Maretron SIM100 Bedienungsanleitung PDF herunterladen (Seite 12)

SIM100 User's Manual

Page 8 Revision 1.2

• Check the security of the cable connected to the NMEA 2000

connector, and tighten if

necessary.

• Check the security of all of the switch connections on the top of the unit and tighten if

necessary.

4 Troubleshooting

If you notice unexpected operation of the Maretron SIM100, follow the troubleshooting

procedures in this section to remedy simple problems. If these steps do not solve your

problem, please contact Maretron Technical Support (refer to Section 6 for contact

information).

Symptom Troubleshooting Procedure

No switch indicator data

visible on NMEA 2000

network.

Ensure that the SIM100 is properly connected to the NMEA 2000

network.

Ensure that the switches are properly connected to the SIM100.

Ensure that each indicator that you wish to monitor is not

configured as “Disabled”.

Ensure that the SIM100 has the appropriate NMEA 2000

PGNs

enabled as described in Section 2.5.9.

A switch indicator

always reads “Closed”

Ensure that there is not a short circuit in the wiring for the switch.

Measure the resistance between the “A” and “B” terminals for the

appropriate indicator. If the switch is open, the resistance should

either be an open-circuit, if the indicator is configured as “No End

of Line Resistor”, or should measure 8 KΩ if the indicator is

configured as “End of Line Resistor”. If the switch is closed, the

resistance should be close to 0 Ω.

A switch indicator

always reads “Error”

Ensure that the configuration of the indicator matches the circuit

connected to it. Measure the resistance between the “A” and “B”

terminals for the appropriate indicator. If the switch is open, the

resistance should either be an open-circuit, if the indicator is

configured as “No End of Line Resistor”, or should measure 8 KΩ if

the indicator is configured as “End of Line Resistor”. If the switch

is closed, the resistance should be close to 0 Ω.

A switch indicator

always reads “Open”

Ensure that the switch is connected to the indicator terminals that

that there are no open circuits between the SIM100 and the switch.

Measure the resistance between the “A” and “B” terminals for the

appropriate indicator. If the switch is open, the resistance should

either be an open-circuit, if the indicator is configured as “No End

of Line Resistor”, or should measure 8 KΩ if the indicator is

configured as “End of Line Resistor”. If the switch is closed, the

resistance should be close to 0 Ω.

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