Easidew Online User’s Manual
16 97094 Issue 18.5, March 2016
INSTALLATION
2.10 Preparation of the Transmitter cable
The transmitter cable is supplied as standard. A cable can be obtained by contacting
your local distributor or Michell Instruments (see www.michell.com for details).
Cable connection to the Easidew transmitter is made via the removable connector.
Removing the central screw enables the connector terminal block to be removed from
the outer housing by using a small screwdriver to prise it clear.
i
O-ring
and washer
Figure 13
Connector Terminal Block Removal
Caution: When removing the central screw ensure that the
small sealing O-ring and the washer are retained on the screw
and are present during re-installation.
For the transmitter to work properly, and to achieve maximum performance, the
transmitter cable must be connected to the sensor connector as shown in the drawing
below:
Note: The drawing below shows the identity of the connector terminals and
wiring connections of the cable manufactured by Michell Instruments:
SCALE 2:1
i
j
SHORT
AS POSSIBLE
h
1
3
2
4
BLUE
BRAID
BRAID
GREEN - 4-20 mA
(SOURCE)
SCREEN
RED
+POWER
GND
VIEW ON REAR
OF CONNECTOR
GREEN
SIGNAL (SOURCE)
GREEN
YELLOW
BLUE
RED
h
h
BLUE - SCREEN
RED + POWER
GREEN - 4-20 mA
BLUE - SCREEN
RED + POWER
GN
RD
BL
Figure 14
Wiring Connections
Always connect the 4-20 mA return signal to a suitable load
(see
Figure 14)
before the power is applied. Without this
connection, the transmitter may be damaged if allowed to
operate for prolonged periods.
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