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DC LIMIT ALARM0 pages
DC LIMIT ALARM
AT-740-ALM- □ □ - □
Model
DC
1
AT-740- ALM
Input
-
I/P Impedance
1
DC
2
DC 0 -
5
V
3
DC
0
-
5
V
4
DC
0
-
1
V
10 V
5
DC 0 - 100 mV
A
DC 4 -
20 mA
B
DC 0 -
20 mA
C
DC 0 -
16 mA
D
DC 0 -
1 MΩ
10 mA
S
W 50 × H 84 × D 130 mm
50 Ω
Features
Specified
Alarm Type
Relay
Output
Hi-ALM O/P
1
1 Setpoint
Lo-ALM
ON
OFF
ON
O/P
Setpoint
2 Setpoint (HL)
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
Low
No.1 ALM
Application
OFF
Setpoint
OFF
ON
High or Low Alarm for Varies DC Inputs
High
Specifications
ON
1
AC
110V ± 10%
50 / 60
Hz
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 Indication : Red LED
Response Time : 100 ms
Temp. Coefficient : ±0.015% FS / ℃
Operating Temp. : -5 ~ +55 ℃
Operating Humidity : 0 - 90% RH
Insulation Resistance : ≧100 MΩwith 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
2
AC
220V ± 10%
50 / 60
Hz
Socket and Terminal
3
DC
24V ± 10%
4
AC
24V ± 10% 50 / 60 Hz
3
No.1
Hi Alarm
No.2 ALM
No.2
2
Lo Alarm
Setpoint
Setpoint #2
Low
2 Setpoint (HH)
No.1 ALM
OFF
No.1
Hi Alarm
No.2 ALM
OFF
No.2
Hi Alarm
Setpoint
2 Setpoint (LL)
4
No.1
Lo Alarm
No.2 Lo Alarm
Setpoint #2
Low
No.1 ALM
ON
ON
No.2 ALM
Setpoint
Setpiont #2
Low
OFF
Setpoint #1
High
ON
ON
Setpoint #1
High
OFF
OFF
Setpoint #1
High
Power Supply
S
5
6
4
1
2
3
9
10
11
7
8
Specified
- 17 -
IN
DC 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
