4 - 7 4 - 7
MELSEC-Q
4 SETUP AND PROCEDURES BEFORE OPERATION
(2) Q62AD-DGH
V+
V-
V
P
I/CHK+
CHK-
24V
24G
24V
24G
DC24V
*4
*5
*2
250
*3
24V
24G
FG
(4 to 20mA)
2-wire
transmitter
+
-
Current
limiting circuit
Insulating
circuit
Transmitter
power supply
Filter
*1 Shielded
*1 Use a 2-core twisted shielded wire for the power wire.
*2 Shows input resistance.
*3 To connect with the 2-wire transmitter, be sure to connect to P and I/CHK+.
*4 Always use a ground. In addition, ground the FG of the power supply module.
*5 The check terminals (I/CHK+, CHK-) are used to check the amount of input
in mA in relation to the 2-wire transmitter output.
This can be checked since analog inputs of 4 to 20mA are converted to analog outputs of 1 to 5V.
The relationship of this conversion can be expressed by the following formula:
1000
250
Analog output (V) =
Analog input (mA)
IMPORTANT
Q62AD-DGH needs to powered on 30 minutes prior to operation for compliance to
the specification (accuracy).
Therefore, power on 30 minutes prior to offset/gain setting or after online module
change.
Summary of Contents for GX Configurator-AD
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Page 120: ...5 31 5 31 MELSEC Q 5 UTILITY PACKAGE GX Configurator AD MEMO ...
Page 145: ...6 25 6 25 MELSEC Q 6 PROGRAMMING MEMO ...
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