Emerson Bristol ControlWave Express Manuale delle Istruzioni Scaricare il pdf (Pagina 74)

ControlWave Express Instruction Manual (CI-ControlWave Express)

Option Tests

COM2, and COM3. The External loop-back tests

require the use of a loop-back plug.

Discrete I/O Checks DIs and DOs on the Process I/O board.

Ethernet Checks the Ethernet port.

Keypad & Display Checks the optional display/keypad hardware.

Port Loop-back

Test

WINDIAG allows you to select the communication port to test.

Depending on the type of network (RS-232 or RS-485) and the port in

question, a special loop-back plug is required:

 Port 1 - RS-232 uses a 9-pin female D-type loop-back plug (see

Figure 5-10).

Figure 5-10. COM1 & COM2 RS-232 Loop-back Plug/Wires

 Port 2 - RS-232 use loop-back wires (see Figure 5-10).

 Port 3 - RS-232 use loop-back wires (see Figure 5-11).

Figure 5-11. COM3 RS-232 & RS-485 Loop-back Wires

5-14 Service & Troubleshooting Revised Mar-2011

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Emerson Bristol ControlWave Express Manuale delle Istruzioni Pagina 74