Ideal for concentrated or distributed measurements
Overview
The Granite™ Volt 116 easily expands the channel count on your data-acquisition system. It has 16 differential or 32 single-ended input channels, as well as four excitation channels. It provides programmable, precision excitation for standard sensor measurements and power outputs for controlling sensors and peripherals. The Volt 116 features a 24-bit, analog-to-digital converter with low-noise performance for superior analog measurements.
Benefits and Features
- 24-bit ADC and low-noise inputs for increased measurement quality
- Distributed data acquisition
- Channel count expansion via the CPI bus on Campbell Scientific data loggers
- Easier to program than traditional multiplexers
- Programmable noise rejection
- CANbus 2.0 A/B output available with the Extended Duty (-XD) version
- USB 2.0 interface for PC-based operation with Campbell Scientific Surveyor software
Images
Specifications
| Mounting | Standard 1-in. grid (DIN rail mounting available) |
| Operating Temperature Range |
|
| Power Requirements | 9.6 to 32 Vdc voltage |
| Accuracy |
|
| Number of Channels | 16 differential or 32 single-ended inputs |
| Analog Inputs | 32 single-ended or 16 differential (with ±5000 mV, ±1000 mV, ±200 mV ranges 24 bit ADC) |
| Maximum Scan Rate |
|
| Input Range | ±5000 mV, ±1000 mV, and ±200 mV |
| Period Averaging | Traditional period averaging on analog input channels |
| CPI | For data logger connection. Baud rate selectable from 50 kbps to 1 Mbps. (Allowable cable length varies depending on baud rate, number of nodes, cable quality, and noise environment, but can be as long as 700 m under proper conditions.) |
| USB | USB 2.0 full speed connection available for attaching to a PC. (Port is used to configure the module and download updates via our Device Configuration Utility.) |
| Warranty | One year against defects in materials and workmanship |
| Dimensions | 20.3 x 12.7 x 5.1 cm (8 x 5 x 2 in.) |
| Weight | 0.9 kg (1.95 lb) |
Typical Current Drain |
|
| Sleep | <1 mA |
| Active 1 Hz Scan |
2 mA (estimated) Assumes one single-ended measurement with the first notch frequency (fN1) at 30 kHz Note: Any sensor excitation or switched power loads will be additive to this value. |
| Active 20 Hz Scan |
20 mA Assumes one single-ended measurement with the first notch frequency (fN1) at 30 kHz Note: Any sensor excitation or switched power loads will be additive to this value. |
| Active 1 kHz Scan |
67 mA Note: Any sensor excitation or switched power loads will be additive to this value. |
Voltage/Current Excitation Outputs |
|
| Voltage Excitation | ±5 V (@ 50 mA) |
| Current Excitation | ±2.5 mA (±5 V compliance voltage) |
| Number of Voltage/Current Excitation Outputs | 4 |
General Purpose Outputs |
|
| Number of SW5V Outputs | 4 |
| SW5V Output Resistance | 30 Ω |
| Number of SW12V Outputs | 2 |
| Typical Limit of SW12V Outputs | 200 mA |
| Minimum Limit of SW12V Outputs | 180 mA |
| Number of 12V Outputs | 2 |
| Typical Limit of 12V Outputs | 200 mA |
| Minimum Limit of 12V Outputs | 180 mA |
Compatibility
Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.
Data Loggers
| Product | Compatible | Note |
|---|---|---|
| CR1000X | Requires OS version 4 or greater. | |
| CR6 | Requires OS version 10 or greater. |
Miscellaneous
| Product | Compatible | Note |
|---|---|---|
| Granite 10 | Requires OS version 1 or greater. | |
| Granite 6 | Requires OS version 1 or greater. | |
| Granite 9 | Requires OS version 1 or greater. |
Additional Compatibility Information
The Volt 116 is compatible with CPI-enabled data loggers only.
Videos & Tutorials
Downloads
CPI Calculator v.1.0 (2.49 MB) 06-07-2016
The CPI Calculator is a downloadable Microsoft Excel spreadsheet used to estimate the usage and capacity of a CPI network. The calculator provides an overview on CPI devices including the CDM-A108, CDM-A116, CDM-VW300, CDM-VW305, and the CSAT3B. The calculator can also estimate the measurement speed of the CDM-A108 and CDM-A116 based on the number of channels and measurement parameters.
The CPI Calculator is an estimation tool and will help you better understand and design CPI networks by considering the following:
- What is the capability of each CDM or CPI device
- What is the CPI network capacity
- How much of the CPI capacity are the CDMs or CPI devices using
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