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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