©201
7
Nelson Heat Tracing Systems
www.nelsonheaters.com
GA2497 Rev.
5
7
4.1
Initial Set-Up
Upon initial power-up, the CM-2201/CM-2202 display will
run self-check, display the software version and then
start
the
main
program.
4.2
Display Modes
This feature determines what messages and functions are
displayed during normal operations. If set to “normal user” only
basic information is displayed. If set to “advanced
user”
all
controller information is displayed. Each parameter shown in
this manual will list the Display Mode required to view
information and access each function duringprogramming.
4.3
Password Protection
The CM-2201/CM-2202 may have password protection enabled
to ensure that sensitive operating parameters are not
inadvertently
adjusted. If
password
protection
is
enabled,
the user will be prompted to enter a valid value to access any
protected
features. The user may also replace
the default
password
value
(1234) with their own unique value for greater
protection of operational parameters.
4.4
Security Levels
CM-2201/CM-2202 has two levels of security. The high level
(Advanced
Display)
requires password protection. Disabling
the password from the Password Enable/Disable menu will keep
the password disabled indefinitely – any parameter can
be
changed without the use of a password.
At
this
level
all the
functions and monitoring
parameters
are
open. The
low
level (Normal Level) does
not
give access to parameters
settings, but is
open
for
few parameters monitoring
like
temperature, current, GFI, etc.
If
the
password
is “Enabled”, when going directly to the
parameter
to
be
changed, after the ‘up’ or ‘down’ arrow is
pressed, the
controlle
r
will ask
for
the password
. T
hen the
parameter
can
be
changed
and saved. The
password
will stay
disabled for 15 min, then be automatically re-enabled. During
the 15 min
period when the password
is
disabled,
other
parameters can be changed and saved.
CM-2201/CM-2202
Installation and Initial Set up
