LGR-5320 Series
Stand-Alone, High-Speed, Multifunction Data Loggers
Features• 16-bit analog inputs• Up to 200 kS/s sample rate
• 16 TTL or industrial digitalinputs• Single Form C relay digital
output; configurable fortriggering/alarming• 4 counter inputs; quadrature
available• 8 GB Secure Digital (SD)memory card included;
supports up to 32 GB
LGR-5320 Series of high-speed, stand-alone data loggers allow users to collect correlated
analog and digital data without a computer

Overview
The LGR-5320 Series are high-speed, stand-alone data loggers for analog and digital signals. Each device offers 16 analog inputs, 16 digital inputs, one single Form
C relay (0.5 A) digital output for triggering/alarming, and four counter/encoder
inputs. Use these devices to collect high-speed correlated analog and digital data
without a computer.
LGR-5320 devices perform correlated measurements at up to 200 kS/s directly
to a SD or Secure Digital High Capacity (SDHC) memory card. Use the advanced
analog and digital triggering options to collect data and monitor systems andevents without dedicating a computer. With the easy-to-use DAQLog software(included), you can configure LGR-5320 loggers to retrieve data through the USB
interface or SD memory card.

Analog Input
Each LGR-5320 Series data logger includes
16 SE/8 DIFF analog inputs with 16-bit
resolution. The LGR-5325 features analog input gain ranges up to ±10 V. The
LGR‑5327 and LGR-5329 add a ±30 V
analog input range for increased measurement capability.

LGR-5325

The LGR-5327 and LGR-5329 can sample
input data at up to 200 kS/s while theLGR-5325 offers a 100 kS/s sample rate.
Each device can sample all analog, digital,and counter data synchronously, making it easy to compare time between allchannels.
LGR-5327• Push-button controls for fieldoperation• External power supply
includedSoftware• DAQLog™ software to easily set
up, configure, and retrieve data
• Multiple trigger and alarming
functions• csv format supported for easy
import into Excel®

Supported Operating Systems

Correlated, High-Speed
Sampling

LGR-5320 Series Selection ChartFeature• Multichannel analog anddigital triggering

LGR-5329

Sample Rate*

100 kS/s

200 kS/s

200 kS/s

Analog Inputs

16 SE/8 DIFF

16 SE/8 DIFF

16 SE/8 DIFF

Analog Input Range

Up to ±10 V

Up to ±30 V

Up to ±30 V

Digital Inputs**

16-channel TTL

16-channel TTL

16-channel Industrial
IsolatedCounters

4 Conventional

4 Conventional

4 Quadrature

Triggering

Single-channel

Multichannel

Multichannel• Windows® 11/10/8/7/Vista®/
XP 32/64-bit

Configuration, Data Storage,and Retrieval
Each data logger can be configured
through the SD memory card or throughthe onboard USB port. Simply configure
the logging session with the included
DAQLog software. All logging parameters
are captured on the SD memory card.
An 8 GB SD memory card is included
with each data logger. Memory cards up
to 32 GB are supported for extended datacollection. To retrieve data, either remove
the SD memory card from the logger
and upload to a computer, or connect acomputer to the USB port on the logger.

* Sample rates aggregate** Each logger includes one single Form C relay output

Measurement Computing(508) 946-5100

1

info@mccdaq.com

mccdaq.com

LGR-5320 Series
Features
Triggering
LGR-5320 Series data loggers offer multiple triggering options for starting andstopping a data scan. These options varyby model.
•The LGR-5325 features single-channel analog and digital triggering.

•The LGR-5327 and LGR-5329 offer
multichannel and pattern triggering
options.

With multiple trigger options, you cancollect only the data you want. External
clocking is also supported.

Digital I/O
Each data logger includes 16 digital inputs.
These inputs can be sampled synchronously with analog input data.
•The LGR-5325 and LGR-5327 featureup to 28 V digital inputs•The LGR-5329 features up to 30 Vdigital inputs with 500 VDC isolation.

Each data logger also features one digital
output relay channel. You can program
the Form C relay using DAQLog software
to alarm when desired conditions are met.

Counters
Four counter inputs are built into theLGR-5320 Series. The LGR-5325 features
conventional up/down counters. The
LGR-5327 and LGR-5329 have both
quadrature and conventional counter
inputs. Multiple count modes are also
supported.

DAQLog software is included to configure the device, set up channels and logging parameters,
and to retrieve dataPush Button LoggingControls

PowerOnboard one touch logging controls arefeatured on each device can be used fora variety of functions, including:

LGR-5320 Series devices receive powerfrom the 9-30 VDC external supply thatships with each device.

