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In vivo applications / Behavioural applications / Modular system components
MB DC Shocker Controller
DC Shocker Controller is a programmable pulse pattern generator. It is based on a RISC microcontroller. The built-in firmware generates the different output pulse sequences. The firmware of this equipment is the same as of the Pulse Pattern Generator of the BioStim Controller.
DC Shocker Controller is assembled with a 4 x 20 character blue LCD display and a user-friendly 4-button keypad on its front plate. The development strategy of this equipment was to design an easy-to-use user interface, while highly professional capabilities are activated behind the simple menu system.
This version has no its own power supply, powered by the Power Supply Module of the Modular Behavioral System.
The accuracy of the time parameters in the DC Shocker Controller is guaranteed by an internal crystal pacer. All the programmed time parameters are stored in a built-in nonvolatile memory. Easy programming operations are carried out in menu system with a 4-button keypad. The display of the DC Shocker Controller is a 4 x 20 character alphanumeric model with blue backlight to provide good visibility.
The time parameters are provided by the fully digital DC Shocker Controller and the constant current sources are implemented in the Shocker equipments. This arrangement results a great flexibility and variability, because both of the Shockers (DC Shocker and AC Shocker) are compatible with the DC Shocker Controller, so they can be changed according to the experimental paradigm. Certainly, the DC Shocker or AC Shocker equipments should be ordered independently.
Specifications / Technical Data
- Inputs: TTL compatible, 0.5 unit-loads
- Outputs: TTL compatible, 10 unit-loads
- Input signals: Start Input, Gate Input
- Output signals: Synchron Output, TTL Output (to Shocker)
- Number (choice) of predefined pulse patterns in the main menu: 12
- Accuracy of the time parameters: 10 ns
Functions in the Firmware
DC Shocker Controller (together with one of the Shockers) can be used as a stand-alone pulse pattern generator, but it has got bi-directional digital control capabilities: Start Input, Gate Input, and Synchron Output. These TTL-compatible control bits offer a huge versatility in the different applications. DC Shocker Controller can be started externally (with rising edge at Start Input) from another equipment (for instance a PC), or it can be the master synchron generator (if the external equipments are triggered from its Synchron Output).
DC Shocker Controller has got a nonvolatile memory to store all parameters of the functions. The memory holds the previously used parameter values during switched off periods. If you use the equipment in a fixed application, you should program it one time only. If you switch the DC Shocker Controller on, it checks, which function was used last time. After it the parameters used by the actual function are checked. If the parameters have got valid values preset, the last used function will be started automatically.
Operating Modes of the DC Shocker Controller
The actually realized 12 operating modes (in other words the choice of the pulse patterns) are presented in the end of the User Manual of the DC Shocker Controller. The operating modes have got a graphical interpretation to explain them in fine details. In some experimental situations there is more than one function with which a paradigm can be carried out. You should always consider which function is the best one to your special task.
Descriptions
DC Shocker Controller is a programmable pulse pattern generator. It is based on a RISC microcontroller. The built-in firmware generates the different output pulse sequences. The firmware of this equipment is the same as of the Pulse Pattern Generator of the BioStim Controller.
DC Shocker Controller is assembled with a 4 x 20 character blue LCD display and a user-friendly 4-button keypad on its front plate. The development strategy of this equipment was to design an easy-to-use user interface, while highly professional capabilities are activated behind the simple menu system.
This version has no its own power supply, powered by the Power Supply Module of the Modular Behavioral System.
The accuracy of the time parameters in the DC Shocker Controller is guaranteed by an internal crystal pacer. All the programmed time parameters are stored in a built-in nonvolatile memory. Easy programming operations are carried out in menu system with a 4-button keypad. The display of the DC Shocker Controller is a 4 x 20 character alphanumeric model with blue backlight to provide good visibility.
The time parameters are provided by the fully digital DC Shocker Controller and the constant current sources are implemented in the Shocker equipments. This arrangement results a great flexibility and variability, because both of the Shockers (DC Shocker and AC Shocker) are compatible with the DC Shocker Controller, so they can be changed according to the experimental paradigm. Certainly, the DC Shocker or AC Shocker equipments should be ordered independently.
Specifications / Technical Data
- Inputs: TTL compatible, 0.5 unit-loads
- Outputs: TTL compatible, 10 unit-loads
- Input signals: Start Input, Gate Input
- Output signals: Synchron Output, TTL Output (to Shocker)
- Number (choice) of predefined pulse patterns in the main menu: 12
- Accuracy of the time parameters: 10 ns
Functions in the Firmware
DC Shocker Controller (together with one of the Shockers) can be used as a stand-alone pulse pattern generator, but it has got bi-directional digital control capabilities: Start Input, Gate Input, and Synchron Output. These TTL-compatible control bits offer a huge versatility in the different applications. DC Shocker Controller can be started externally (with rising edge at Start Input) from another equipment (for instance a PC), or it can be the master synchron generator (if the external equipments are triggered from its Synchron Output).
DC Shocker Controller has got a nonvolatile memory to store all parameters of the functions. The memory holds the previously used parameter values during switched off periods. If you use the equipment in a fixed application, you should program it one time only. If you switch the DC Shocker Controller on, it checks, which function was used last time. After it the parameters used by the actual function are checked. If the parameters have got valid values preset, the last used function will be started automatically.
Operating Modes of the DC Shocker Controller
The actually realized 12 operating modes (in other words the choice of the pulse patterns) are presented in the end of the User Manual of the DC Shocker Controller. The operating modes have got a graphical interpretation to explain them in fine details. In some experimental situations there is more than one function with which a paradigm can be carried out. You should always consider which function is the best one to your special task.
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