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MEGA3 NFPA Medical Gas Notification System
4107 9016 59.03
B40, B41, B42, B43 Relay Output Board
Features:
• Provides 16 normally closed dry-contact
relay outputs for external monitoring.
• Heartbeat indicator to indicate proper
operation.
B60 Gas Input Board
Features:
• Monitors up to 8 Digital Gas Sensor
Boards. One normally closed dry-contact
relay output is available and opens when
any fault occurs.
• Heartbeat indicator to signal proper op-
eration.
Figure 8: B60 Gas Input Board
Figure 9: B65 Gas Combination 3D, 10X, 6Y Board
B65 Gas Combination 3D, 10X, 6Y Board
Features:
• 3 Gas Sensors, 10 inputs, 6 outputs
Figure 6: B40, B41, B42, B43 Relay Output Board
Figure 7: B50 4-20 mA Combination Board
B50 4-20mA Combination Board
Features:
• Monitors up to 4 4-20mA inputs, 7 nor-
mally closed dry-contact switch signals,
and provides 6 normally closed dry-con-
tact relay outputs for external monitoring.
• Heartbeat indicator to indicate proper
operation.
