CONTROL DRAWING
NOTES ON CABLE ENTRY
NOTES ON CONTROL EQUIPMENT
WITH RESPECT TO EARTH.
1. CONTROL EQUIPMENT MUST NOT USE OR GENERATE MORE THAN 250 V,
Li + Lc
Ci + Cc
Imax
Vmax
IS EQUIPMENT
PART 1, SEC. 18 AND APPENDIX F, ARTICLE 500 OF THE NEC, OR
MANUFACTURER'S CONTROL DRAWING, CANADIAN ELECTRICAL CODE
4. BARRIERS MUST BE INSTALLED IN ACCORDANCE WITH BARRIER
3. MAY BE IN DIVISION 2 LOCATION IF SO APPROVED
2. INTERCONNECTING CABLE CAPACITANCE AND INDUCTANCE, PLUS
THE CAPACITANCE AND INDUCTANCE OF THE INTRINSICALLY SAFE
EQUIPMENT, MUST BE LESS THAN OR EQUAL TO THE CAPACITANCE
CAPACITIANCE VALUE SHALL BE AS SHOWN IN TABLE 1.
NOT EXCEEDING Vmax AND Isc NOT EXCEEDING Imax
INTRINSICALLY SAFE FOR THE APPLICATION AND HAVE Voc
1. SELECTED BARRIERS MUST BE CERTIFIED AS
NOTES ON BARRIERS:
BARRIER
Voc
Isc
Ca
>
>
TABLE 1:
<
< La
1. ALL CABLE ENTRIES INTO THE ENCLOSURE MUST BE BROUGHT
THROUGH SUITABLY SIZED UL & CSA CERTIFIED LIQUID TIGHT
STRAIGHT THRU FITTINGS
5. WHEN SELECTING CABLE FOR CONNECTION TO
TURBINE METER, USE CABLE WITH THE FOLLOWING
HAZARDOUS LOCATION
10 FT. TO MAX. 100 FT.
HAZARDOUS LOCATION
(CLASSIFIED)
CLASS I, DIV 1
GROUP C & D
CLASS II, DIV 1
GROUP E, F & G
CLASS I, ZONE 0, IIB
NON-HAZARDOUS LOCATION
V Max
4-20mA Loop
I Max
Ci
Li
28 Vdc
26mA
0.5µF
0.0mH
Pulse Output
Reset Input RS485
28 Vdc
100mA
0.0µF
0.0mH
5 Vdc
5mA
0.0µF
0.0mH
10 Vdc
60mA
0.0µF
0.0mH
* 0.1 mA @ .7 VOLT DROP
RTU/PLC
26 Vdc MAX.+
PULSE INPUT
-
GND.
MTL SAFETY BARRIER
TOTAL PULSE 1/F
1 3
2 4
SET POINT &
1 3
2 4
4-20mA 1/F
MODEL 7787+
MODEL 7706+
20-35 VDC
R LOAD
4-20mA
HOST
1 3
2 4
MODEL 7766 Pac
R5485 1/4
R5485
Turbine Input
Voc = 3.5V
Isc = 3.6mA
Ca = 15µF
La = 1.65H
OTHER LOCAL CODES.
NOTES ON FLOW SENSOR
1. INTERCONNECTING CABLE CAPACITANCE AND INDUCTANCE, PLUS THE
CAPACITANCE AND INDUCTANCE OF THE MAGNETIC PICKUP, MUST BE LESS
THAN OR EQUAL TO THE CAPACITANCE(Ca) AND THE INDUCTANCE(La) "TURBINE
INPUT" ENTITY PARAMETERS MARKED ON THE B3000 MONITOR AND TABLE 2.
ADVANCE PRINT
ER#
19828
ENG.
DN DATE:
3/30/16
Figure 19: Control drawing
Control Drawing
DSY-PM-00028-EN-02Page 32 February 2017
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