COMMUNICATION

Installing Communication Features

To install the communication options and control terminals:

1.Install and connect the appropriate cable(s).

See the following section,

Terminals" on page 52 for detailed information.

2.Route and tie the cable(s) out of the way.

Communication Options

The EMS−UGK has serial communication capabilities through the serial port or through the X−Slot card.

Serial Port (Service)

To establish communication between the EMS−UGK and a computer, connect your computer to the EMS−UGK serial port using a communication cable (not supplied).

If the optional conduit box is installed, a DB−9 extender cable (supplied) provides access to the port.

The cable pins are identified in Figure 21 and the pin functions are described in Table 10. See Figure 20 for the serial port location.

 

 

6

7

 

8

9

 

 

 

1

2

3

4

5

 

 

 

Figure 21. Serial Port

 

Table 10. Serial Port Pin Assignment

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Number

Signal Name

 

Function

Direction from the

 

EMS−UGK

 

 

 

 

 

 

 

 

 

 

 

2

TxD

Transmit to external device

Out

 

 

 

 

3

RxD

Receive from external device

In

 

 

 

 

5

GND

Signal common (tied to chassis)

 

 

 

 

 

 

 

 

 

50 EATON Powerware® Energy Management System (EMS) Upgrade Kit User’s Guide S 164201724 Rev 1 www.powerware.com

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Powerware 400/230V, 380/220V, 415/240V manual Installing Communication Features, Communication Options, Serial Port Service
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