M2116/1294
INSTRUCTION
SHEET
CCD1294APC1B
DP18 Series
An O ME GA Te c h n o l o g i e s Co m p a n y
Model DP18-P8
Process Indicator for Potentiometric
Transducers
INSTRUMENT FOR USE WITH POTENTIOMETRIC TRANSDUCERS. THE READING CAN BE MODIFIED IN ENGINEERING UNITS, THEREFORE
THE DISPLAY WILL SHOWS THE VALUE DESIRED.
THE NECCESARY REGULATED VOLTAGE (5 Vdc) FOR THE TRANSDUCER IS SUPPLIED FROM THE INSTRUMENT (FIG. 3). MAY BE USED
POTENTIOMETERS WITH A RESISTANCE VALUE BETWEEN 200
Ω
MINIMUM AND 10.000
Ω
MAXIMUM.
A
B
C
SIGNAL INPUT
OFFSET
O
M
SPAN AND OFFSET ADJUSTS ( S3 SELECTOR )
OFFSET RANGE
DISPLAY
SPAN RANGE
COUNTS
GROSS SPAN ADJUSMENT
TRANSDUCER WIRING - SPAN AND OFFSET SELECTION
SIGNAL CONDITIONER
COMPONENTS VIEW
K
L
M
N
O
P
COMMON 0V.
+5 V
exc
FIG. 3
CLOSE THE APPROPRIATE DECIMAL POINT
JUMPER (FIG.5), CORRESPONDING TO THE
READING DESIRED. FOR READING 14.50, PLA-
CE THE JUMPER ON THE D2 POSITION.
L
K
---
500 to 1.000
0 to 500
1.000 to 1.999
2.000 to 4.000
0 to 1.000
1.000 to 2.000
CLOSE
JUMPER
CLOSE
JUMPER
P
--
N
1
10
D
C
B
A
+
-
REAR VIEW
Setpoint R1
(option)
Setpoint R2
(option)
FRONT VIEW
FIG. 2
SIGNAL
INPUT
SPAN : ADJUST THE MAXIMUM READING.
OFFSET : ZERO BALANCE
SPAN AND OFFSET ADJUSTMENT ARE ACCESSIBLE BEHIND
THE LOW DOOR.
Isolated digital output
(option)
HOLD,
latch the reading
display, while these pins
are linked
ANALOG OUTPUT
(OPTION)
POWER SUPPLY
see instrument label
SPAN
OFFSET
DISPLAYS . . . . . . . . . . . . . . . . . . . . . . 3 ½ digits, 7 segment, red LED
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 0.56" (14.2 mm.)
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . ± 1.8.8.8
DECIMAL POINTS . . . . . . . . . . . . . . . . Selectable by jumpers
OVERRANGE INDICATION . . . . . . . . . Display flashes 1999
INPUT CONFIGURATION . . . . . . . . . . . Bipolar single
ZERO . . . . . . . . . . . . . . . . . . . . . . . . . Automatic
CONVERTER . . . . . . . . . . . . . . . . . . . . Dual-slope, average value
POLARITY . . . . . . . . . . . . . . . . . . . . . . Automatic ±
SIGNAL INTEGRATION PERIOD . . . . . 80 ms.
READ RATE . . . . . . . . . . . . . . . . . . . . 3.12 / sec.
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . Optional
NOISE REJECTION NMR . . . . . . . . . . . 50 dB. 50/60 Hz.
ACCURACY . . . . . . . . . . . . . . . . . . . . 0.15 % ± 1 count
WARMUP TO RATED ACCURACY . . . 2 minutes
SPAN TEMPCO . . . . . . . . . . . . . . . . . . 100 ppm.
ZERO TEMPCO . . . . . . . . . . . . . . . . . . 2.5 µV/°C.
OPERATING TEMPERATURE . . . . . . . 0 to 50 °C (32 to 122 °F)
STORAGE TEMPERATURE . . . . . . . . . -40 to 80 °C (-40 to 176 °F)
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 310 gr. (0.68 lb)
CASE MATERIAL . . . . . . . . . . . . . . . . ABS, DIN 43700, black color
STANDARD POWER . . . . . . . . . . . . . . 115 Vac. ± 10 %, 50/60 Hz.
POWER CONSUMPTION . . . . . . . . . . . 5.5 VA for AC.
ELECTRICAL CONNECTIONS . . . . . . . Push-in cable connectors
BURN-IN . . . . . . . . . . . . . . . . . . . . . . . 24 h.
RECALIBRATION . . . . . . . . . . . . . . . . 12 months.
EXCITATION OUTPUT . . . . . . . . . . . . . 5 Vdc.
-OUTPUT CURRENT . . . . . . . . . . . 50 mA. max.
-RIPPLE AT 50/60 Hz. . . . . . . . . . 0.2 % max.
SPECIFICATIONS
Excitation adjust
FIG. 1
