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Sana Sedeo 150 HK and 250 HK
Part No.: 2. 520038 Rev.: d
Page 17 of 26
7.3
Remote Operation
7.3.1
Explanation
Remote operation means that the ergometer is externally controlled via the digital interface RS 232 or the
USB connector. This means that all commands for the level of exertion and for the blood pressure measure-
ment intervals are transmitted from a separate “master unit”.
This type of operation is used primarily when the ECG device has its own ergometry-control program and
when the ergometer and ECG – and possibly other devices such as pulmonary function measuring devices –
can be combined to form an ergometry or pulmonary function measuring station.
In combination with Schiller ECG units, remote operation is the only approved operation method.
7.3.2
Prerequisites
When the remote operation mode is selected, the unit used (an ECG device or a PC) must be connected with
the ergometer via an interface cable. For our ergometers, this is a type RS-232 interface, which is isolated
to ensure the patient’s safety.
The appropriate baud rate must be selected in the program “Setting” under “Interface”. The appropriate
transmission protocol must then be selected in the same menu under “Instruction Set“. The so-called "ergo-
line operating mode" is stored under the setting P 10. Our own transmission protocol is located under “ergo-
sana”.
Information on interface and instruction set can be obtained from the operating data of the master unit.
When the settings have been correctly defined, the ergometer automatically switches to “remote operation”
when the first command comes through over the interface. The ergometry screen is opened in the display,
showing the current load, blood pressure and pulse rate data in both alphanumeric and graphic forms. The
execution of the internal programs is disabled in this operating mode.
Remote operating mode is ended by either pressing the command button “End” or by switching the device
off.
PCs connected to the device must be certified according to the
standard IEC/DIN EN60950. PCs must not be used within the patient environment.
ECG devices connected to the device must be certified according to the
standard IEC/DIN EN 60601-1 /chap. 3.201. Such ECG devices may be used within the patient
environment.
The operator is responsible for the compliance with standard IEC/DIN 60601-1-1.
ENGLISH