Masibus 1008S - Specifications; Measured Input Signal

User Manual 7
Flow Indicator Totaliser 1008S
REF NO: m18A/om/101
Issue No: 17
3. SPECIFICATIONS
3.1 Measured input signal
NUMBER OF INPUTS
1(one) with Optional 2 & 3
INPUT TYPE
DC Input
Current Input
*Pulse
Input
Integrated/
Batch Total
0-5 V
1-5 V
0-20
mA
4-20
mA
MEASURING RANGE
0-30000 Range
0 - 99999999
ACCURACY
± 0.025% of full scale ± 1 Count
**0.45 %
BURN OUT DETECTION
Available for 1 to 5VDC, 4 to 20 mA, 0 to 10 KHz.
INPUT RESISTANCE
 250 Ohms Internal for current Input
 320K Ohms for Voltage Input
ALLOWABE SIGNAL
SOURCE RESISTANCE
DC input voltage: 1KΩ or less . Effect from allowable signal
source Resistance: 0.031 % / 100Ω or less
ALLOWABLE INPUT
VOLTAGE
DC voltage: ±20V DC
NOISE REJECTION RATIO
Common Mode: > 100db
Normal mode: > 40db
RESPONSE TIME
Input to relay o/p: < 1 second.
Input to Analog o/p: < 1 second or less, 63 % ( 10 - 90%)
(Time required for o/p to reach 63% of the maximum
excursion when PV changes from 10% to 90%)
RESOLUTION
16 bit
POLARITY PROTECTION
Not provided
MEMORY BACKUP
EEPROM
Note:
 Input type is factory set.
 * Max. Pulse level<=24V , Min. pulse level > 1.0V
 ** ±(0.45% of Reading + 1 Digit)
3.2 Loop Power Supply Specification
LOOP POWER SUPPLY
24VDC ± 5% @ 50mA
3.3 Retransmission Output
NUMBER OF OUTPUT
POINTS
1
OUTPUT SIGNAL
4 to 20 mA DC
ON LOAD RESISTANCE
500Ω or less
OUTPUT ACCURACY
 0.25% of full scale +1 count
RESOLUTION
12 bits (5A)
3.4 Contact Input (Digital input)
NUMBER OF INPUTS
4
USAGE
Input 1 : Stop Batch
Input 2 : Integration total zero(Therefore Batch total and roll
count will be zero)
Input 3 : Start Batch
Input 4 : Batch total zero