YOKOGAWA SALD Style S, User Manual

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IM 01B04K02-02E
Installation
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App
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3.2 Example of Alarm Wiring
The SALD mV and temperature alarm unit provides various types or alarms depending on
the setting of the alarm action or the method of connecting the alarm output terminals.
Thus, the necessary wiring should be made with reference to the following two examples:
3.2.1 High-limit and High-high-limit Alarms
Set the direct action (DIRECT) for the alarm actions of both alarms 1 and 2. Then wire the
terminals as illustrated in Figure 3-2.
F0302.ai
SALD
mV and Temperature
Alarm Unit
H
H
Alarm output terminal
Alarm 2 setting
Alarm 1 setting
Input value
Figure 3-2 External Wiring - Example 1
3.2.2 Three-position Alarm
Set the reverse action (REVERSE) for the alarm action of alarm 1, and the direct action
(DIRECT) for the alarm action of alarm 2. Then wire the terminals as illustrated in Figure
3-3..
F0302.ai
L
Alarm output terminal
Alarm 2 setting
Alarm 1 setting
Input value
N
H
Alarm
SALD
mV and Temperature
Alarm Unit
Figure 3-3 External Wiring - Example 2