Section 3: Product Description
January 2017
ERNG-X
dopsm2107x012
Section 3: Product Description
7
Figure 2. Typical Installation
PIPELINE PILOT
REGUlAtoR
EXtERNAl PRESSURE oR
FloW tRANSDUCER
(4-20 ma)
PiPEliNE mAiN REGUlAtoR
REMOTE OPERaTIONS CONTROLLER
(ROC)
ERNG-X
Electrical
Power Requirement : 20 .5 - 28 .5 VDC;
340 mA Max ., 180 mA Nominal
Supply
Media:
Natural Gas with a maximum
upper explosion limit below 18% by
volume at atmospheric conditions
Media Quality
Corrosives:
H
2
S and other sulfides
below 10 PPM
Impurities:
CO
2
below 3%; O
2
below 0 .5%
Temperature
-4 to 140°F / -20 to 60°C (dry media
required below 32°F)
Pressure
ERNG-X Panel Supply Input:
2750 psig maximum
ER5050FX-1-002 Controller Input:
maximum 110 psig, minimum output
pr1 psig
Input Signals
Setpoint
USB, RS485, Downloaded Profile
4-20 mA, 1-5 VDC (ERNG-I)
0-10 VDC (ERNG-V)
Feedback (external)
4-20 mA or 1-5 VDC (ERNG-I)
0-10 VDC (ERNG-V)
Communication Protocol
USB and RS485 (USB not recommended
for hazardous locations)
3.3 Specifications
aNaLOG SET-POINT
SIGNaL (4-20 ma)
