Coyote (BL2500) User's Manual

Appendix C.
Demonstration Board Connections

Appendix C shows how to connect the Demonstration Board to the Coyote.

C.1 Assemble Wire Harness

Before you can connect the Demonstration Board to the Coyote to run the sample programs based on the Demonstration Board, you will need to assemble a wiring harness using the friction-lock connectors and crimp terminals supplied with the BL2500/OEM2500 Development Kit. In addition, you will need:

• Wire--22 to 30 AWG (0.33 mm2 to 0.049 mm2) for the 0.1" crimp terminals,
  22 to 26 AWG (0.33 mm2 to 0.13 mm2) for the 0.156" crimp terminals

• Wire cutters and wire insulation stripper

• Crimp tool (pliers may be used, but a crimp tool provides a better crimp with a stronger force)

Rabbit sells a crimp tool and a Connectivity Kit that contains additional friction-lock connectors and crimp terminals. Table 3 in Chapter 3 provides information on specific friction-lock connectors and crimp terminals to be used with the various headers on the BL2500. Contact your authorized Rabbit distributor or your sales representative for more information.

Follow these steps to build your wire harness.

1. Prepare a few lengths of wire about 30 cm (12") long. The wires should have different colors of insulation to facilitate identifying the connections.

2. Trim about 2-3 mm (0.1") of insulation from your wire.

3. Position the wire in the crimp terminal as shown in Figure C-1.

Figure C-1. Crimp Wire in Crimp Terminal

4. Use a crimp tool or pliers to first crimp the bare wire, then the insulation as shown in Figure C-1.

5. Insert the crimp terminals with wires into the friction-lock connector with the tab on the crimp terminal facing the opening on the side of the friction-lock connector. Insert the crimp terminal until the tab snaps into place in the side opening.

Figure C-2. Insert Crimp Terminals Into Friction-Lock Connector

6. Repeat these steps until all the wires and crimp terminals have been assembled.

NOTE	Use different wire colors to help you color-code your harness.
NOTE	On 10-pin friction-lock connectors, insert a plug into the hole indicated in Figure C-2 to polarize your connector to help prevent offsetting the connector by one pin when you attach it to your Coyote. Polarizing plugs are not included in Rabbit's Connectivity Kit.

C.2 Connecting Demonstration Board

Before running sample programs based on the Demonstration Board, you will have to connect the Demonstration Board from the BL2500/OEM2500 Development Kit to the Coyote board. Proceed as follows.

1. Use one of the wiring harnesses you have built to connect header J1 on the Demonstration Board to the Coyote. The connections are shown in Figure C-3 for sample program DIGIN.C, in Figure C-4 for sample program DIGOUT.C, and in Figure C-5 for the BL2500\TCPIP TCP/IP sample programs.

2. Make sure that your Coyote is connected to your PC and that the power supply is connected to the Coyote and plugged in as described in Chapter 2, "Getting Started."

Figure C-3. Connections Between Coyote and Demonstration Board
for DIGIN.C Sample Program

Figure C-4. Connections Between Coyote and Demonstration Board
for DIGOUT.C Sample Program

Figure C-5. Connections Between Coyote and Demonstration Board
for TCP/IP SMPT.C Sample Program