an area, position, or cabinet that prevents accidental or unauthorized access to wiring that carries hazardous voltages. •...
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Page 11: Specifications
Environment Operating temperature ... –40 to +70 °C Storage temperature ... –55 to +85 °C Relative humidity... 5% to 90%, non-condensing © National Instruments Corp. = 0.0–0.8 V = 2.0–250.0 V falls between 0.0 and 3.0 V and the other input falls between 0.0 and 250 V... - Page 12 CE Mark Compliance This product meets applicable EU directive(s), as follows: Safety isolation ... EN 61010 (double insulation EMC directive Immunity ... EN 50082-1:1994 Emissions ... EN 55011:1991 Group I Mechanical Dimensions Figure 7 shows the mechanical dimensions of the FP-QUAD-510 installed on a terminal base.
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