50
DATA RETENTION
Memory Type: EEPROM, no batteries required
Duration:
100 years
FLOW SIGNAL INPUT
Types: 4-20 mA and 0-10 VDC
Input Impedance:100 ohms (current input), 1.27M ohms (voltage input)
Overrange: 50 mA max (current input), 100 V max (voltage input)
Accuracy: +/- 0.1% of reading, +/- 1 digit, and +/- 80 PPM/
o
C
CONTROL INPUTS
Sensor Type:
Sink only
Input Impedance: 4.75 k ohms to +5 VDC
Threshholds:
High 3.5 to 28 VDC, low 0 to 1.0 VDC
Response:
25 msec maximum (5V signal)
ACCESSORY POWER OUTPUT
Voltage:
24 VDC +10%/-12%
Current:
90 mA max.
Protection:
Short circuit protected
RELAY / TRANSISTOR OUTPUTS
(standard on batch controls, optional on totalizers)
Number:
2 relays or 1 relay and 1 transistor
Relay Contact Type:
1 set form C per relay
Relay Contact Rating:
5A, 250 VAC or 30 VDC
Transistor Type:
NPN, Opto Isolated
OFF State Block:
30 VDC max., 0.1 mA max. leakage current
ON State Conduct:
50 mA max., 1.2 VDC max. C-E drop
Max. Switching Frequency:
4 kHz (50-50 duty cycle)
Isolation dielectric strength: 2300 VAC
OPTIONAL OUTPUTS
Analog Retransmission
Output signals:
4-20 mA (<750
W)
and 0-10 V (>2500
W)
Accuracy:
0.13% full scale and 100 PPM /°C (and 0.07%
full scale change over 4-20 mA load ranges
Isolation dielectric strength: 2300 VAC to signal inputs, relays, and AC power
inputs, 500 VAC to analog outputs and DC power
inputs
SPECIFICATIONS cont.