Hoffman Controls 610 Series - Installation

specific numeric values can be set, using the
UP
and
DOWN
buttons. When that specific menu or submenu's selection is
correct, for the application,
press the
ENTER
button to
ENTER button to ENTER
save the
displayed setting and advance to the next submenu. Once all of
the mode's submenus have been displayed, pressing the ENTER
button one more time returns the LCD to the Home Screen
. Any
values or parameters that are changed are stored in the Model 610's
flash memory and will be retained during any power interruption.
R
emote operation requires a Modbus version of the Model 610
Remote operation requires a Modbus version of the Model 610 R
Digital Current Monitor
[models ending in "(MOD)"
that is con-
ne
ct
ed to a Modbus RTU communication link. A Modbus RTU
Master Computer is used to read and / or write data to any or all
of the
internal data registers within
each
Model 610
connected to
the
communication link
.
Remote operation can be implemented, at anytime, by using a
Modbus RTU master computer to send the appro
priate register
data, listed in
Table
6A & 6B
,
on pages 13 & 1
4
,
to the Model
610's internal data registers, via a 3 wire Modbus RTU connection.
All of the Model 610's
options,
parameters and numerical values
can be read and set remotely using the Modbus
RTU connection.
NOTE:
Since t
he Model 610's operation is controlled by the
data stored within its internal registers, the Model 610
provides
the same identical operation,
whether
the register data is changed
locally (
m
anually) or remotely.
When
the Model 610 is equipped with Modbus, all sensed
current and temperature values, all trip information, and all
settable parameters and numerical values can be remotely viewed
and/or updated using a Modbus RTU master computer. The
Modbus RTU
master computer can read and or write information
(data) to each
Model 610
connected to Modbus. See the
Modbus
RTU Operation
section
(page 16) for additional information.
A combination of local and remote operation can be used to
remotely download and verify any of the Model 610's updated
parameters and numerical values. An installer observes local opera-
tion after the download, then makes and verifies any further
operational improvements, before the register data is uploaded to
the remote site and saved for future use.
3
Description Con't
1.
The Model 610 Digital Current Monitor is designed for u
se
with single phase or three (3) phase motors (across
-
the-line or part
[split] winding) that draw between 5 and 250 amps.
2.
The
TRIP
and
ALARM
relays' maximum output ratings are:
24 VAC at 10 Amps each.
3.
Wiring must comply with Local and National Electrical
Codes.
4.
Locked Rotor Amps (LRA) is calculated as 5 times the motor’s
running (trip) amps.
5
.
Do not mount the Model 610 in an airtight cabinet/compart-
ment or on a vibrating surface.
6
.
Do not route the low voltage CT wires in the proximity of
power wires or wire conduits.
For Both Local and Remote Operation:
NOTE:
The Model 610 Digital Current Monitor is not weatherproof
and needs to be protected from moisture and condensation
.
IMPORTANT:
T
he
TRIP
and
ALARM
relays'
N.O.
and
N.C.
terminal
names correctly identify the functions of these terminals
after 24 VAC power is applied to the Model 610. When
24 VAC power is turned off, the TRIP and ALARM
relay's
N.O.
to
COM
contact is
closed
and the
closed and the closed
N.C.
to
COM
contact
is
open
.
This arrangement was chosen to
enab
le the Model 610 Digital Current Monitor to discon-
nect power to the motor and enable an alarm in the event
that the Model 610 Digital Current Monitor loses power
or fails.
�
IMPORTANT:
If any of the down loaded Modbus RTU data is incor-
rect, the Model 610 Digital Current Monitor's micro-
controller will change the incorrect data into software
selected default values during the Model 610's next oper-
ating cycle. Therefore, after updating any data manually
or remotel
y,
or remotely,or remotel
th
e operator
MUST
allow the Model 610 to
operate
for a brief time period
before reviewing ALL of
for a brief time period before reviewing ALL of for a brief time period
the data contained in each of the
Model 610
's
3
2
register
addresses to 1) ensure that all of the operating param-
eters and numerical values, needed for the application,
have been correctly selected and 2) also ensure that any
unneeded or undesired options or numerical values have
not inadvertently been left selected.
�
IMPORTANT:
After updating any information displayed on the LCD's
screen, the installer MUST review ALL of the Model
610 Digital Current Monitor's mode, menu, submenu
and numerical value options to 1) ensure that all of the
operating parameters, needed for the application, have
been correctly selected and 2) also ensure that any un-
needed or undesired options or numerical values have
not inadvertently been left selected.
�
During
Remote Operation:
During Remote Operation:During
Installation