3
IM 04L51B11-01EN
Safety Precautions
Read the precautions provided in the Model GX10/GX20/
GP10/GP20 Paperless Recorder First Step Guide (IM
04L51B01-02EN, paper manual), and use it correctly.
Conventions Used in This Manual
Calls attentions to actions or conditions
that could cause light injury to the user
or damage to the instrument or user’s
data, and precautions that can be taken
to prevent such occurrences.
Indicates important information required
to understand operations or functions.
Checking the Package Contents
After receiving the product and opening the package,
check the items described below. If the wrong items
have been delivered, if items are missing, or if there is a
problem with the appearance of the items, contact your
nearest Yokogawa dealer.
Check that the product that you received is what you
ordered by referring to the model name and suffix code
given on the name plate on the GX20W.
NO. (Instrument Number)
When contacting the dealer from which you purchased the
instrument, please give them the instrument number.
MODEL and SUFFIX Codes
GX20W
Model Code
Optional
Code
Description
GX20W-2E/BC
/D5/FL/UH
Paperless Recorder, Panel mount type,
Large display, Wireless Model with
Communication Channel Function
2, 5
-2: Large Memory Type (max. no. of
measurement ch : 500)
E: Display Language: English, degF, DST
(summer/winter time)
3
/BC: Black cover
1
/D5: VGA output
1
/FL: Fail output, 1 point
1
/UH: USB Interface (host 2 ports)
1
Optional features /AH
Aerospace heat treatment
/BT
Multi-batch function
/C3
RS-422/485
1
/CE
Conform to CE marking (R&TTE, RoHS)
8
/CEN
Not conform to CE marking
8
/CG
Custom display function
4
/E1
EtherNet/IP communication
/E2
WT communication
/E3
OPC-UA server
/E4
SLMP communication (Mitsubishi PLC)
/LG
LOG scale
/MT
Mathematical function (with report function)
6 7
1
/BC, D5, /FL, and /UH are standard functions on GX20W.
2
The expandable I/O (GX60) cannot be connected to the GX20W.
3
The Display language is selectable from English, German, French, Russian,
Korean, Chinese, Japanese.
To confirm the current available languages, please visit the following website.
URL: www.yokogawa.com/ns/language/
4
Creating custom displays requires DXA170 DAQStudio (sold separately).
(GX20W does not have a creation function.)
5
Includes the basic right to use the accompanying software.
6
Optional code /MT (MATH) required if using the GX90XD’s or GX90WD’s pulse
input.
7
The /MT option (computation) is required to perform pulse integration on
GX90XP pulse input modules.
8
Either /CE or /CEN option is mandatory to be specified
Standard Accessories
The instrument is shipped with the following accessories.
Make sure that all accessories are present and
undamaged.
No. Name
Part Number/Model Qty. Notes
1
Mounting
bracket
B8740DY
2
2
SD memory
card
773001
1
1GB
3
Dummy cover B8740CZ
For empty slots
4
Tag plate
B8740FE
1
5
Sheet
B8740FF
1
6
Stylus
B8740BZ
1
7
+2dBi Antenna
1
F9193DH
1
8
Manual
IM 04L51B01-02EN
1
First Step Guide
IM 04L51B01-04Z1
1
Quick, Easy Steps
IM 04L51B11-01EN
1
(This manual)
9
DVD-ROM
F9193LA
1
YFGW710 Online
Manual
Field Wireless
Configurator
Field Wireless
Management Tool
1
Use the supplied antenna.
If you have any questions, contact your nearest YOKOGAWA dealer.
Optional Accessories (Sold separately)
Name
Part Number/
Model
Minimum.
Q’ty
Notes
Remote antenna cable
1
(With remote antenna
mounting bracket.)
F9193UA
1
1m
F9193UB
1
3m
F9193UC
1
4 m (1 m+3 m)
with arrestor.
F9193UD
1
6 m (3 m+3 m)
with arrestor.
F9193UE
1
13 m (3 m+10 m)
with arrestor.
1
Use of remote antenna cable is limited by local regulation of radio and
telecommunication law. Consult Yokogawa for details..
Name
Part Number/
Model
Minimum.
Q’ty
Notes
Mounting bracket
B8740DY
2
SD memory card
773001
1
1GB
Stylus
B8740BZ
1
Shunt resistor
(for M3 screw terminal)
415940
1
250 Ω ± 0.1%
415941
1
100 Ω ± 0.1%
415942
1
10 Ω ± 0.1%
Shunt resistor
(for clamp terminal)
438920
1
250 Ω ± 0.1%
438921
1
100 Ω ± 0.1%
438922
1
10 Ω ± 0.1%
Dummy cover
B8740CZ
-
For empty slots