Emerson Tescom ER5000 Series

ER5000 Series —
21
Features and Specications
ER 5000 Specifications (cont.)
RS485 Communication Interface
Networking: Up to 32 controllers on one network
Maximum cable length: 4000 ft / 1219 m
Baud rate: 9600
Flow Rate
C
v
: 0.01
NOTENOTE
CAUTIONCAUTION
WARNINGWARNING
The ow rate can be increased using a booster regulator.
Accuracy
Room temp: 0.1% of span maximum
Response Time
Rise Time: 257ms — 10 psig to 90 psig / 0.7 bar to 6.2 bar
Fall Time: 552ms — 90 psig to 10 psig / 6.2 bar to 0.7 bar
NOTENOTE
CAUTIONCAUTION
WARNINGWARNING
Step response into dead-end system (1 cubic inch volume).
External Analog Input Impedance
4–20 mA: 250Ω
1–5V: 220KΩ — single input pin to ground
1.7MΩ — differential input
0–10V: 100KΩ
Digital Inputs
Voltage Range/Input Impedance:
4–20 mA: 250Ω
1–5V: 220KΩ — single input pin to ground
1.7MΩ — differential input
0–10V: 100KΩ
Digital Outputs
Current: 50 mA continuous, 100 mA instantaneous
Voltage: 5V to 28V
Type: Open collector, grounded emitter
Analog Output
4–20 mA: Better than 0.5% accuracy;
loads from 50Ω to 1000Ω
0–10V DC: Better than 0.5% accuracy;
loads no less than 5000Ω