Yokogawa JUXTA MH7 - Manual

User’s
Manual
Network Solutions Business Divisiion
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
Phone: +81-422-52-7179
Facsimile: +81-422-52-6793
Please read through this User’s Manual before use for correct handling.
Please keep this User’s Manual for future reference.
Model MH7
Isolator
(Unified Signal Type)
1. CAUTIONARY NOTES FOR SAFE USE OF THE PRODUCT
This User’s Manual should be carefully read before installing and oper-
ating the product. The following symbol is used on the product and in
this manual to ensure safe use.
This symbol is displayed on the product when it is
necessary to refer to the User’s Manual for information on
personnel and instrument safety. This symbol is displayed
in the User’s Manual to indicate precautions for avoiding
danger to the operator, such as an electric shock.
The following symbols are used only in this manual.
IMPORTANT
Indicates that operating the hardware or software in a
particular manner may cause damage or result in a system
failure.
NOTE
Draws attention to essential information for understanding
the operations and/or functions of the product.
2. CHECKING PRODUCT SPECIFICATIONS AND PACKAGED ITEMS
(1) Checking the Model and Product Specifications
Check that the model and specifications indicated on the nameplate
attached to the side face of the main unit are as ordered.
(2) Packaged Items
Check that the packing carton contains the following items:
● MH7: 1
● Receiving resistor (for currrent input): 1
● Spacer (used for DIN rail mounting): 1
● User’s Manual (this manual: IM 77J04H07-01E): 1 copy
3. GENERAL
This plug-in type isolator receives 4 to 20 mA DC current or 1 to 5 V DC
voltage signals to convert them into isolated 4 to 20 mA DC current or 1
to 5 V DC voltage signals.
4. MOUNTING METHOD
NOTE
Insert/pull out the main unit into/from the socket vertically
to the face of socket. Otherwise the terminals are bent and
it may cause a bad contact.
IM 77J04H07-01E
1st Edition Jul. 2003 (MC)
2nd Edition June 2004 (YK)
4.1 Wall Mounting
Remove the stoppers (top and bottom) from the product and pull out
the main unit from the socket. Fix the socket on the wall using two M4
screws. Next, insert the main unit into the socket and fasten the main
unit with the stoppers (top and bottom).
5 or more
(51)
(85)
Socket
Socket
Stopper
Main unit
Mounting
screws
Unit: mm
40 ± 0.2
Pitch: 55 or more
2-ø4.5 or 2-M4
Note:
(1) More than 5 mm interval is
required for side-by-side
close mounting.
(2) Use the supplied spacer for
DIN rail mounting to keep 5
mm interval.
4.2 DIN Rail Mounting
Insert a DIN rail into the upper part of the DIN rail groove on the rear of
the socket, and then slide the slide lock at the lower part of the socket
upwards until the socket is fixed into position as shown below.
Slide lock
Spacer
DIN rail
DIN rail
Fit into here
Push
(Rear of the socket)
4.3 Using a Duct
When using a wiring duct, install the duct at leaset 20 mm away from
the top and bottom faces of the main unit.
IM 77J04H07-01E