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TERMINAL CONNECTIONS
Connect the unit as in the diagram below or refer to the connection diagram on the side of the unit.
■ EXTERNAL DIMENSIONS unit: mm (inch)
21.5 (.85)
10 (.39)
■ CONNECTION DIAGRAM
2-WIRE
TRANSMITTER
–
–
4
+
+
1
–
8
MONITOR
mA
+
5
(4 – 20mA DC)
WIRING INSTRUCTIONS
■ SCREW TERMINAL
Torque: 0.8 N·m
■ SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable.
Applicable wire size: 0.25 to 1.65 mm
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.Ltd, Nichifu Co.,ltd
3.3 (.13) max
CHECKING
1) Terminal wiring: Check that all cables are correctly con-
nected according to the connection diagram.
2) Power input voltage: Check voltage across the terminal
13 – 14 with a multimeter.
3) Input: Check that the input signal is within 0 – 100% of
the full-scale.
4) Output: Check that the load resistance meets the de-
scribed specifications.
84 (3.31)
114 (4.49)
• When mounting, no extra space is needed between units.
9
+
OUTPUT
12
–
13
U(+)
POWER
14
V(–)
(AWG 22 to 16)
2
mm (inch)
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
DIN RAIL
35mm wide
2–4.2x5
(.17x.20)
MTG HOLE
6 (.24) deep
8–M3
SCREW
[4 (.16)]
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.
■ HOW TO CALIBRATE THE OUTPUT SIGNAL
Use a signal source and measuring instruments of sufficient
accuracy level. Turn the power supply on and warm up for
more than 10 minutes.
1) ZERO: Apply 1% input and adjust output to 10%.
2) SPAN: Apply 100% input and adjust output to 100%.
3) Check ZERO adjustment again with 1% 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%, 4%,
16%, 36%, 64% and 100% input signal. Check that the out-
put signal for the respective input signal shows 0%, 20%,
40%, 60%, 80% and 100% within accuracy described in the
data sheet. When the output is out of tolerance, recalibrate
the unit according to the "ADJUSTMENT 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.
M2DL
6 (.23)
4
1
8
5
12
9
14 13
15 (.59)
23 (.91)
EM-5024 Rev.9 P. 2 / 2
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