6   Parameters
6 - 50
E5@C Digital Temperature Controllers User’s Manual (H174)
*1 With set values 1, 4 and 5, the upper- and lower- limit values can be set independently for each alarm
type, and are expressed as "L" and "H."
*2 Set value: 1 (Upper- and lower-limit alarm)
*3 Set value: 4 (Upper- and lower-limit range)
*4 Set value: 5 (Upper- and lower-limit alarm with standby sequence)
16 MV absolute-value 
upper-limit alarm
*9
Standard Control Standard Control This alarm type turns ON 
the alarm when the 
manipulated variable (MV) 
is higher than the alarm 
value (X).
Heating/Cooling 
Control (Heating 
MV)
Heating/Cooling 
Control (Heating 
MV)
Always ON
17 MV absolute-value 
lower-limit alarm
*9
Standard Control Standard Control This alarm type turns ON 
the alarm when the 
manipulated variable (MV) 
is lower than the alarm 
value (X).
Heating/Cooling 
Control (Cooling 
MV)
Heating/Cooling 
Control (Cooling 
MV)
Always ON
18 RSP absolute-value 
upper-limit alarm
*10 
This alarm type turns ON 
the alarm when the remote 
SP (RSP) is higher than the 
alarm value (X).
19 RSP absolute-value 
lower-limit alarm
*10 
This alarm type turns ON 
the alarm when the remote 
SP (RSP) is lower than the 
alarm value (X).
Set 
value
Alarm type
Alarm output operation
Description of function
When alarm value 
X is positive
When alarm value 
X is negative
ON
OFF
0
X
MV
ON
OFF
0
X
MV
ON
OFF
0
X
MV
ON
OFF
0
X
MV
000
ON
OFF
RSP
0
X
ON
OFF
0
X
RSP
LHSP LHSP
H
LSP
H
LSP
H
LSP
H < 0, L > 0
|H| < |L|
H > 0, L < 0
|H| > |L|
H < 0, L < 0
H < 0, L > 0
|H| ≥ |L|
H > 0, L < 0
|H| ≤ |L|
Case 3 (Always ON)
Case 2
Case 1
LHSP
H
LSP
H
LSP
H
LSP
LHSP
H < 0, L > 0
|H| < |L|
H > 0, L < 0
|H| > |L|
H < 0, L < 0
H < 0, L > 0
|H| ≥ |L|
H > 0, L < 0
|H| ≤ |L|
Case 3 (Always OFF)
Case 2
Case 1