M-system 6SN Manual de usuario
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System’s Sales Office or representatives.
■PACKAGE INCLUDES:
Signal conditioner ...............................................................(1)
(Option) DIN rail mounting plate (model: A-31) .........(1 set)
(Option) Spring clip (model: A-02)................................(1 set)
■MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
■GENERAL PRECAUTION
• Before you remove the unit or mount it, turn off the input
signal for safety.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -5 to +70°C
(23 to 158°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
■WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■AND ....
• The unit is designed to function as soon as the input sig-
nal is supplied, however, a warm up for 10 minutes is re-
quired for satisfying complete performance described in
the data sheet.
COMPONENT IDENTIFICATION
Specifications
Knurled Knob
Body
Knurled Knob
Connection Diagram
(Top)
INSTALLATION
■35-mm DIN RAIL MOUNTING PLATE A-31 (optional) unit: mm (inch)
1) Attach the unit to the DIN rail mounting plate with
screws included in the package.
2) Set the plate so that its DIN rail adapter is at the bottom.
Hang the upper hook at the rear side on the DIN rail
and push in the lower. When removing the plate, push
down the DIN rail adapter utilizing minus screwdriver
and pull.
80 (3.15) MIN.
■SPRING CLIP A-02 (optional)
1) Remove the two flat-
head screws Alocated at
the bottom as shown to
the right.
2) Set Spring Clip Bon
the mounting hole and
tighten it as shown to
the right with a binding
screw Cincluded in the
package.
3) Check that the clips
contract and release
smoothly.
A
B
C
INPUT LOOP POWERED ISOLATOR MODEL 6SN
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-4219 Rev.7 P. 1 / 2
INSTRUCTION MANUAL
TERMINAL CONNECTIONS
Connect the unit as in the diagram below or refer to the connection diagram on the top of the unit.
■EXTERNAL DIMENSIONS unit: mm (inch)
76 (2.99) dia. 40 (1.57)
52.5 (2.07)
1 (.04)
60.9 (2.40)
46 (1.81)
50 (1.97)
4–M3 (.12) TAP
6 (.24) deep
1 2 3 4
5 6
■CONNECTION DIAGRAM
+
–
INPUT
1+
–
5
6
2
OUTPUT
WIRING INSTRUCTIONS
■SCREW TERMINAL
Torque: 0.6 N·m
CHECKING
1) Terminal wiring: Check that all cables are correctly con-
nected according to the connection diagram.
2) Input: Check current with an ammeter. Be sure that the
connected transmitter allows the load shown in the fol-
lowing table.
MODEL EQUIVALENT INPUT IMPEDANCE
6SN-A 230Ω plus output load
6SN-H 90Ω plus output load × 0.16
3) Output: Check that output load is within the permissible
limit shown in the following table.
MODEL LOAD RESISTANCE
6SN-A 50 – 350Ω
6SN-H 50 – 600Ω
ADJUSTMENT PROCEDURE
This unit is calibrated at the factory to meet the ordered
specifications, therefore you usually do not need any cali-
bration.
For matching the signal to a receiving instrument or in case
of regular calibration, adjust the output as explained in the
following. Zero and Span adjustments are located behind
the top cover. Release the knurled knobs and open the cover.
1234
56
VR1 VR2
■HOW TO CALIBRATE THE OUTPUT SIGNAL
Use a signal source and measuring instruments of sufficient
accuracy level. Turn the input signal on and warm up for
more than 10 minutes.
1) ZERO: Apply 0% input and adjust output to 0% with the
VR1.
2) SPAN: Apply 100% input and adjust output to 100% with
the VR2.
3) Check ZERO adjustment again with 0% input.
4) When ZERO value is changed, repeat the above proce-
dure 1) – 3).
MAINTENANCE
Regular calibration procedure is explained below:
■CALIBRATION
Warm up the unit for at least 10 minutes. Apply 0%, 25%,
50%, 75% and 100% input signal. Check that the output
signal for the respective input signal remains within accu-
racy described in the data sheet. When the output is out of
tolerance, recalibrate the unit according to the “ADJUST-
MENT PROCEDURE” explained earlier.
LIGHTNING SURGE PROTECTION
M-System offers a series of lightning surge protector for
protection against induced lightning surges. Please contact
M-System to choose appropriate models.
6SN
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-4219 Rev.7 P. 2 / 2
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