Locomotive/tender car communication system

1. A communication system for a consist having a locomotive and a tender car, the communication system comprising:

a locomotive access point configured to be located onboard the locomotive;

a locomotive controller connected to the locomotive access point;

a tender car access point configured to be located onboard the tender car;

a tender car controller connected to the tender car access point;

at least a first network component configured to be located onboard the tender car and connected with the tender car access point;

at least a second network component configured to be located onboard the locomotive and connected with the locomotive access point; and

a communication coupling extending between the locomotive and tender car access points,

wherein the locomotive and tender car controllers are configured to selectively affect operation of the locomotive and tender car, respectively, based on operational information obtained via the at least one network component.

2. The communication system of claim 1 , wherein:

the at least a first network component includes a first plurality of network components; and

the at least a second network component includes a second plurality of network components.

3. The communication system of claim 1 , wherein at least one network component of the at least a first network component and the at least a second network component includes at least one of a temperature sensor, pressure sensor, speed sensor, fuel level sensor, actuator, valve, pump, heat exchanger, accumulator, or regulator.

4. The communication system of claim 1 , wherein the communication coupling is a multi-unit cable.

5. The communication system of claim 4 , wherein the operational information is communicated over the communication coupling as Ethernet data.

6. The communication system of claim 1 , wherein the locomotive and tender car controllers are configured to selectively affect operation of the locomotive and tender car, respectively, based further on identification information communicated between the locomotive and tender car controllers via the communication coupling.

7. The communication system of claim 1 , wherein the locomotive controller is configured to affect at least one of a fuel demand of an engine located onboard the locomotive, a blend rate of fuel consumed by the engine, a speed of the engine, and a load of the engine.

8. The communication system of claim 1 , wherein the tender car controller is configured to affect at least one of a supply rate of fuel to an engine located onboard the locomotive and a blend rate of fuel consumed by the engine.

9. The communication system of claim 7 , wherein the tender car controller is configured to affect supply rate and blend rate by adjusting operation of at least one of pump, a heat exchanger, an accumulator, and a regulator located onboard the tender car.

10. The communication system of claim 1 , wherein:

the consist has multiple locomotives supplied with fuel from the tender car;

the locomotive access point is a first locomotive access point associated with a first of the multiple locomotives;

the locomotive controller is a first locomotive controller;

the communication system further includes:

a second locomotive access point configured to be located onboard a second of the multiple locomotives; and

a second locomotive controller connected to the second locomotive access point;

the communication coupling extends between the first locomotive access point, the second locomotive access point, and the tender car access point; and

the first locomotive controller, second locomotive controller, and tender car controller are configured to selectively affect operation of the first of the multiple locomotives, the second of the multiple locomotives, and the tender car, respectively, based on operational information obtained via the at least one network component.

11. The communication system of claim 10 , wherein the first locomotive controller is further configured to selectively affect operation of the second of the multiple locomotives.

12. The communication system of claim 10 , further including a communication device located onboard one of the first and second of the multiple locomotives, the communication device being configured to wirelessly transmit the operational information to an offboard entity.

13. A communication system for a consist having a plurality of locomotives and a tender car, the communication system comprising;

a locomotive access point configured to be located onboard each of the plurality of locomotives;

a locomotive controller connected to each locomotive access point;

a tender car access point configured to be located onboard the tender car;

a tender car controller connected to the tender car access point;

a plurality of network components configured to be located onboard the plurality of locomotives and onboard the tender car and connected with a corresponding one of the locomotive and tender car access points; and

a communication coupling extending between the locomotive access point and tender car access point,

wherein the locomotive and tender car controllers are configured to selectively affect operation of the plurality of locomotives and the tender car, respectively, based on operational information obtained via the plurality of network components over the communication coupling.

14. The communication system of claim 13 , wherein the plurality of network components include at least one of a temperature sensor, pressure sensor, speed sensor, fuel level sensor, actuator, valve, pump, heat exchanger, accumulator, or regulator.

15. The communication system of claim 13 , wherein:

the communication coupling is a multi-unit cable; and

the operational information is transmitted as Ethernet data over the multi-unit cable.

16. The communication system of claim 13 , wherein the locomotive and tender car controllers are configured to selectively affect operation of the plurality of locomotives and tender car, respectively, based further on identification information communicated between the locomotive and tender car controllers via the communication coupling.

17. A consist, comprising:

a first locomotive;

a second locomotive;

a tender car mechanically and fluidly connected to the first and second locomotives;

a first locomotive access point configured to be located onboard the first locomotive;

a first locomotive controller connected to the first locomotive access point;

a second locomotive access point configured to be located onboard the second locomotive;

a second locomotive controller connected to the second locomotive access point;

a tender car access point configured to be located onboard the tender car;

a tender car controller connected to the tender car access point;

a plurality of network components configured to be located onboard the first locomotive, onboard the second locomotive, and onboard the tender car and connected with a corresponding one of the first locomotive, second locomotive, and tender car access points; and

a multi-unit cable extending between the first locomotive, the second locomotive, and the tender car access points,

wherein the first locomotive, the second locomotive, and the tender car controllers are configured to selectively affect fueling of the first and second locomotives based on operational information obtained via the plurality of network components over the multi-unit cable.