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Variants:
5459021004
5459021124
5459021754
5459021774
5459021954
5459121004
5459121964
5459517744
5459521694
Content:
Operation
Function diagram
Mechanics
Electronics
Pinning of connectors
Description of faults
Replacement
Calibration
Description serial Interface
spare parts
Manual number:
17-05-01-283-d
Service Manual
for seca 545
Description:
Pedal crank ergometer with electromagnetic eddy current brake, pulse detection
circuit and serial Interface RS232 for connection to ECG-machines. The
Ergometer is a medical product.
Service Manual Number
17-05-01-283-d
Valid as of:
17-10-05-237 c
30-36-00-249 b
30-36-00-284
30-36-00-285
30-36-00-283
30-36-00-286
30-36-00-282 a
30-36-00-287
30-36-00-275 b
30-36-00-281 d
29.06.2005
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Summary of Contents for Seca 545 Series
- Page 1 Service Manual Variants: for seca 545 5459021004 5459021124 5459021754 5459021774 Service Manual Number 5459021954 5459121004 17-05-01-283-d 5459121964 Valid as of: 29.06.2005 5459517744 5459521694 Description: Pedal crank ergometer with electromagnetic eddy current brake, pulse detection circuit and serial Interface RS232 for connection to ECG-machines. The Ergometer is a medical product.
- Page 3 Service Manual seca 545 Functional description of mechanical equipment seca 545 Ergometer Edition: November 1998 Pedal crank ergometer with electromagnetic eddy current brake Design Steel frame as supporting structure, rests stably on the floor on four points. Supporting points consisting of 2 rollers to allow the unit to be moved easily and 2 adjusting caps for levelling out any unevenness of the floor.
- Page 4 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics Ergometer electronic circuit description ( 08-01-25-211 ) Overview: The pedal crank ergometer described below is used to subject the patient to strain with a predetermined muscle power input and to measure the pulse frequency during this test.
- Page 5 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics operates with open loop gain, and from there to the Schmitt trigger I5A. The resulting square-wave pulse signal "PULSE" is passed firstly to the pulse LED on the display and secondly to the µ-P I9 for pulse frequency determination.
- Page 6 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics b) The power supply unit produces the three required ergometer operating voltages: Power, VCC, VCC2+. “Power” supplies the current for the brake and for the two other power supply units. Fuse protection is provided by fuse 4AT.
- Page 7 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics 10.03.1999 Panier Page 4 of 6 30-36-00-285...
- Page 8 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics 10.03.1999 Panier Page 5 of 6 30-36-00-285...
- Page 9 Service Manual Ergometer 545 Description of the electronics Description of the electronics Description of the electronics Description of the electronics 10.03.1999 Panier Page 6 of 6 30-36-00-285...
- Page 11 Seca Page 1(2) Description of faults Please read the operating instructions carefully to make sure that ergometer malfunctions are not caused by operation faults. Should any faults occur, the following table will help you to identify the cause of the fault.
- Page 12 Seca Page 2(2) Description of faults • • Buttons / display not Display or Replace display working display cable defective Fault description Possible Remedy cause • • Fault message Fault in the Switch ergometer off and on again, if the fault message is...
- Page 13 Service Manual seca 545 Replacement instructions seca 545 Ergometer Edition: November 1998 Edition: November 1998 Edition: November 1998 Edition: November 1998 1. Remove casing / outer parts. (see drawing page 3) Disconnect all cables. Turning handlebar (1). Unscrew the clamping lever (2) and pull out the clamping element (3).
- Page 14 Service Manual seca 545 Replacement instructions Eddy current brake (26). Start with steps 1.1 and 1.4 to 1.6. Unsolder the cable connections (25) to the power supply unit (21). Release the toothed belt tension (35). Unhook the tie rod (28) and the spring (36).
- Page 18 Calibration during maintenance work Calibration during maintenance work The seca pedal crank ergometer is a medical product, class IIA and is thus subject to the legal regulations regarding medical pedal crank ergometers. One particular maintenance job stipulated is checking the ergometer for observance of the fault tolerance limits every two years (see the section on Technical data in the Operating instructions).
- Page 19 Operating panel active Power setpoint * 10 P = (Hi * 256 + Lo) W / 10 The power setpoint can only be changed via the serial interface if "Mode ON" is active. SECA/EE/GER Page 1 of 3 30-36-00-275 Index B...
- Page 20 Strain gauge zeropoint MSB Pulse period LSB Pulse period MSB Working memory L byte Working memory M byte Working memory H byte Training value Segment info time and power stage Strain gauge offset SECA/EE/GER Page 2 of 3 30-36-00-275 Index B...
- Page 21 Service Manual Spare parts seca 545 Ergometer - Inner parts Item Article no. Designation Price stage 35-05-01-002-816 Frame complete, black 35-05-01-002-807 Frame complete, white 35-01-01-006-509 Bottom bracket bearing 35-02-02-007-509 Intermediate bearing (with freewheel) 35-02-03-204-009 Freewheel 35-02-02-009-009 Holder for chain tensioner...
- Page 22 08-04-06-290- 009 Front foil for model 545 “ seca cardiotest 100 “ For front foils with a logo other than “ seca cardiotest 100 “ please specify the logo in your spare parts orders. 08-4-04-212-009...
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