User Manual
13
40005E (Enhanced Bargraph Indicator)
REF NO: m42B/om/101
Issue No:02
3. HARDWARE SPECIFICATION
3.1 Input Specification
NO. OF CHANNEL
1 or 2
APPLICABLE STANDARDS
DIN (ITS-90) for Thermocouple and RTD
INPUT TYPE
As specified in Table 4.
SAMPLING PERIOD PER
INPUT
50 ms for TC and Linear Input and 100 ms for RTD
RESOLUTION
17 bit
BURNOUT CURRENT
0.4 µA
MEASUREMENT CURRENT
250 µA
INPUT IMPEDANCE
>1 Mohm for RTD/Voltage inputs, 250ohms for current Input
NOISE REJECTION RATIO
NMRR Normal mode rejection ratio) > 40 dB (50/60 Hz) or more
CMRR (Common mode rejection ratio) >120 dB (50/60 Hz) or more
ALLOWABLE WIRING
RESISTANCE FOR RTD
Maximum 15 ohms/wire (Conductor resistance between three wires
should be equal).
LINEARIZATION FOR
LINEAR INPUT
10 POINT Linearization applicable only for linear input
Input Range for RTD (PT-100, CU53 and NI120), TC and Linear input:
Table 4 Input types, their ranges, accuracy and resolution
Analog Input
Type
Range
Accuracy
Resolution
E
- 2 0 0 t o 1 0 0 0
C
+ 0.1% of instrument range + 1 digit
0 . 1
C
J
- 2 0 0 t o 1 2 0 0
C
K
- 2 0 0 t o 1 3 7 0
C
T
- 2 0 0 t o 4 0 0
C
B
4 5 0 t o 1 8 0 0
C
+ 0 . 1 % o f in s t r u m e n t r a n g e + 1 d i g it
1
C
R
0 t o 1 7 5 0
C
S
0 t o 1 7 5 0
C
N
- 2 0 0 t o 1 3 0 0 ° C
RTD(PT100)
-199.9 to 850.0
C
+ 0.1% of instrument range + 1 digit
0 . 1
C
CU53
-210.0 to 210.0°C
NI120
-70.0 to 210.0°C
-10 to 20 mV
-1999 to 9999
counts
+ 0.1% of instrument range + 1 digit
1 Count
0 to 100 mV
4-20mA
0 to 20 mA
0
– 5 V
1
– 5 V
0
– 10V
3.2 Output Specification
3.2.1 Digital Output- Relay
NUMBER OF OUTPUTS
5
PURPOSE
Alarm or trip or control or watchdog output
OUTPUT SIGNAL
Three terminals C , NO and NC
