Eppendorf Galaxy CO2 Sensor User Manual
Page 67
Equipment options
Galaxy
®
170 R/170 S CO
2
Incubators
English (EN)
67
Abb. 12-1: BMS relay contact alarm socket
Fig. 12-1: BMS relay contact alarm socket
*Cable length should not exceed 3 m (9.8 ft) to comply with EMC requirements.
The default setting for the alarm system is ON. To deactivate the relay using the incubator keypad:
1. Press USER.
2. Select BMS ALARM RELAY.
3. Select MAKE ALARM RELAY ACTIVE YES/NO.
4. Toggle to NO and then press ENTER.
The default setting for the power failure warning is ON. To make the alarm system ignore any power
outage:
1. Press USER.
2. Select BMS ALARM RELAY.
3. Select MAKE ALARM RELAY ACTIVE AT POWER SWITCH OFF/FAILURE YES/NO.
4. Toggle to NO and then press ENTER.
Pin
Designation
1
24 V DC unregulated (170 R Models)
12 V DC unregulated (170 S Models)
To power external equipment such as a remote buzzer
or light (100 mA maximum current available).*
2
0 V
3
5 V DC
Via 10 K Ω pull-up resistor, for a logic signal to
directly control an auxiliary control system.*
4
Normally closed
To access the relay contacts. Contact limits are 3
Amps @ 24 V DC and 3 Amps @ 34 V AC.
5
Common
6
Normally open