Yokogawa Data Acquisition with PID Control CX2000 Manuel d'utilisateur Page 187

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Index
Configuring the CX1000/CX2000
Control Relay
Module Setting
Select the terminal blocks where you want to register contact outputs from [CTRL1-2],
[CTRL3-4], [CTRL5-6], or [EXTDIO]. [CTRL3-4], [CTRL5-6], and [EXTDIO] are available
only with the CX2000 and when the number of loops is 6 or more (with 6/4 loop select,
selection is not possible when set to 4 loops). EXTDIO is available with the CX2000 and
when External Loop is selected for alarm relay.
FAIL ([CTRL1-2] Only)
Activates the output of a relay contact signal (FAIL signal) if a fault occurs in the CX
CPU. When it is [ON] (default: [OFF]), contact output number [DO001] of control output
terminal block 1 in the [Relay] (Action/Behavior) setting is automatically assigned to [De_
energize/Nonhold].
Self Diagnosis ([CTRL1-2] Only)
Activates the output of a relay contact signal in the event of input burnout, an A/D
converter fault, or reference junction compensation failure. When it is [ON] (default: [OFF]),
contact output number [DO002] of control output terminal block 1 in the [Relay] (Action/
Behavior) setting is automatically assigned to [De_energize/Nonhold].
Relay (Action/Behavior)
Set the contact output relay operating mode to [De_energize/Hold], [De_energize/
Nonhold], [Energize/Hold], or [Energize/Nonhold].
7.3 Control Function Basic Settings
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