Pulsafeeder Pulsar DLC - Manual (Page 82)

77
9. Specifications
S TROKE L ENGTH C ONTROL : 0-100% control range
0.1% resolution
10:1 turndown for accuracy specification.
Combined Calibrated Flow: 6 significant digits for displayed units of flow.
Pump Accuracy:
Turndown Range Accuracy Standard
Diaphragm
Diaphragm
With Leak
Detection
Single Solid
Teflon
Diaphragm
Capacity
Reference
Stroke
Length
Motor
Speed
Combined
Turndown
Steady State ±
0.5%
±
0.5%
±
0.5% Set Point 10:1 20:1 50:1
Repeatability ±
0.5%
±
1.0%
±
1.0% Full Rating 10:1 20:1 50:1
Linearity
±
1.0%
±
3.0%
±
3.0% Full Rating 10:1 20:1 50:1
Adjustment Response: 1% per second on stroke length.
1% per second on steady state speed.
Temperature: –18
°
C to 40
°
C (0
°
F to 104
°
F) Operation.
–18
°
C to 60
°
C (0
°
F to 140
°
F) Storage.
Low Voltage Inputs
Inputs Field Wiring
Location
Specification / Description
Analog Input J4 Pin 1 is +
J4 Pin 2 is – Any signal within the range of 0 to 25mA (e.g.: 4-20)
or 0 to 5 volts (e.g.: 1-5)
Minimum span of 2mA or 0.4 volts.
Note: No jumpers used. Displayed in mA.
Split Ranging, Reverse Acting and Ratio Control standard on all
units; accessible via calibration.
Fused at 50mA. Protected against mis-wiring.
Surge Protection: 7.4 Joules
Isolation: 500 volts from all other inputs, outputs, and ground.
PULSAlarm
(Leak Detection) J4 Pin 3 is +
J4 Pin 4 is – Dry Contact. (Optically Isolated) – Do not apply powered signal.
Isolation: Not isolated from Digital Input or Motor Thermostat, 500
volts from all other inputs, outputs and ground.
May be software configured as Normally Open or Normally Closed.
May be software configured to operate the Alarm Relay.
May be configured to turn the Pump Motor off.
Digital Input
Programmable as
Level Input
Or
Remote Run / Stop
J4 Pin 5 is +
J4 Pin 6 is – Dry Contact. (Optically Isolated) – Do not apply powered signal.
Isolation: Not isolated from PULSAlarm or Motor Thermostat, 500 volts
from all other inputs, outputs and ground.
May be software configured as Normally Open or Normally Closed.
May be software configured to operate the Alarm Relay (Level Input
Only).
May be configured to turn the Pump Motor off. (Level Input Only)