User Manual
9
Flow Indicator Totaliser 1008S
REF NO: m18A/om/101
Issue No: 17
TERMINAL (DIGITAL INPUT)
circuit.
RS
-
485 COMMUNICATION
TERMINAL
Isolated from other input/output terminals and internal circuit.
POWER SUPPLY
TERMINAL
Isolated from other input / output terminals and internal
circuit.
GROUND TERMINAL
Isolated from other input/ output terminals and internal
circuit.
3.9 Environmental Specification
OPERATING TEMPERATURE
0 to 55
C
STORAGE TEMPERATURE
0 to 70
C
HUMIDITY
30 to 90% RH (non-condensing)
WARM UP TIME
>10 Minute
EFFECT OF AMBIENT
TEMPERATURE
For Voltage Input:
0.005% of FS/
C or less
For analog output:
0.010% of FS/
C or less
3.10 Alarm Specification
ALARM TYPES
Flow high limit, Flow low limit
BATCHING ALARM
Pre warn and set point
SETTING RANGES FOR
PROCESS VALUE
ALARMS
Flow (PV) Alarms:
Min = Zero of individual I/P type
Max = Span of individual I/P type
3.11 Display Specification
PV DISPLAY
5 digit red 7 segment display for flow rate
INTEGRATED TOTAL
8 digit red 7 segment display for integrated total
PARAMETER DISPLAY
Same 8 digit red 7 segment display integrated total
STATUS DISPLAY
Red LEDs (for alarm & Batch)
3.12 Communication
PROTOCOL
Modbus RTU serial
STANDARD
EIA RS-485
MAX. COMMUNICATION DISTANCE
1200 mtrs. (For 9600 bps RS 485)
COMMUNICATION METHOD
2 wire half duplex (RS 485)
DATA FRAME
N, 8, 1
COMMUNICATION RATE
9600, 19200 bps
MAX. CONNECTABLE
CONTROLLERS/ INDICATOR
32
ADDRESS RANGE
1 to 99
3.13 Other Specification
SQUARE ROOT EXTRACTION
Applicable
DIGITAL FILTER
Applicable
TIME BASE UNIT
Second, minute, hour, day
CONVERSION FACTOR
0.00 to 99.99
FIVE POINT LINEARIZATION
Applicable
PULSE OUT PUT
Maximum pulse:
20 pulses/Sec.
Excitation Voltage:
<24Vdc with maximum 10
mAdc
LOW FLOW CUT OFF
Applicable
