Spacelabs 91369 - Page 17

91369 Service Manual 2-9
Setup
Warning:
For operational safety and reliability, the following relay contact ratings MUST NOT BE
EXCEEDED:
• Current = 250 ma
• Voltage = 28 V AC/DC
Figure 2-6: Alarm 0 (high priority) relay schematic
5
Alarm 1 (medium priority)
Normally Closed
6 Normally Open
7 Common
8GND
9 +12 V, 140 mA
10 GND
11 GND
12
Alarm 2 (low priority)
Normally Open
13 Common
14 Normally Closed
Table 3: Connector Pinouts (continued)
Pin
Alarm Circuit Meaning
ALMON
+12 V
+5 V
relay
1
2
3
4
8
10
9
common
NC
NO
140 mA
Relay maximum ratings:
28 V AC/DC
0.25 A
11
GND
GND
GND
GND