Operation Manual
Version: 12/01
69
er900L Operation Manual
Art-Nr: 475.043
Ergometer
Type er900L
Remark:
W xxx <CR>
command value (e.g. load value) carriage return (end of line)
Appendix A: Interfaces
Transmission Protocol :
Command from PC Response Description
(ECG) from er900
W xxx <CR> --- Sets a load target of xxx watts.
L xxx <CR> --- Sets load increment to xxx watts per minute. (The load will be
increased in 1 watt steps over the period of one minute.)
A xxx <CR> --- Sets the initial load Po (load value to start of ergometry ) to xxx in
watts.
P xxx <CR> --- Sets the maximum pulse rate to xxx per min. (Only makes sense
for pulse steady state training).
S <CR> --- Start of quiescent blood pressure measurement with subse-
quent start of ergometry with initial load Po.
s <CR> --- Start of ergometer with the initial load Po without a prior Po
quiescent blood pressure measurement .
B <CR> B xxx <CR> Query for current load.
Output of current load in W.
D <CR> n xxx <CR> Query for current rpm value
Output of current rpm value in 1/min.
Query for current heart rate
H <CR> H xxx <CR> Output of current heart rate in 1/min.
Query for current systolic value.
O <CR> O xxx <CR> Output of current systolic value in mmHg.
Query for current diastolic value.
U <CR> U xxx <CR> Output of current diastolic value in mmHg.
F <CR> --- End of ergometry process (should be sent three times ).
I <CR> 0900P10VXXX- Identification string of the ergometer. The string contains the device type
<CR> 0900-, ECG interface protocol - P10 - and software version number -
VXXX
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