157
Advanced Function Setting Level Section 7-6
Settings
See Also
• Related Parameters
“Alarm 1to 3 type” (initial setting level) (page 147)
“Alarm 1 to 3 latch” (advanced function setting level) (page 163)
7-6-7 Alarm 1 Open in Alarm (al1n)
Alarm 2 Open in Alarm (al2n)
Alarm 3 Open in Alarm (al3n)
Function • These parameters set the output states for alarms 1, 2, and 3.
• When the E5ZN is set to “close in alarm,” the alarm output is normally
open. When set to “open in alarm,” the alarm output is normally closed.
The following table shows the relationship between alarm output func-
tions, alarm output, and operation indicator LEDs.
• When alarm 1 is set to “open in alarm,” the heater burnout alarm output
also are also normally closed.
• Setting changes to “alarm 1 to 3 open in alarm” must be enabled by exe-
cuting a software reset or by turning ON the power again.
Communications
Settings
Setting range Unit Default
00000000H to 00000001H
0: Condition A (a)
1: Condition B (b)
- 0: Condition A
Setting Alarm Output Function Alarm Output Operation
Indicator LEDs
Close in alarm ON ON Lit
OFF OFF Not lit
Open in alarm ON OFF Lit
OFF ON Not lit
Setting ch Variable type Address
Alarm 1 open in alarm 1 C3 001C
2 C3 011C
Alarm 2 open in alarm 1 C3 001E
2 C3 011E
Alarm 3 open in alarm 1 C3 0020
2 C3 0120
Setting Setting range Unit Default
Alarm 1 open in alarm
Alarm 2 open in alarm
Alarm 3 open in alarm
00000000H to 00000001H
0: Close in alarm (n-o)
1: Open in alarm (n-c)
- 0: close in
alarm
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