GREER Company MicroGuard 586 User manual

GREER COMPANY
Crane Systems
GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 1 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
MicroGuard®586
Rated Capacity Indicator/Limiter System
Operation/Setup Manual
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 2 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
MicroGuard®586
Rated Capacity Indicator/Limiter System
Operation/Setup Manual
Table of Contents
Overview................................................................................................................................................................ 4
System Description .......................................................................................................................................... 5-7
Operator's Display Console - Overview.............................................................................................................. 8-9
Warning/Alarm Indications ............................................................................................................................ 8
Display Windows........................................................................................................................................... 8
Push Buttons................................................................................................................................................. 9
System Operation......................................................................................................................................... 10-19
System Self-Test ................................................................................................................................................. 10
Adjusting Display Contrast .................................................................................................................................. 11
Configuration Selection ....................................................................................................................................... 12
Stowed Jib Code......................................................................................................................................... 12
Parts-of-Line................................................................................................................................................ 13
Normal Operation ................................................................................................................................................ 14
Approaching Overload......................................................................................................................................... 15
Maximum Capacity and Overload ....................................................................................................................... 16
Two-Block Warning.............................................................................................................................................. 17
Alarm Override..................................................................................................................................................... 18
Other Displayed Warnings................................................................................................................................... 19
System Care .................................................................................................................................................. 20-25
Routine Checks and Maintenance.................................................................................................................. 20-25
Faults ................................................................................................................................................................... 26
Fault Messages...................................................................................................................................... 26-28
Extension Reel Voltage Checks .......................................................................................................................... 29

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 3 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Computer Internal Status Indicators ............................................................................................................... 30
Power Indicator States and Actions............................................................................................................ 30
Communication Indicator ................................................................................................................................. 31
Troubleshooting ................................................................................................................................................ 32
System Setup ................................................................................................................................................ 33-42
Required Tools .................................................................................................................................................... 33
Crane Configuration............................................................................................................................................. 33
Accessing the Extension Reel Sensors............................................................................................................... 33
Entering Setup Mode......................................................................................................................................... 34
Extension Reel Cable Guides.............................................................................................................................. 35
Installing the Reel-Off Cable................................................................................................................................ 36
Pre-Tension Steps...................................................................................................................................... 36
Boom Angle Sensor Zero .................................................................................................................................... 37
Boom Extension Sensor Zero.............................................................................................................................. 38
Boom Length Trim ............................................................................................................................................... 39
Jib Selection Setup (Interlock)........................................................................................................................ 40-41
Completion........................................................................................................................................................... 42

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 4 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Overview
The MicroGuard®586 Rated Capacity Indicator/Limiter System is an electronic system used in the operation of
small cranes and boom trucks. The system is designed to provide the crane operator with information to aid in
ensuring safe crane operation. The MicroGuard®586 System is simple to operate. This manual describes the
system and its operation.
PROVIDING THE CONTENTS AND INSTRUCTIONS CONTAINED WITHIN THIS MANUAL ARE
CAREFULLY READ, UNDERSTOOD, AND FOLLOWED, THE OPERATOR WILL HAVE A CLEAR
INDICATION OF RATED CAPACITY, APPROACH TO OVERLOAD, AND TWO-BLOCK CONDITIONS;
HOWEVER, IMPROPER INSTALLATION OF THIS SYSTEM CAN RESULT IN SYSTEM MALFUNCTION!
The MicroGuard®586 System is designed for use as an aid to crane operation.
Do not use this system as a substitute for the experienced crane operator who
has been trained in crane operation and related safety guidelines, or for crane
capacity information and guidelines supplied by the crane manufacturer.
WARNING
!

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 5 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
System Description
The MicroGuard®586 Rated Capacity Indicator/Limiter System is a visual and audible alert system used in
the operation of industrial cranes. The System, which includes a computer, an operator’s display console, an
extension reel, and various types of cables and sensors, is designed to measure and display load weight,
calculate and display maximum capacity and percent rated capacity, display code configuration numbers, and
warn of an approaching overload or two-block condition for each crane configuration.
Please refer to pages 6 and 7 of this manual. The computer (L) provides all of the functions necessary to
read the System sensors, work out computations, and control the disconnect functions. In order to reliably
calculate crane parameters, such as load and rated capacity, and interpret the crane capacity chart and code
configuration numbers, information defining the physical characteristics of the crane has been loaded during
factory setup.
Two hydraulic pressure sensors, housed in the computer, measure the pressure in both sides of the boom
hoist cylinder. Other System sensors, mounted elsewhere on the crane, are connected to the computer via
electrical cables.
The extension reel (P) measures the extended length of the telescoping sections of the boom and enables
calculation of crane radius, load weight, and percent rated capacity. The reel-off cable (M) provides a path,
from the boom head to the computer via the extension reel computer cable (R). This path is used to signal
a possible two-block condition. The boom angle sensor (N) measures the angle of the boom.
The operator’s display console (J) translates data received from the computer and displays the actual load
weight and percent of rated capacity in the display console windows. Visual and audible warnings and
alarms activate when capacity limits are approached or exceeded, or when a two-block condition
is encountered.
This manual describes the system components and the operation of the System; it also includes maintenance
recommendations.

