GS
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GS375 Display
& Anti-Two-Block
INSTALLER AND USER’S MANUAL
INSTALLER AND USER’S MANUAL
GM375 REV.20090303 www.loadsystems.com
Manufacturers of Wireless
Weighing Systems
WARNING!
The GS375 system is designed as an operator aid and is in no way a
substitute for safe operating practice.
!
!
WARNING!
Carefully read and understand this manual before proceeding.
!
!
www.loadsystems.com
Two-Block
Two-Block
Low Batt
Low Batt
Main Hoist
Aux Hoist
BYPASS
GS375
GS375
TEST
Anti-Two-Block
Anti-Two-Block
2
2
The GS375 System
The GS375 System
Read and understand the following:
For your safety and that of the people that come
into contact with
LSI
LSI products, understand the
significance of the instructions included in this
guide, respect all laws and regulations and comply
with applicable standards.
Pay particular attention to items bearing the alert
symbol and the following words:
Warning: this denotes an instruction that if not
complied with may lead to serious injury or death.
Caution: this denotes an instruction that if not
complied with may lead to product failure or
property damage.
Important: this denotes an instruction that if not
complied with may lead to product performance
issues.
!
!
IMPORTANT!
WARNING!
!
!
!
!
CAUTION!
!
!
BEFORE PROCEEDING
BEFORE PROCEEDING
WARNING!
Installation must be made in
compliance with
LSI
LSI instructions and using
supplied components only. Failure to install
all parts, or replacing parts or components
with parts or components not supplied by
LSI
LSI, may lead to system failure, serious
injury or death.
!
!
OPERATIO
OPERATIO
3
3
TABLE OF COTETS
TABLE OF COTETS
1. INTRODUCTION
1.1 OVERVIEW ........................................4
1.2 START-UP ..........................................4
1.3 RECOMMENDED OPERATING
CONDITIONS ....................................4
2. INSTALLATION
2.1 DISPLAY GS375 ................................5
2.1a Mounting Bracket........................................5
2.1b Antenna Position ........................................6
2.1c Power Supply and Lockout Connection ......6
2.2 GS050 ANTI-TWO BLOCK SWITCH
AND GS075 ALL-IN-ONE ANTI-TWO-
BLOCK SWITCH AND WEIGHT ......7
2.2a GS050 Installation ......................................7
2.4b GS075 Installation ......................................8
2.2c Chain length adjustment ............................8
3. OPERATION
3.1 SET THE ID NUMBER ....................10
3.1a Manually Set the ID Number -
Procedure № 1..........................................10
3.1b Manually Set the ID Number -
Procedure № 2..........................................10
4. MAINTENANCE
4.1 REPLACING THE ANTI-TWO-
BLOCK BATTERY ..........................11
4.1a Replacing GS050 Anti-Two-Block Switch
Batteries ....................................................11
4.1b Replacing GS075 All-In-One Anti-Two-Block
Switch and Weight Battery ........................11
4.2 REPLACING THE SENSOR
ANTENNA........................................12
5. CERTIFICATION NOTES
5.1 FCC AND IC – INSTRUCTIONS TO
THE USER ......................................13
6. LSI PRODUCT LIMITED
WARRANTY - 2009/02/16
6.1 LIMITED WARRANTY ....................14
6.2 WARRANTY SERVICES
PROCEDURES................................14
6.3 EXCLUSION OF OTHER
WARRANTIES ................................14
6.4 EXCLUSION ....................................15
6.5 LIMITATION OF LIABILITY ............15
6.6 RECOMMENDED PRACTICES ......15
6.7 CHOICE OF LAW ............................15
6.7a Entire Agreement ......................................15
TABLE OF CONTENTS
TABLE OF CONTENTS
4
4
The GS375 System
The GS375 System
1.1 Overview
1.1 Overview
The anti-two-block indicator kit includes a GS375
display and one or two wireless anti-two-block
switches. The GS375 creates a two-way radio
network with the anti-two-block(s) to monitor status.
When an anti-two-block switch goes from safe to
alarm condition, the GS375 will activate its alarm
and lockout wires within 0.05 seconds. The lockout
wire can be connected to a relay to block crane
functions such as boom out or hoist up.
