Service manual
8
Servo Ventilator 300/300A Diagrams
E382 E380E 061 01 03 01 Siemens-Elema AB 123
Master/Slave connection N80
15 pole D-sub connector (N80). Can be used
for the synchronization of two Servo
Ventilator 300. Only Siemens connection
cable must be used.
The illustration of the connector show
outside view.
Note – If a voltage is connected to any of
the pin number marked * in the table below,
the function of the ventilator can be
influenced.
5
15
10
1
11
6
300-A16X
N80
1–
2* Slave start exp H, 0 V; 5 V, Input
3* Slave mode L, 0 V; 5 V, Input
4 Start exp buff H, 0 V; 5 V, Output
5 Clock buff 1 H, 0 V; 5 V, Output
6–
7* Slave start insp H, 0 V; 5 V, Input
8* Slave clock H, 0 V; 5 V, Input
9 Start insp buff H, 0 V; 5 V, Output
10 Mode buff L, 0 V ; 5 V, Output
11 GND, Input/Output reference
12 Pat trig buff H, 0 V; 5 V, Output
13* Master pat trig H, 0 V; 5 V, Input
14 Mon dis insp valves master buff L, 0 V; 5 V, Output
15* Mon dis insp valves slave L, 0 V; 5 V, Input
Auxiliary output N78
15-pole D-sub connector (N78). Mainly used
for power supply to auxiliary equipment.
Only Siemens connection cable must be
used.
The illustration of the connector show
outside view.
If a signal has three different scale factor
values, e. g. 3/3/18 V/l/s, the different values
refers to selected front panel setting Adult/
Pediatric/Neonate.
300-A23X
8
15
1
9
N78
1 +24 V PO (Power Out)
2 +24 V PO (Power Out)
3 Pow sup out 1 (not used, do not short-circuit)
4 Pow sup out 2 (not used, do not short-circuit)
5 CGND
6 EXP TIME H BUFF2, 0 V; 5 V
7 CGND
8 CGND
9 +24 V PO (Power Out)
10 FAN CONTROL, Input
11 Pow sup out 3 (not used, do not short-circuit)
12 EXP PRESS BUFF2, 7.5 V/100 cm H
2
O
13 AIRWAY FLOW BUFF2, 3/3/18 V/l/s
14 ADULT RANGE L BUFF2, 0 V; 5 V
15 CGND