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RTD LIMIT ALARM0 pages
RTD LIMIT ALARM
AT-740- ALM
- PT
AT-740-ALM- PT - □ □ - □
Model
Temperature
Range
1
0
-
50 ℃
2
0
-
100 ℃
3
0
-
150 ℃
4
0
-
200 ℃
5
0
-
250 ℃
6
0
-
300 ℃
7
-50
-
+50 ℃
S
W 50 × H 84 × D 130 mm
Features
Specified
Alarm Type
Relay
Output
Hi-ALM O/P
1
1 Setpoint
Lo-ALM
ON
Setpoint
Low
2 Setpoint (HL)
No.1 ALM
No.1
Hi Alarm
No.2 ALM
ON
Lo Alarm
Setpoint
OFF
Setpoint
OFF
No.2
2
Setpoint #2
Low
2 Setpoint (HH)
No.1 ALM
OFF
No.1
Hi Alarm
No.2 ALM
OFF
No.2
3
Hi Alarm
Setpoint
Setpoint #2
2-Setpoint (LL)
4
No.1
Low
No.1 ALM
No.2 ALM
Lo Alarm
No.2 Lo Alarm
ON
OFF
O/P
ON
ON
Setpoint
2-Digit Rotary Switch for Each Alarm Setting
Independent High or Low Alarm Setting
SPDT NC & NO Relay Contact Output and LED
Indication
Plug-in Socket Structure and DIN Rail Mounting
Setpiont #2
Low
Application
High
High or Low Alarm for RTD Temp. Sensor
ON
Specifications
OFF
Setpoint Accuracy : ±0.5% FS.
Setpoint Range : 0 - 99% FS. by 1% step
HysteresisDead Band : 1.0 - 2.5% FS.
Relay Contact Rating : SPDT
AC 120V1A (COSθ = 1) , DC 30V2A
Alarm Indicator : Red LED
Response Time : 100 ms
Temp. Coefficient : ±0.015% FS / ℃
Operating Temp. : -5 ~ +55 ℃
Operating Humidity : 0 - 90% RH
Dielectric Resistance : ≧100 MΩ with 500 VDC
( Input / Output / Power )
Dielectric Strength :
AC 1500 V , 1 min. ( Input / Output / Power )
Case Material : Case is ABS , Base is Bakelite
Power Consumption : 4 VA
Setpoint #1
High
ON
ON
Setpoint #1
High
OFF
OFF
Setpoint #1
High
Power Supply
1
AC
110V ± 10%
50 / 60
Hz
2
AC
220V ± 10%
50 / 60
Hz
3
DC
24V ± 10%
4
AC
24V ± 10% 50 / 60 Hz
S
Socket and Terminal
Specified
5
6
4
1
2
3
9
10
11
7
8
- 21 -
IN
Sensor
Input
NO
C
NC
NO
No.2
C
ALM
NC
No.1
Alarm
Output
No.2
Alarm
Output
U()
PWR
V()
Power
No.1
ALM
