HIOKI LR8101/LR8102 Dataloggers for Charge/Discharge Testing of Batteries
Benefits of the LR810x Multi-Channel Voltage-/Temperature-Loggers
- Individual channel configurations from 15 up to 3000 for voltage/temperature measurement.
- Ideal solution for capturing data from high-voltage battery pack cells.
- Maximum rated terminal-to-ground voltage 1500 VDC (CAT II) insulation.
HIOKI LR8101/LR8102 Dataloggers for Charge/Discharge Testing of Batteries
The HIOKI LR8101 and LR8102 are multi-channel data loggers for individual configurations up to 3000 channels in a modular design and standardized 19" rack format. They are used for voltage acquisition and/or temperature measurement with thermocouples. The dataloggers are ideal for embedding in battery testing systems, for example in battery pack charge/discharge testing. The logger system offers 1500 VDC isolation to earth (M7100).
- Modular multi-channel datalogger for voltage and temperature.
- Individual systems with 15 up to 300 (LR8191) or 3000 channels (LR8102).
- Maximum rated terminal-to-ground voltage 1500 VDC (CAT II) insulation (module M7100).
- 10 ms sampling with 1500 channels (20 ms sampling with 3000 channels).
- HIL support with a data output interval as short as 5 ms.
- Connectivity: LAN and CAN (CAN: LR8101 only).
Applications
Battery packs consist of a large number of cells connected in series. Since variability in cell characteristics can lead to a decline in the battery pack’s overall performance, it is critically important to ascertain voltage and temperature behavior at the cell level. Manufacturers are designing batteries of increasingly high voltage for use in electric vehicles (EVs). As battery voltages rise from 400 V to 800 V, it becomes harder to measure battery cells’ voltage and temperature safely. Instruments used to conduct charge/discharge testing of these high-voltage battery packs must now have higher terminal-to-ground and module-to-module voltage then before.
- Assessing cell charge/discharge characteristics.
- Verifying cell balance.
- Evaluating thermal management.
- Evaluating performance with an HIL system.
- Detecting test system errors.
Model Overview
| Model | HIOKI LR8101 | HIOKI LR8102 |
| Description | Datalogger main unit, standard version | Datalogger main unit, advanced version |
| Connectable modules | 10 (2 types M7100, M7102) | |
| Sampling-synchronizable main unit number | Synchronization with another main unit is not possible | 10 main units |
| Maximum number of channels | 80 channels (5 ms sampling); 150 channels (10 ms sampling); 300 channels (20 ms sampling); (with 1 set of 1 main unit and 10 modules) | 800 channels (5 ms sampling); 1500 channels (10 ms sampling); 3000 channels (20 ms sampling); (with 10 sets of 1 main unit and 10 modules) |
| Communication interfaces | LAN 1 | LAN 1, LAN 2, CAN |
| LAN 1 for communication commands, data downloads; data collection and recording condition configuration via Logger Utility; setting configuration, recording control, FTP server function, FTP client function, HTTP server function, and XCP on Ethernet (TCP) via communications commands | ||
| - | LAN 2 for data output with refresh interval as short as 5 ms via UDP; XCP on Ethernet (UDP); CAN for data output with refresh interval as short as 5 ms via CAN or CAN FD | |
| External media | USB drive or SD memory card | |
| External control terminals | For external sampling sync, START/STOP, trigger input/output, alarms (4), pulse/logic input (1) | |
| Dimensions (mm) | Approx. 80 x 166 x 236 | |
| Model | HIOKI M7100 | HIOKI M7102 |
| Description | Measurement module for voltage/temperature, 15 channels, 1500 VDC isolation to earth | Measurement module for voltage/temperature, 30 channels, 600 VDC isolation to earth |
| Recommended use | Batteries below 1500 V; voltage and temperature measurement of each cell; high-speed data acquisition | Batteries below 600 V; voltage and temperature measurement of each cell; multi-channel measurement |
| Number of input channels | 15 | 30 |
| Fastest data refresh intervals | 5 ms (up to 8 channels) | 10 ms (up to 15 channels) |
| Input terminals | M3 screw terminal | Pushbutton terminal |
| Measurement target | Voltage: 10 mV f.s. to 100 V f.s. (11 ranges); 2 V and 6 V ranges available for cell voltage measurements; voltage measurement accuracy ±3 mV (at 4 V measurement); temperature: Thermocouple | |
| Maximum input voltage | ±100 VDC | |
| Maximum rated terminal-to-ground voltage | 1500 VDC (CAT II) | 600 VDC (CAT II) |
| Maximum voltage between channels | 300 VDC | |
| Dimensions (mm) | Approx. 53 x 166 x 263 | |
How to select the right combination
- Required number of channels:
max. 80 to 300 - 1x LR8191.
max. 800 to 3000 - 1x or up to 10x LR8102. - Power supply:
AC adaptor(s) Z1016 powers the logger using commercial AC power.
Power cable(s) L1012 - powers the logger using an external DC power supply. - Measurement modules:
Choose one or up to ten M7100 and/or M7102 based on the required terminal-to-ground voltage, number of channels, and sampling rate. - Choose additional accessories that may be required, eg. for module synchronization, temperature measurements (thermocouple sensors), memory (SD cards, USB drives), etc.
Optional Accessories
| Model | Description |
| Z1016 | AC adaptor for LR810x |
| L1012 | Power cable for LR819x, approx. 2 m, bare wires at one ende |
| L6101 | Optical connection cable, 1 m, for LR8102 |
| L6102 | Optical connection cable, 10 m, for LR8102 |
| 9713-01 | CAN cable, D-sub to bare wires, 1.8 m |
| 9642 | LAN cable, 5 m, incl. crossoverconversion connector |
| Z4001 | SD memory card 2 GB |
| Z4003 | SD memory card 8 GB |
| Z4006 | USB drive 16 GB |
| Thermocouples not included; please purchase aditionally | |
