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PTU-5 User Manual
Copyright 2017, FLIR Commercial Systems, Inc.
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4.2 - Wiring and Connectors
The PTU-5 has both a base connector and a payload connector for customer attachment. Please refer to
“Electrical Specifications” on page A-1 for detailed pin-out and connector requirements.
4.2.1 - Mechanical Overview
The PTU-5 contains two receptacles.
• Base Receptacle: The base of the PTU-5 houses the 26-pin base Norcomp, D-Sub HD26 pin
connector.
• Payload Receptacle: The payload connector is a 12-pin circular Phoenix M12 receptacle (part
number 1411979; mates to part number 1411987).
Basic control requires connecting a DC power source and a host PC to the PTU. The supplied breakout
cable and power supply allow you to have your PTU plugged in and running within minutes.
“Electrical
Specifications” on page A-1 contains specific pin outs and wiring diagrams for the available PTU wiring
configurations; if needed, you may use this information to make custom cables to suit your specific
installation requirements. Please refer to
“Quick Start” on page 9 for basic connection and power-on
instructions.
The PTU-5 also provides payload pass-through signals that connect between pins in the base receptacle
to corresponding pins in the payload receptacle. Additional pins in the base receptacle provide other
controls to the PTU controller board, including both RS485 and Ethernet controls.
4.2.2 - Wiring
The PTU is offered with the following wiring options:
• 1 power circuit (4C)
• Chassis ground (2C)
• 1 Ethernet connection (4C; to PTU internal electronics only)
• 1 RS485 connection (4C)
• 12 general I/O lines (12C)
The PTU-5 requires a minimum of ten connections at the base for power, RS-485 communications, and
shielding.
CAUTION: ALWAYS FOLLOW ALL APPLICABLE SPECIFICATIONS (INCLUDING BUT NOT
LIMITED TO MAXIMUM VOLTAGE AND CURRENT) WHEN ATTACHING PAYLOAD
SIGNALS TO THE SYSTEM.