Studer D19m, Инструкция по эксплуатации, Страница: 78 / 100

D19m Technical Description
E64 D19m
Date printed:
30.06.20
2.6.4 Fan Module
1.940.597
The Fan Module can be equipped with four or seven fan units. It contains
the Fan Regulation Board 1.940.596. On this board, each fan unit is moni-
tored, their speed can be adjusted, and if one of the fans should fail or be
blocked, the alarm output and an optional LED are activated.
If temperature has to be monitored, too, an optional NTC can be connected;
if the temperature exceeds a threshold (50 or 60° C, jumper-selectable), the
alarm output is activated, too.
Jumpers/Settings: RA1 To set the normal fan speed.
No. of Fans This jumper must be set according to the number of used fans (4 or 7).
max. Speed ON: If the selected temperature threshold is exceeded, the fans are switched
to full speed (prerequisite: the optional NTC is connected).
6 0°C / 50°C Selection of the threshold temperature.
Pin Assignment: 15-pin D-type
Pin Signal Pin Signal
1 +15 V 2 n.c.
3 GND 4 n.c.
5 Alarm Relay + 6 n.c.
7 GND 8 n.c.
9 GND 10 n.c.
11 NTC 12 n.c.
13 GND 14 n.c.
15 Alarm LED +
Alarm LED: An optional alarm LED can be connected between pin15 and one of the
GND pins; a internal series resistor is provided. Also refer to the "Higher
Supply Voltages" paragraph below.
Alarm Relay: The alarm relay is connected between the Alarm Relay + output and one of
the GND pins. The output supplies 15 V; the output current must be
matched to the relay coil with an appropriate series resistor. Max. output
current is 100 mA. Also refer to the "Higher Supply Voltages" paragraph
below.
ON OFF
max.
Speed
60°C 50°C
4 7
No. of Fans
Set
Fan
Speed