User's Manual

Instruction Manual
Page: 16
Model 3100 Series Flame Detector (11/04)
B.2 Connectors
B.2.1 Fire Relay Connector
(J2) Fire Relay Description
Pin 1 (Left Most) & Pin 2 Normally Open Side of Relay
Pin 3 & Pin 4 (Middle) Common or Center Side of Relay
Pin 5 & Pin 6 (Right Most) Normally Closed Side of Relay
B.2.2 Verify and Aux. Fault Connector
(J3) Verify/Aux. Description
Pin 1 (Left Most) & Pin 2 Verify Relay Common Side of Relay
Pin 3 & Pin 4 Verify Relay NO or NC Side of Relay
Pin 5 Aux. Fault Relay Common Side of Relay
Pin 6 (Right Most) Aux. Fault Relay NO or NC Side of Relay
B.2.3 Fault Connector
(J4) Fault Relay Description (Normally Energized State)
Pin 1 (Left Most) Normally Closed Side of Relay
Pin 2 (Middle) Common Side of Relay
Pin 3 (Right Most) Normally Open Side of Relay
B.2.4 Power/Communications Connector
(J5) Power/Comm. Description
Pin 1 (Left Most) & Pin 5 Power (DC -)
Pin 2 & Pin 6 Communication RS 485 (-)
Pin 3 & Pin 7 Communication RS 485 (+)
Pin 4 & Pin 8 (Right Most) Power (DC +)
B.2.5 3100-06 Connectors
(J2) Connector Description
Pin 1 (Left Most) Power (DC -)
Pin 2 Communication RS 485 (-)
Pin 3 Communication RS 485 (+)
Pin 4 Power (DC +)
Pin 5 4-20mA Negative
Pin 6 4-20mA Positive
Pin 7 to Pin 8 Jumper (Right Most) Enables 4-20 mA