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TotalAlert Infinity™ NFPA Medical Gas Notification System
B40, B41, B42, B43 Relay Output Boards B60 Gas Input Board
Features: Features:
• Provides 16 normally closed dry-contact • Monitors up to 8 Digital Gas Sensor
relay outputs for external monitoring. Boards. One normally closed dry-contact
• Heartbeat indicator to signal proper op- relay output is available and opens when
eration. any fault occurs.
• Heartbeat indicator signals proper opera-
tion.
Figure 8: B40, B41, B42, B43 Output Boards
B50 4-20mA Combination Board
Figure 10: B60 Gas Input Board
Features:
B65 Gas Combination Board
• Monitors up to 4 4-20mA inputs, 7 nor-
mally closed dry-contact switch signals, Features:
and provides 6 normally closed dry-con-
tact relay outputs for external monitoring. • Monitors up to 3 Digital Gas Sensor
• Heartbeat indicator signals proper opera- Boards and 10 normally closed dry-con-
tion.
tact switch signals, and provides 6 nor-
mally closed dry-contact relay outputs for
external monitoring.
• Heartbeat indicator signals proper opera-
tion.
Figure 9: B50 4-20 mA Combination Board
Figure 11: B65 Gas Combination Board
4107 9016 58.02 1-4
