Cooper Instruments & Systems DFI INFINITY Digital Force Indicator/Controller User Manual

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SPAN TEMPCO:

less than 20 ppm/°C

STEP RESPONSE:

1 second to 99.9%

WARMUP:

55 minutes to rated accuracy It is recommended that the unit be continuously
running to insure its accuracy.

CONVERSION TECHNIQUE:

Dual-slope

READRATE and DISPLAY
UPDATE/Programmable

INTEGRATION TIME:

3 samples/sec: 100 msec
13 samples/sec, 60 Hz: 16.7 msec
12 samples/sec, 50 Hz: 20 msec

DISPLAY LEDs:

6, 0.54" (13.8mm)h, red, 14-segment
4, 0.12" x 0.24" (3 x 6mm), red lamp

SYMBOLS:

–.8.8.8.8.8. or 8.8.8.8.8.8.

DECIMAL
POINT POSITION:

Programmable

SENSOR EXCITATION

AC-POWERED:

1.5 to 11Vdc, up to 60 mA max.
24 Vdc at 25 mA max.

DC-POWERED:

10Vdc at 120 mA.
24Vdc at 35 mA.
Can power up to 4 load cells.

OUTPUTS

(STANDARD):

4, isolated open collector; 150 mA at 1 V sink; 30 V open

BCD OUTPUT:

Tri-state, TTL/CMOS compatible; internal 5 V supply for non-isolated, external
5 V supply for isolated.

ANALOG OUTPUT:

0-5 V, 1-5 V, 0-10 V, 0-20 mA, 4-20 mA level; compliance, 12 V at 20 mA; 15-
bit resolution; 0.1% accuracy; programmable zero and span.

RELAY OUTPUT:
POWER RATINGS FOR
RESISTIVE LOADS:
DUAL AND 4 RELAY:

4 RELAY ONLY:

Dual Form-C relays or 4 Form-C relay

Two relays at P6 and P7
Normally open contact, 7 amp; 30 Vdc or 230 Vac
Normally closed contact, 7 amp; 30 Vdc or 230 Vac
Two relays at P18
Normally open contact 1 amp; 24 Vdc or 30 Vac
Normally closed contact, 1 amp; 24 Vdc or 30 Vac

TURNDOWN RATIO

(MAX OFFSET-MIN
SPAN):

1000 with 0.1% or 100 with 0.01% resolution

COMMUNICATIONS
INFORMATION

RS-232
COMMUNICATIONS:

RJ11 4-wire connection; complete program setup and message display
capability; programmable to transmit current display, alarm status, MIN/MAX,
and status

BAUD RATES:

300, 600, 1200, 2400, 4800, 9600, 19200

RS-485 COMMUNICATIONS:

RJ12 6-wire connection; addressable from “000” to “199”.

BAUD RATES:

300, 1200, 2400, 4800, 9600, 19200

POWER

∼ AC UNITS:

115/230 Vac + or -10%, 50/60 Hz; 12 W max power consumption

= DC UNITS:

10-32Vdc, 3 to 9 W consumption

CF 67

M1291/N/0403 11279ML-02 Rev. A