GE PQMII, Инструкция по эксплуатации

Страница: 111 / 216

CHAPTER 5: SETPOINTS
PQMII POWER QUALITY METER – INSTRUCTION MANUAL 5–27
5.3.4 Switch Inputs
PATH: SETPOINTS
ÖØ
S2 SYSTEM SETUP
ÖØ
SWITCH INPUT A(D)
There are four (4) Switch Inputs, denoted as Switch Input A, B, C, and D.
•
SWITCH A(D) NAME : This message allows the user to input a user defined 20-
character alphanumeric name for each switch input. To enter a switch name, perform
the following steps:
Z Allow access to setpoints by enabling setpoint access.
Z Select the switch input message display under the subgroup
S2 SYSTEM
SETUP
ÖØ
SWITCH INPUT A
.
Z
Use the
VALUE
keys to change the blinking character over the cursor. A
space is selected like a character.
Z Press the
ENTER
key to store the character and advance the cursor to the
next position. To skip over a character press the
ENTER
key.
Z
Continue entering characters and spaces until the desired message is
displayed. If a character is entered incorrectly, press the
ENTER
key
repeatedly to return the cursor to the position of the error, and re-enter
the character.
• SWITCH A(D) FUNCTION : Select the required function for each switch input. See
Switch Inputs (Optional)
on page 2–12 for a description of each function. The “New
Demand Period”, “Setpoint Access”, “Select Analog Out”, “Select Analog In”, “Pulse Input
1", “Pulse Input 2", “Pulse Input 3", “Pulse Input 4", “Clear Energy” and “Clear Demand”
functions can be assigned to only one switch input at a time. If an attempt is made to
assign one of these functions to more than one input, the
THIS SWITCH FUNCTION
ALREADY ASSIGNED
flash message will be displayed. If an attempt is made via the
serial port, no flash message will appear but an error code will be returned.
The range of functions for the
SWITCH A(D) FUNCTION
setpoint is: Not Used, Alarm, Aux1,
Aux2, Aux3, New Demand Period, Setpoint Access, Select Analog Out, Select Analog In,
Pulse Input 1, Pulse Input 2, Pulse Input 3, Pulse Input 4, Clear Energy, Clear Demand.
• SWITCH A(D) ACTIVATION : This setpoint determines the operating sequence of the
switch. Select “Open” if a switch activation is required for a switch input transition of
closed to open. Select “Closed” if a switch activation is required for a switch input
transition of open to closed.
• SWITCH A(D) TIME DELAY : If the switch input function is assigned to “Alarm”, “Aux1”,
“Aux2”, or “Aux3”, this message will be displayed. Enter the required time delay in this
message.
„
SWITCH INPUT A [
Z
] SWITCH A NAME:
Switch Input A
Range: 20 alphanumeric characters
MESSAGE
SWITCH A FUNCTION:
NOT USED
Range: see description below
MESSAGE
SWITCH A ACTIVATION:
OPEN
Range: Open, Closed
MESSAGE
SWITCH A TIME DELAY:
0.0 s
Range: 0.0 to 600.0 s in steps of 1