DAQLog Software•Load configuration from SD
memory card•

Start/stop logging•

Force trigger/user event•Reset the device

DAQLog Software is an easy to use application included with each LGR-5320 Series
data logger. DAQLog uses a spreadsheet
style interface that allows simple setup ofchannel and logging parameters.

•Control the status LEDs

DAQLog includes the following functions:Onboard LEDs provide the logging, trigger
and activity status.
Refer to “Controls/indicators” on page
5 for additional information about
the buttons and status LED indicators
on each device.

•Data logger configuration•

Channel setup•

Trigger setup•

Data conversion•

Scan rate and acquisition length•

Trigger, event, and alarm parameters

Data can be saved in .csv format for easy
import into Excel.

Measurement Computing(508) 946-5100

2

info@mccdaq.com

mccdaq.com

LGR-5320 Series
Features
Configuring, Data Logging, and Retrieving Data
Configuration through USB or SD Memory CardLGR-5320

Power 9-30 VDC

Logging parameters are configured using DAQLog software. TheLGR-5320 Series data logger can be set up over a USB connection
or by inserting the SD memory card into a computer.

Data rate, scan length, channel parameters, triggers, and alarms
are all quickly and easily configured using spreadsheet-style setup
pages in DAQLog.

Data Logging
The LGR-5320 Series logs data when pre-defined trigger conditions
are met. You can also start/stop logging and set trigger, alarm,and event conditions with the push-button controls located on
top of the device.

Data Retrieval and Analysis

LGR-5320

Power 9-30 VDCRetrieve data by connecting the logger to a computer throughUSB or by removing the SD memory card and inserting it intoa computer.
Measurement Computing(508) 946-5100

Once data is uploaded to a computer, the .csv file can be opened
in programs such as Excel.

3

info@mccdaq.com

mccdaq.com

LGR-5320 SeriesSpecifications
Triggering

All specifications are subject to change without notice.
Typical for 25°C unless otherwise specified.

Mode
External Digital through DTRIG (pin 76): Software-selectable for rising orfalling edge
External Analog through ATRIG (pin 78, see “External Analog Trigger” below)
Multi-Channel Analog LGR-5327/5329: Level-sensitive based on acquired data.
Digital Pattern Trigger: Triggers when a user-defined 1- to 16-bit digitalpattern is matched on the DIN0-DIN15 pins. Programmable mask bits.
External Digital Trigger Latency
Non-Pretrigger Acquisition: 100 ns typ, 1 µs max
Pretrigger Acquisition: 1 scan period max
External Trigger Pulse Width: 1 µs min
Internal Trigger Latency: 2 * (1/per-channel sample rate)

Analog Input

A/D Converter: 16-bit successive approximation type
Input Ranges: Software-selectable per channel
LGR-5325: ±10 V, ±5 V, ±1 V
LGR-5327/5329: ±30 V, ±10 V, ±5 V, ±1 V
Number of Channels: 8 differential (DIFF)/16 single-ended (SE), software-selectable
Input Configuration: Multiplexed
Absolute Max Input Voltage
LGR-5325: CH_x to AGND, ±25 V max (power ON/OFF)
LGR-5327/5329: CH_x to AGND, ±38 V max (power ON/OFF)
Input Impedance
LGR-5325: ±10 V, ±5 V, ±1 V range, 10 GΩ (power ON), 1 kΩ (power OFF)LGR-5327/5329: ±30 V range, 1 MΩ (power ON), 1 GΩ (power OFF);±10 V, ±5 V, ±1 V range, 10 GΩ (power ON), 1 GΩ (power OFF)
Input Leakage Current: ±100 pA
Input Capacitance±30 V Range, 90 pf; ±10 V, ±5 V, ±1 V range, 55 pf
Max Working Voltage (Signal+ Common Mode): ±30 V range, ±30.05 V;±10 V, ±5 V, ±1 V range, ±10.2 V
Common Mode Rejection Ratio: fin = 60 Hz, ±30 V range, 65 dB min;fin = 60 Hz, all other ranges, 75 dB min
Crosstalk: DC to 25 kHz, adjacent DIFF mode channels, –80 dB
ADC Resolution: 16 bits
Input Bandwidth (–3 dB): All input ranges, 450 kHz min
Input Coupling: DCMax Sample Rate
LGR-5325: 100 kS/s
LGR-5327/5329: 200 kS/s
A/D Pacing Sources: See “Input Sequencer” below
Warm Up Time: 30 minutes, min
Absolute Accuracy: All ranges, 0.07% FSR
Noise: DIFF mode, 2 LSB rms