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 6 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
The MicroGuard®586
Rated Capacity Indicator/ Limiter System
LComputer with Hydraulic Pressure Sensors inside JOperator's Display Console

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 7 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
The MicroGuard®586
Rated Capacity Indicator/Limiter System
JOperator's Display Console
(standard location)
PExtension Reel
MReel-Off Cable to Boom Head RExtension Reel Cable to
Computer
NBoom Angle Sensor (inside reel)

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 8 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Operator's Display Console - Overview
Warning/Alarm Indications
Display Windows
The current rated capacity for the crane in the
given configuration will be displayed in this
window along with the current percentage of
rated capacity shown as a bar graph.
The system needs to be configured to match the
current setup of the crane.
The setup codes are shown in this window, along
with the parts-of-line and the stowed jib option (if
available).
The information window shows crane specific
information regarding boom length, boom angle,
and working radius, along with the load on hook.
In addition, information regarding any warnings or
alarms will be flashed in this display area.
The red two-block indicator will light up when a
two-block condition occurs.
The yellow pre-warning light will illuminate at a
90% approach to overload.
The red overload warning lamp will illuminate
when the load reaches or exceeds 100% of the
allowed capacity.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Pre-Warning
Two-Block Overload & Fault
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Rated Capacity
Information
Setup Code

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 9 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Push Buttons
The setup button allows the operator to configure
the system to match the actual setup of the crane.
Codes are present for:
• stowed jib attachments.
If no stowed options are available, this
code will not appear.
• crane configuration.
• number of parts-of-line.
The cancel key is used to cancel the audible
warning and to override the function kickout during
alarm conditions.
The contrast keys are used to adjust the contrast
of the display area.
The display mode keys are used to switch to
different display formats showing various
combinations of boom angle, boom length, and
radius.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Setup
Cancel Contrast Display Mode
Select

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 10 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
System Operation
System Self-Test
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
When the System is turned on, it briefly goes
through a self-testing process.
The display should look like the illustration
to the left.
All three alarm indicators will light up, all display
windows will appear black, and the audible alarm
will sound.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
The information display will now show the crane
model and capacity chart number for the
System configured.
Following self-test, the System will go into the
setup mode. The setup code window will display
the same setup code used when the system was
last powered off.
Check that the correct setup code is displayed
before operating the crane.
See the Configuration Selection section for code
setup instructions.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Setup Code

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 11 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Adjusting Display Contrast
Changes in temperature and lighting conditions
may require adjustment of the display
contrast buttons.
Use the contrast adjustment keys to make the
display area lighter or darker, as desired.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Contrast

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 12 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Configuration Selection
Configuration selection is required upon system power
up; however, it can also be entered
by pressing the setup key.
• The first phase allows selection of the stowed
jib code.
Note: If no stowed jib options are available, this
selection option is skipped.
• The current stowed jib code will be flashing.
The description of the jib is displayed on the bottom
of the display.
• To select a different stowed jib, use the display
select arrow keys to display the desired option.
• Press the setup key to move to the
next stage.
The current configuration appears at the
bottom of the display.
The configuration code will flash.
• To change the configuration code, use the display
select arrows to show the desired option.
• Press the setup key to select and move on to the
next stage.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Stowed Jib

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 13 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
• The current number of parts-of-line is
now flashing.
• To change the parts-of-line, use the display
select arrow keys to display the desired
number.
• To move to the next stage, press the
setup key.
Note: Some configurations allow only single
part-of-line operation.
In these cases, the whole parts-of -line selection
phase will be skipped and the parts-of-line will be
set to 1.
Once the correct parts-of-line are entered, the
system will exit the configuration mode and
return to the normal working screen.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Parts of line

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 14 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Normal Operation
• "Rated Capacity” is the heaviest load that the crane
can lift in the current crane position and configuration.
Note: This value may be limited by the number of
parts-of-line selected.
• “Percent of Rated Capacity” indicates how near the
operation is to full capacity and overload.
• The Percent of Rated Capacity is shown as a bar
graph. This Bar Graph progresses to the right as the
percentage increases.
• As long as the bar graph remains within the green-
bordered normal zone, the Percent of Rated Capacity
is within normal operating limits.
• The weight of the “actual load” appears in the display console window underneath the “LOAD” logo.
The Actual Load includes the weight of the load plus the weight of everything hanging below the boom
(hook block, etc.).
• Next to the “LOAD” logo is the “ANGLE” or “RADIUS” logo; this logo will switch automatically to match the
current configuration (whether angle or radius related). The corresponding angle or radius value is displayed
underneath on the bottom line.
• The final display logo will show “ANGLE”, “RADIUS” or “LENGTH” by default. When operating, this display
area will display “LENGTH”. However, the display select arrow keys can be used to toggle this display area to
show “ANGLE” (for a radius related configuration) or “RADIUS” (for an angle related configuration).
• If the system has any internal faults, it will display a fault message (see section on faults). These fault
messages can be viewed by using the display select arrow keys to move to the fault message display.
Note: If there are no faults, no fault messages will appear.
Note: Both the bar graph and capacity share the same display window. The displayed capacity will move to
the left of the bar graph when the bars value exceeds 60%.
Warning: The operator must select the correct crane configuration code number for each setup configuration
change. Inaccurate or non-selection of the appropriate Code Number will result in incorrect calculations and
readings of the actual load weight and Percent of Rated Capacity. Refer to Configuration Selection, page 12.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Rated Capacity
Percent of Rated Capacity
as a Bar Graph
Actual Load Boom Angle Boom Length

