VALVE-INLET 1039269 - Caterpillar

The following tables contain information about the signals of the control panel. The data in the tables is available from the 2 Modbus ports. The ports are located in the control panel on the top slot of the PLC back plane.Refer to the Systems Operation, "Marine Monitoring System Configuration" for information about the setup of communications.Reference: "Gould Inc. Publication PI-MBUS 300 REV B"The data link is configured for the following settings:
8 data bits
1 stop bit
No parityThe node address and the baud rate can be configured by the user.Interfacing With a Shipyard
Provide table 3, table 4, table 7, table 8, and table 9.Provide the following list of information about the configuration:
The MMS protocol for output is Modbus.
Ports for hardware are available. The ports have 9 pins. The RS-485 has one connection with 2 wires and two connections with 4 wires. The RS-232C has one handshaking connection and two connections without handshaking.
Provide the list of baud rates.
The network addresses can be a number between 1 and 247.
The system uses a serial cable that has 9 pins. The cable has shielding.Control System Inputs to PLC Redundant Relay Logic
Table 1
PLC I/O Address    Sensor Description    PLC Alarm Address    Signal Type    Alarm    Shut Down    Setpoint Trip    Comments    
Pressure Contactors    
I:2.0/1
(I:2.0/0)     Engine Low Oil Pressure: 144-0102     B16:105/2     DIGITAL         X     Close Contact     Low Speed    
I:2.0/3
(I:2.0/2)     Engine Low Oil Pressure: 144-0102     B16:113/2     DIGITAL         X     Close Contact     High Speed    
I:2.0/4
(I:2.0/5)     Engine High Crankcase Pressure: 117-1864     B16:81/2     DIGITAL         X     Close Contact        
I:3.0/1     Low Air Starting Pressure: 117-1864     B12:145/2     DIGITAL     X         Open Contact     Removed if Transducer is Ordered    
I:3.0/6     Raw Water Low Pressure     B12:105/2     DIGITAL     X         Open Contact     Removed if Transducer is Ordered    
I:3.0/2     Low Jacket Water Pressure: 144-0102     B12:81/2     DIGITAL     X         Open Contact     Removed if Transducer is Ordered    
I:3.0/3     Low AC/OC Circuit Water Pressure: 144-0102     B12:97/2     DIGITAL     X         Open Contact     Removed if Transducer is Ordered    
Switch/Misc Contacts    
I:3.0/12     Low Battery Voltage: 7C-3508     B13:233/2     DIGITAL     X         Open Contact     Alarm picks up at <~22 VDC    
I:3.0/13     Jacket Water Detection: 125-4340     B13:225/2     DIGITAL     X         Open Contact        
I:2.0/14
I:4.0/0     Emergency Stop (Local)     B16:145/2     DIGITAL         X     Close Contact     Redundant Contacts    
I:2.0/8     Engine Speed Switch Crank Terminate: 100-5675     B13:145/2     DIGITAL     X         > 170 RPM + 2 Sec     Determines Engine Running    
I:2.0/9     Engine Speed Switch Alarm Time Delay: 100-5675     B13:153/2     DIGITAL     X         9 Sec After SS-001     Low