Global Water
800-876-1172 • globalw.com
00-663 Rev. B
Publication Number 38590512
Global Water
Instrumentation, Inc.
151 Graham Road
P. O. Box 9010
College Station, TX 77842-9010
T: 800-876-1172
Int’l: (979) 690-5560, F: (979) 690-0440
4-20 mA Output Module
RG700
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Global Water
800-876-1172 • globalw.com
Congratulations on your purchase of the Global Water RG700
4-20 mA Output Module. This instrument has been quality tested and approved for
providing accurate and reliable measurements. We are confident that you will find
the RG700 to be a valuable asset for your application. Should you require
assistance, our technical staff will be happy to help.
Table of Contents
I. RG700 Checklist ............................................................................... 3
II. Inspection .......................................................................................... 3
III. Description ........................................................................................ 3
IV. Installing the 4-20 mA Output Modul e .............................................. 3
V. Using the 4-20 mA Output Module ................................................... 4
VI. Specifications .................................................................................... 4
VII. Maintenance ...................................................................................... 4
VIII. Trouble Shooting ............................................................................... 5
IX. Warranty ............................................................................................ 6
X. Appendix A: RG700 terminal diagram .............................................. 7
* Copyright Global Water Instrumentatio n, I nc. 2012
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I. RG700 Checklist
a. 4-20 mA Output Module
b. RG700 Manual
II. Inspection
a. Your RG700 unit was carefully inspected and certif ied by our Quality
Assurance Team before shipping. If any signific ant damage has
occurred during shipping, please not ify Global Water Instrumentation,
Inc. and file a claim with the carrier involv ed. Use the checklist to
ensure that you have received everything need ed to operate the
RG700.
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III. Description
a. The Global 4-20 mA Output Module, RG700, is a rugged, reliable, and
accurate instrument for converting input puls es into a 4-20mA analog
output signal.
IV. Installing the 4-20 mA Output Modul e
a. Place the module in an area that is protected from direct rainfall and
immersion in water. The module is water resis tant , not water proof.
b. The pulse device is connected to terminals 1 and 2. Polar ity is not an
issue. Please refer to Appendix A: RG700 t er minal diagram.
c. Terminals 3-5 ar e output ports which are not used. Terminal 4 is the
4-20mA current output.
d. Terminals 6-8 are the module’s power terminals. Terminal 6 is the
positive voltage input switch to the attached sensor. Positive voltage
goes into terminal 7. Terminal 8 is for the ground signal.
e. If the unit is intended to operate indefinitely, c onnect terminals 6 and 7
together.
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Global Water
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f. Connect the monitoring device to t he m odule us ing terminal 7 as the
power source, terminal 4 as the signal wire, and terminal 8 as the
ground wire.
V. Using the 4-20 mA Output Module
c. There are two versions of the 4-20 mA Output Module. One is
designed to output 20mA when the pulse rate is 32 pulses /minute.
The other is designed to output 20mA when the pulse rate is 4095
pulses/min.
d. If the unit is switched on and off via terminal 6, the power mus t remain
on for 1 minute before the reading is valid.
VI. Specifications
Range: 4-20mA
Operating Temperature: 0° to +51°C
Size of unit: 3.25"x1.5”x2”
Weight: .5 lb.
VII. Maintenance
a. The unit should be cleaned periodically using a damp clean c loth. Do
not use Acetone.
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VIII. Trouble Shooting
Issue: Module not reading correctly
a. Check battery voltage.
b. Verify pulse input device is working correctly.
Other issues
a. Call us for tech support: 800-876-1172 or (979) 690-5560 (many
problems can be solved over the phone). Fax: (979) 690-0440 or
Email: globalw@globalw.com.
Be prepared to describe the problem you are experiencing including
specific details of the application and installation and any additional
pertinent information.
b. If the equipment needs to be returned to the factory for any reason,
please call to obtain a RMA # (Return Material Authoriz ation). Do not
return items without a RMA # on the outside of the package.
Include a written statement describing the problems.
Send the package with shipping prepaid to our factory address. Insure
your shipment, as the warranty does not c ov er damage incur r ed dur ing
transit.
c. When calling f or tech support, please have the following information
ready;
1. Model #.
2. Unit serial number.
3. P.O.# the equipment was purchased on.
4. Our sales number or the invoice number.
5. Repair instructions and/or specific pr oblems relating to the
Global Water
800-876-1172 • globalw.com
product.
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IX. Warranty
a. Global Water Instrumentation, Inc . warr ants that its products are free
b. The warranty begins on the date of your invoice.
Global Water
800-876-1172 • globalw.com
from defects in material and workmanship under normal use and
service for a period of one year from date of shipment from factory.
Global Water’s obligations under this w ar r anty are limited to, at Global
Water’s option: (I) replacing or (II) repairing; any products determined
to be defective. In no case shall Global Water ’s liability exceed the
products original purchase price. This w ar r anty does not apply to any
equipment that has been repaired or altered, ex c ept by Global Water
Instrumentation, Inc., or which has been s ubjec t to misuse, negligence
or accident. It is expressly agreed that this warranty will be in lieu of
all warranties of fitness and in lieu of the warr anty of merchantability.
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Global Water
800-876-1172 • globalw.com
X. Appendix A: RG700 terminal diagram
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