Powerware 5119 User Manual download pdf (Page 32)

Additional UPS Features

Powerware

5119 User’s Guide www.powerware.com

Pin Out

As shown in Table 2, Pins 1 and 2 operate in two modes: Basic Alarms

mode and Serial Data mode. Basic Alarms mode has AC fail alarm and

output shutdown. Serial Data mode is UPS Code II compliant.

The system always starts in Basic Alarms mode. When serial data is

received at Pin 1, the functionof Pin 1 and Pin 2 changes to Serial Data

mode.

If serial data has not been received before going to battery power, serial

communication is disabled until AC input power returns.

12345

6789

Figure 17. Communication Port

Table 2. Communication Port Configuration

Pin SignalType Function

Basic Alarms Mode - Input: RS-232 level high (+12V) pulse

4 to 5 seconds

Remote UPS off. In absence of AC power, output is

turned off until normal AC power returns

Serial Data Mode - Input: RS-232 data RS-232 serial communication input. 1200 baud,

8 bits, No parity, 1 stop bit, 1 start bit

Basic Alarms Mode - Output: RS-232 level high (+12V) AC Input failure

Serial Data Mode - Output: RS-232 data RS-232 serial communication output. 1200 baud,

8 bits, No parity, 1 stop bit, 1 start bit

3 Output: Open collector transistor ON, 50 mA, 40 Vdc rating AC Input failure

4 Signal Common Signal Common

5 Output: Open collector transistor ON, 50 mA, 40 Vdc rating Impending low battery

6 Input: RS-232 RTS Plug-and-play software enable trigger (activates

when pin changes from +12V to -12V)

7 Input: Relay contact or RS-232 level Remote Emergency Power-Off: UPS total output can

be kept off with low signal or closing relay contact

8 Output: 8 to 25 Vdc, 5W constant power (0.63A max. @ 8V) Auxiliary Control Power

9 Chassis Connection to chassis

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Powerware 5119 User Manual Page 32