Precision Digital Corporation Helios PD2-6400, Manual, Page: 18 / 23

PD2-6400
Helios High Voltage & Current Meter
www.predig.com
18
Function Key, Digital Inputs, & Digital Outputs Descriptions
The following table describes the actions that Helios function keys and digital inputs can be programmed to perform. The table
also describes how the digital outputs can be used to remotely monitor the Helios’s alarm relay states, or the states of a variety of
actions and functions executed by the meter.
Display Description Item
Rst Hi
Reset the stored maximum
display value
FK, DI, DO
Rst Lo
Reset the stored minimum
display value
FK, DI, DO
Rst HL
Reset the stored maximum &
minimum display values
FK, DI, DO
relay
Directly access the relay menu FK, DI
Set 1
*
Directly access the set point
menu for relay 1 (*through 8)
FK, DI
Rly d
Disable all relays until a button
assigned to enable relays
(
Rly E
) is pressed
FK, DI
Rly E
Enable all relays to function as
they have been programmed
FK, DI
O Hold
Hold current relay states and
analog output as they are until
a button assigned to enable
relays (
Rly E
) is pressed
FK, DI
d Hold
Hold the current display value,
relay states, and analog
output momentarily while the
function key or digital input is
active. The process value will
continue to be calculated in the
background.
FK, DI
Ln1 Hi
Display maximum display value
on line 1
FK, DI
Ln1 Lo
Display minimum display value
on line 1
FK, DI
Ln1 HL
Display maximum & minimum
display values on line 1
FK, DI
Display Description Item
Ln2 Hi
Display maximum display value
on line 2
FK, DI
Ln2 Lo
Display minimum display value
on line 2
FK, DI
Ln2 HL
Display maximum & minimum
display values on line 2
FK, DI
F On 1
*
Force relay 1 (*through 4) into
the on state. This is used in
conjunction with a digital input
expansion module to achieve
interlock functionality.
FK, DI
Contrl
Directly access the control menu FK, DI
disabl
Disable the selected function
key or digital I/O
FK, DI
AcH
Acknowledge all active relays
that are in a manual operation
mode such as auto-manual or
latching
FK, DI, DO
Reset
Directly access the reset menu FK, DI
nmenu
Mimic the menu button
functionality (digital inputs only)
DI
rigHt
Mimic the right arrow/F1 button
functionality (digital inputs only)
DI
up
Mimic the up arrow/F2 button
functionality (digital inputs only)
DI
Enter
Mimic the enter/F3 button
functionality (digital inputs only)
DI
Alnm 1
*
Provide indication when
alarm 1 (*through 8) has been
triggered (digital outputs only)
DO
FK: Function Keys DI: Digital Inputs DO: Digital Outputs
Watch video about the programmable function keys, digital inputs, and all the capabilities these
features offer on the P
ro
V
u
Series.