ScienceMode / ScienceMode4_P24

ScienceMode4 protocol for the P24 Science device which is a 8 channel stimulator for functional electrical stimulation (FES).
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p24 sciencemode sciencemode4

ScienceMode4

Device P24 Science & P24 Module
Protocol ScienceMode4
Stim. channels 8
Current (at 1 kΩ load) 0 – 130 mA (0,5 mA steps)
Pulse width 0; 10 – 65520 μs (1 μs steps)
Impulse repetition period 0.5 - 16383 ms
Pulse shape Balanced biphasic square pulses or variable (adjustable using 16 discrete characteristic points)
Compatibility ScienceMode4 is almost compatible to ScienceMode3
Stimulation commands (from PC to the stimulation device) Two Stimulation Levels
• Mid-level: P24 generates the set frequency • Low-level: Each stimulation impulse can be generated by the control program
Mid-Level
• Ml_Init: Initializes stimulation
• Ml_Update: contains all
stimulation related
parameters
• Ml_Stop: deinitializes
stimulation
• Ml_Get_Status: Get status
information and live signal
Low-Level
• Ll_Init: Initializes stimulation
• Ll_Channel_Config: contains individual pulse shape incl. current and pulse width
• Ll_Stop: deinitializes the stimulation More commands exists to get status information like battery, firmware version etc.
Typical scenario of the commands Low-Level • Ll_init, Ll_ch_config, Ll_ch_config, …, ll_stop
Mid-Level • Ml_init, Ml_update, Ml_get_status, …, Ml_stop
Electrode error de-tection/feedback Yes/Yes
Emergency stop availabl./feedback No/No
MOTOmed control No
C-Library and API Yes