External Analog Trigger

External Analog Trigger Source: ATRIG input (pin 78)
Analog Trigger Input Ranges
LGR-5325: ±10 V
LGR-5327/5329: ±30 V, ±10 V, software-selectable
Absolute Maximum Input Voltage (ATRIG_IN to AGND)
LGR-5325: ±25 V max (power ON/OFF)
LGR-5327/5329: ±38 V max (power ON/OFF)
Input Impedance
LGR-5325		 ±10 V Range: 10 GΩ (power ON), 1 kΩ (power OFF)
LGR-5327/5329		 ±30 V Range: 1 MΩ (power ON), 1 GΩ (power OFF)		 ±10 V Range: 10 GΩ (power ON), 1 GΩ (power OFF)
Trigger Modes: Configurable for positive or negative slope, level
Trigger/Hysteresis Resolution: 12 bits, 1 in 4096
Trigger/Hysteresis Levels: ±10 V/4096 or ±30 V/4096, software-selectable
Trigger/Hysteresis Accuracy: ±2% of reading, ±50 mV offset
Latency: 1.5 µS
Full Power Bandwidth (–3 dB): 1 MHzDigital Input

Analog Input Calibration

Number of Inputs: 16 channels
Input Type
LGR-5325/5327: TTL
LGR-5329: Industrial
Input Voltage Range
LGR-5325/5327: 0 V to 28 V
LGR-5329: 0 V to 30 V
Input Characteristics
LGR-5325/5327: 47 kΩ pull-down resistor, 39.2 kΩ series resistor
LGR-5329: Resistor divider 39.2 kΩ series resistor and 10 kΩ shunt resistor
connected to IGND
Isolation (LGR-5329 Only): 500 VDC min
Maximum Input Voltage Level
LGR-5325/5327: 32 V (power ON/OFF)
LGR-5329: 36 V (power ON/OFF)
Minimum High-Level Input Voltage Threshold
LGR-5325/5327: 2.0 V max
LGR-5329: 10.04 V max
Maximum Low-Level Input Voltage Threshold
LGR-5325/5327: 0.8 V min
LGR-5329: 3.85 V min
Event Logging: Change of state, pattern recognition
Event time-stamped using real time clock

Calibration Method: Factory calibration
Calibration Interval: 1 year

External Clock Input

External Clock I/O: PACER pin, software-selectable as input or output
Input High Voltage: 2.2 V max
Input Low Voltage: 0.6 V min
Output High Voltage
IOH = –8 mA: 3.8 V min
Output Low Voltage
IOL = 8 mA: 0.4 V max
Pacer Rate
LGR-5325: 100 kHz max
LGR-5327/5329: 200 kHz max
Minimum Pulse Width: 2.5 µs

Input Sequencer

Pacer Clock Sources
Internal		 LGR-5325: 10 µs to 85.9 s in 20 ns steps		 LGR-5327/5329: 5 µs to 85.9 s in 20 ns steps
External (PACER)		 LGR-5325: 10 µs min		 LGR-5327/5329: 5 µs minProgrammable Parameters Per Scan
Channel Type: DIFF analog, SE analog, counter, digital input)
Channel Number: Random order
Gain: Any channel specified with a ±30 V range (LGR-5327/5329 only)
cannot be specified with any other range in the sequence)
Depth: 512 locations
Pacer Interval
LGR-5325: 10 µs min (100 kHz max pacer rate)
LGR-5327/5329: 5 µs min (200 kHz max pacer rate)
Channel to Channel Sampling Period (Scan Clock)
Analog Inputs: 5 µs, fixed
Digital Channels (Counters, Digital Inputs): Sampled simultaneously at thebeginning of the pacer interval

Measurement Computing(508) 946-5100

Digital Output

Number of Outputs: 1Type: Mechanical relay, NEC ED2/EF2 series
Relay Configuration: 1 Form C
Relay Contact Resistance: 0.075 Ω
Relay Contact Operate Time: 3 ms (excluding bounce)
Relay Contact Release Time: 2 ms (excluding bounce)
Relay Insulation Resistance: 1000 MΩ at 500 VDC
Relay Contact Ratings
Maximum Switching Voltage: 220 VDC/250 VAC
Maximum Switching Current: 1.0 A
Maximum Carrying Current: 2.0 A

