Yokogawa DR240 - Manual (Page 122)

8-3 IM DR231-01E
Setting Displaying and Recording Alarms
8
8.1 Setting Alarms and Relays (including internal switches)
Setting Relays (Internal Switches)
Set which alarm output relay or internal switch should be triggered when an alarm occurs:
• Select the desired alarm output relay or internal switch from among the following. The default
setting is OFF.
• OFF: Alarm output relays and internal switches remain OFF.
• S01 to S60: 60 internal switches are provided.
• 0N1 to 0 (N + 1) 0: /A4 option. N = Slot number for an alarm module. Ten relays are
provided.
• 0M1 to 0M2: /R1 option. M = Slot number for a DI/DO module. Two relays are provided.
• For the model with both /A4 and /R1 options, both the above can be selected
simultaneously.
• Multiple alarm setpoints can be set for one alarm output relay or internal switch.
• The operation mode in the alarm output relay or internal switch can be set when an alarm
occurs. For details, see Section 10.4, “Setting Operation Mode of Relay/Internal switch” on
page 10-9.
• When the alarm module on the DI/DO modules are not recognized as system modules, the relay
is st to OFF. For the system recognition, see page 9-17.