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 15 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Approaching Overload
• The System monitors the weight of the load
suspended below the boom head.
The System compares this information with
rated capacity data stored within the computer.
• When the rated capacity of the configuration
reaches 90%, the bar graph in the window of
the display console progresses from the
normal (green-bordered) zone into the caution
(yellow-bordered) zone.
• A yellow light above the caution zone of the
bar graph lights up and an alarm beeps
continuously.
• The message
“WARNING! – PRE-ALARM” will flash in the
information portion of the screen.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Yellow Lamp

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 16 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Maximum Capacity and Overload
• When the rated capacity of the crane reaches
100%, the bar graph in the window of the
display console moves from the caution
(yellow-bordered) zone into the warning red
zone.
• A red light above the alarm zone of
the bar graph lights up and an alarm sounds
continuously.
• Crane motions (boom extend, boom down,
and winch up) are cut in order to prevent
damage to the crane and the endangerment
of persons near the lifting area.
• As the bar graph moves into the overload
(red-bordered) zone, crane motions remain
cut.
The message, “WARNING! – OVERLOAD” will
flash in the information portion of the screen.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Red and Yellow Lamps

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 17 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Two-Block Warning
• A red light appears and an alarm sounds
continuously when the hook block is on a
collision course with the head machinery at
the end of the boom.
• Crane motions (boom extend, boom down,
and winch up) are cut in order to prevent
damage to the crane and the endangerment
of persons near the lifting area.
The message,
“WARNING! TWO BLOCKING” will appear in
the information area of the display.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Two-Block Lamp

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 18 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
WARNING
!
Alarm Override
The alarm override button is used to temporarily
silence the current audible alarms and to disable
the automatic motion cutout operation built into the
System for protection.
The audible alarm will sound following any new occurence of alarm. Overriding the audible alarm only cancels the audible
warning for current alarms.
To deactivate the audible alarms, press the override button. Continue to hold the button down for 5 seconds to cancel any
existing motion cuts. The override button must be held down to continue overriding the motion cut.
The alarm override button should be used with caution. Automatic audible alarms warning
against overload, two-block dangers, and hazardous tipping conditions are temporarily
silenced when this option is activated. Motion cutout may also be discontinued.
OK
DISPLAY
SETUP
SETUP CODE
STOP
RATED CAPACITY
MG-586 !
SELECT
CONTRAST
Cancel

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 19 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
Other Displayed Warnings
Other warning messages that may flash on the display are shown below. If more than one warning is present at
any one time, the system will display them in a strict rotation.
“MAX LOAD ROPE LIMITED”
This message can only accompany an overload or a pre-alarm warning. For example, such a message will be
displayed if the maximum operational capacity of the crane is being limited by the number of parts-of-line.
“OPERATING OUTSIDE CHART!”
On certain capacity charts stored within the system, additional capacities may have been provided in order to
allow crane movements in areas outside of the published capacity charts supplied with the crane. These
capacities are determined by the manufacturer of the crane to be sufficient to allow movements during rigging,
erection, and setup of the machine prior or subsequent to lifting operations. In such areas, the system displays a
warning message, a yellow pre-warning light.

GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 20 of 44 MicroGuard®586 Operation/Setup Manual
W458200 REV C 10/29/02
WARNING
!
System Care
We recommend that the System checks (1 -9) be carried out when using the
MicroGuard®586 Rated Capacity Indicator/Limiter System.
1 Routine Checks and Maintenance
Items to Check before Each Shift or Crane Operation
• Crane configuration and System setup
• Extension reel – reel-off cable to boom tip – Extension reel cable to computer
• Hydraulic connections
• The anti-two-block weight
• The anti-two-block switch
• Checking the two-block warning signals and cutout of machine motions
MINIMUM MONTHLY CHECKS
• Load test
2 Routine Checks and Maintenance
Crane Configuration and System Setup
The crane configuration defines the physical setup of the crane. The system setup defines the load
parameters for each configuration. The data for these calculations are loaded in the capacity chart and installed
in the crane's computer prior to factory shipment.
ENSURE THAT THE CONFIGURATION CODE NUMBER IN THE
DISPLAY CONSOLE WINDOW IDENTIFIES THE CRANE'S
CONFIGURATION FOR THE CURRENT OPERATION.
IF IN DOUBT, SELECT THE CODE NUMBER AGAIN FOLLOWING
THE STEPS OUTLINED IN THE SECTION ON
CRANE OPTIONS AND SETUP CODES.
CHECK THE ABOVE OPERATIONS BEFORE EACH SHIFT OR CRANE OPERATION
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