1.2 Start-Up
1.2 Start-Up
On power up, the display will take between 5 and
10 seconds to communicate with the anti-two-block
switch(es) it controles. After this period, the main
hoist green light should light up steady. If it still
flashes after 30 seconds, it means communication
is not established. See the section on changing
batteries later in this manual, or the section on
changing ID numbers if the switch has been
changed.
The auxiliary hoist green light works the same as
the main hoist green light, but it applies to the
second anti-two-block switch, if present. The
auxiliary hoist green light will stay “off” if the display
is not programmed to communicate with a second
anti-two-block switch.
1.3
1.3
Recommended Operating
Recommended Operating
Conditions
Conditions
Supply voltage:
9 to 30 volts
Current requirements:
maximum 1 amperes
Output wire voltage:
0 volts or supply voltage - 0.7 volts
Output wire current capability:
0.75 amperes
Operating temperature:
-40°C to +85°C (-40°F to 185°F)
1.1.INTRODUCTION
INTRODUCTION
ISTALLATIO
ISTALLATIO
5
5
2.1
2.1
Display GS375
Display GS375
2.1a Mounting Bracket
1. Determine the mounting location; the display
may be installed either inside or outside the
cab. It can be mounted on the dash, on a
sidewall, or on the ceiling of the cab. To ensure
reliable radio communication between antitwo-block switch and the GS375, the
antenna should not be in contact with metal
and should have a direct and clear line of
sight to the sensor antenna. The mounting
bracket requires a flat surface of at least 2.5
inches in diameter on both sides and where the
back of the surface is accessible in order to
tighten the nuts.
2. Drill 1/4 inch boltholes through the mounting
surface with a 1/4 inch bit following either the
two, three, or the four holes configuration.
3. Install the display with bolts. Add washers and lock
nut behind the mounting surface and tighten
sufficiently (bolts, nuts and washers not included).
4. Loosen the wing nut of the bracket arm to adjust
display orientation to facilitate viewing by the
operator and then tighten it back up.
2.2.INSTALLATION
INSTALLATION
GS375
Two
B
l
o
c
k
Figure: Display mounting bracket footprint. Not to scale.
Figure: Install the display and adjust orientation
GS37
5
oist
a
in Hoist
Two-Bl
ock
GS375
7
www.loadsyste
m
t
Aux Hoist
Figure: Display GS375
Figure: Display dimensions (inches). Not to scale.
IMPORTANT!
Do not crack or puncture
the membrane fascia. The GS375 display is
splash and rain proof. Waterproofing depends in
part on the integrity of the membrane.
IMPORTANT!
Do not power wash the
display. The GS375 display is not designed to
withstand high-pressure washing devices that
can erode the membrane fascia seal or create
fissures in the membrane fascia. Power washing
the display voids warranty coverage.
!
!
Note: If the nuts are on the outside of the cab,
caulk with silicone between the washers and the
cab to prevent water entry.
WARNING!
Installation must be made in
compliance with
LSI
LSI instructions and using
supplied components only. Failure to install
all parts, or replacing parts or components
with parts or components not supplied by
LSI
LSI, may lead to system failure, serious
injury or death.
!
!
Field replaceable
Rugged
aluminium
enclosure
Waterproof
design
BYPASS
GS375
GS375
www.loadsystems.com
Two-Block
Low Batt
Main Hoist
ms.co
Aux Hoist
TEST
Anti-Two-Block
Anti-Two-Block
antenna
Part number: TA008
Two way radio
system
Adjustable
Ram-Bracket
with dual ball joints.
Part number: LB002B
1.37
0.906
120° TYP
ø2.5 in. min.
flat surface
0.594
0.594
ø0.218
0.750 0.750
Wing
Nut
4.70
8.83
Main Hoist Aux Hoist
ain Hois
BYPASS TEST
GS375
GS375
3.70
Anti-Two-Block
Anti-Two-Block
6.19
2.20
6.49
2.44
Two-Block
Aux Hoist
BYPASS
TEST
GS375
GS375
Anti-Two-Block
Anti-Two-Block
Cab mounting
surface
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