4

info@mccdaq.com

mccdaq.com

LGR-5320 SeriesSpecifications and OrderingCounters

PowerCounter TypeLGR-5325: Conventional
LGR-5327/5329: Quadrature and conventional (x1, x2, x4)
Number of Channels: 4Inputs
LGR-5325: Counter, Up/Down, Gate
LGR-5327/5329: Phase A+/A–, Phase B+/B–, Index +/–Resolution: Fixed 32-bit or as sized by the modulo register
Count Modes
All LGR-5320 Series: Up/down, period/frequency, modulo n
LGR-5327/5329: Quadrature
Debounce Times (software-selectable): 16 steps from 500 ns to 25 ms; positive ornegative edge-sensitive; glitch detect mode or debounce mode
Timebase Accuracy: 50 ppm
Receiver Type (LGR-5327/5329): Quad DIFF receiver
Configuration (LGR-5327/5329): Each channel consists of Phase A input, Phase
B input and Index input; each input switch-selectable as SE or DIFF
Differential: Phase A, Phase B and Index (+) inputs at user connector routed to (+)
inputs of DIFF receiver. Phase A, Phase B and Index (–) inputs at user connector
routed to (–) inputs of DIFF receiver.
Single-Ended: Phase A, Phase B and Index (+) inputs at user connector routed to(+) inputs of DIFF receiver. Phase A, Phase B and Index (–) inputs at user connector routed to ground. (–) Inputs of DIFF receiver routed to 3 V reference.
Voltage Ranges
LGR-5325		 Input Voltage Range: 0 V to 5.5 V		 Maximum Input Voltage Range: –0.5 V to 7.0 V		 Input High Voltage: 2.0 V		 Input Low Voltage: 0.8 V
LGR-5327/5329		 Common Mode Input Voltage Range: ±12 V max		 Differential Input Voltage Range: ±12 V max		 Input Sensitivity: ±200 mV		 Input Hysteresis: 50 mV typ		 Input Impedance: 12 kΩ min		 Absolute Maximum Input Voltage: DIFF, ±14 V maxInput Type (LGR-5325): TTL
Input Characteristics (LGR-5325): 49.9 kΩ pull-down resistor

External Power Supply (included): 9 V min, 30 V max; refer to the “LGR-5320
Series User Guide” for complete power specifications.

Environmental

Operating Temperature Range: 0 °C to 55 °C
Storage Temperature Range: -40 °C to 85 °C
Humidity: 0 % to 90% non-condensing

Mechanical

Dimensions (L × W × H): 241.3 × 127 × 44.45 mm (9.5 × 5.0 × 1.75 in.) max

Shock and Vibration

Mechanical ShockOperating: 50 g, 3 ms half sine; 30 g, 11 ms half sine; 3 hits per face for a		 total of 18 hits (18 hits at 50 g, 18 hits at 30 g)
Standard: IEC 60068-2-27
Random Vibration
Frequency: 10 Hz to 500 Hz
Vibration Level: 5 grms
Test Time: 100 minutes/axis
Standard: IEC 60068-2-64

Controls/indicators

LOAD button: Loads a configuration from the SD card/enters USB bootloader(hold while applying power)
SAVE button: Saves configuration to the SD card
START button: Starts an acquisition
TRIG/EVENT button: Forces a trigger / logs an event
IND button: Turns LED indicators on/off in 3 steps: All on – Top indicators
only – All off
Reset button: Resets the device
SD ACT indicator: Indicates SD card read/write activity
SD STAT indicator: Indicates SD card/device error condition if blinking
LOG indicator: Indicates acquisition in progress
TRIG indicator: Indicates trigger occurred
EVENT indicator: Flashes when an event is logged or configuration is loaded or saved
Power indicator: (Top LED on case end) Indicates power is good and device is readyUSB indicator: (Bottom LED on case end) Indicates USB connection is active,
blinks off for USB activity
Analog input indicators: Indicates corresponding analog input is in the acquisition
Digital input indicators: Indicates presence of a voltage at the corresponding
digital input pin (not necessarily a high logic level)
Digital output indicator: Indicates relay state
Counter input indicators: Indicates corresponding counter activity

Order Information

Accessories

HardwarePart No.

Description

Part No.

Description

ACC-202

DIN-rail kit

Stand-alone, high-speed 100 kS/s, multifunction datalogger; includes an 8 GB SD memory card, USB cable,
and external power supply

ACC-216

DST kit with 6 detachable screw terminals

PS-9V1AEPS230V

9 VDC, 1.67 A replacement power supply

LGR-5325

LGR-5327

Stand-alone, high-speed 200 kS/s, multifunction datalogger; includes an 8 GB SD memory card, USB cable,
and external power supply

LGR-5329

Stand-alone, high-speed 200 kS/s, multifunction datalogger with isolated digital inputs; includes an 8 GB SD
memory card, USB cable, and external power supply

Measurement Computing
LGR-5320-Series(508) 946-5100

Software5Part No.

Description

DAQLogConfiguration and data logging software for theLGR-5320 Series.

info@mccdaq.com

mccdaq.com
September 2021. Rev 5© Measurement Computing Corporation