27
OMEGA DPU91-BC Batch Controller System
Output Specifi cations
One 4 to 20 mA output
Current Loop Out ....ANSI-ISA 50.00.01
Class H
Span .......................3.8 to 21 mA
Zero ........................4.0 mA factory set;
user programmable
from 3.8 to 4.2 mA
Full Scale ................20.00 mA factory set;
user programmable
19.0 to 21.0 mA
Accuracy .................± 32
μ
A max. error
@ 25 °C @ 24 VDC
Resolution...............6
μ
A or better
Temp. Drift ..............± 1
μ
A per °C
Pwr Sply Rejection .. ± 1
μ
A per V
Isolation ..................Low voltage
(< 48 VAC/DC)
Voltage....................10.8 to 35.2 VDC
Max. Impedance .....250
Ω
@ 12 VDC
.......................500
Ω
@ 18 VDC
.......................750
Ω
@ 24 VDC
Update Rate ...........150 mS nominal
Short circuit and reverse polarity protected
Adjustable span, reversible
Error Condition .......Selectable error
condition 3.6 or 22 mA
or NONE
Actual update rate ..Determined by
sensor type
Test Mode ...............Increment to
desired current
(range 3.6 to 21.00 mA)
OC Outputs.............1
Analog Outputs .......1 passive
Linear scaling
Input Specifi cations
Digital (S
3
L) ................. Serial ASCII,
TTL level, 9600 bps
Frequency:
Sensitivity ............... 80 mV @ 5 Hz,
gradually increasing
with frequency
Range .................... 0.5 Hz to 1500 Hz @
TTL level input for
open collector
Accuracy ................ ± 0.5% of reading
max error @ 25 °C
Resolution
.............. 1
μ
s
Repeatability .......... ± 0.2% of reading
Power Supply
Rejection ................ No Effect ± 1
μ
A/V
Short
Circuit
........... Protected
Reverse
Polarity
..... Protected
Update Rate ............... (1/frequency) + 150 ms
