Integral Terminals (Series Sip) - Sage SIP Operation And Instruction Manual

Prime series thermal gas mass flow meter
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20
S A G E M E T E R I N G , I N C .
AC Powered Prime Integral Terminals (Series SIP)
INSIDE COVER VIEW
A
B
C
1 RED
AC1
COM
1
2 S1
AC2
B +
2
3 RED
SPARE
A –
3
24 VDC
4 WHITE
4-20mA PWR
4
PULSE
VDC IN
5 S2
4-20mA 5
+
VDC GND
6 WHITE
VDC GND 6
INTEGRAL
E X T E R N A L LY P O W E R E D
4 – 2 0 m A B Y C U S TO M E R
C U S TO M E R
R E T U R N
*B4 and B5 JUMPER
Remove jumper for Externally Sourced 4-20
mA. In this mode, user supplies 9-27 Volts to
externally power the 4-20 mA loop, and the
4-20 mA loop becomes optically isolated.
**Note, Flow Meter is supplied with a 10K
(1/2 watt) metal film resistor (Resistive
Jumper) connected across Terminals C4 and
C6. For externally powered operation, in
addition to removing B4 & B5 Jumpers, it
is necessary to connect C4 Resistive Jumper
to Terminal B3 instead of C6. Note, B3 must
be connected to the External Sources com-
mon in order to enable the optically isolated
pulse output. In this mode, Pulse Output is
optically isolated. Pulsed Output voltage will
depend on customer source voltage. Use
Sage Resistive Jumper only!
NOTE: The Sage Prime
draws 2.4 watts maximum
(i.e. ≅ 100ma @24VDC)
1 Specify the Sage Prime PLUS option in order to have the Modbus Ground (Terminal C1, COM) isolated
from the 24 VDC Sage Power Supply Ground (Terminal B6). All other features of Prime PLUS are
identical to the standard Sage Prime, except other voltage available. ( ee footnote 8)
2 It is important to connect the Ground when using Modbus communications, or ground loop problems
may develop. Improper wiring can also damage internal circuitry
3 ote, if customer externally powers the 4-20 mA by removing the jumper, the Pulse voltage output
is also effected: The voltage output of the Pulse will follow the customer power (i.e. 24 VDC external
power will result in a 24 VDC Pulse [maximum of 50 mA]; 12 VDC external power will result in a
12 VDC Pulse)
4 Pulse width 250 msec default (adjustable with Addresser software)
5 Using Sage Addresser, a Low Flow Cutoff (LFC), commonly referred to as Min Cutoff or Zero Cutoff
A1 – RED – VELOCITY SENSOR WIRE (HEATED ELEMENT)
A2 – NO WIRE
A3 – RED – VELOCITY SENSOR WIRE (HEATED ELEMENT)
A4 – WHITE – TEMPERATURE SENSOR WIRE
A5 – NO WIRE
A6 – WHITE – TEMPERATURE SENSOR WIRE
B1 – AC1 – AC VOLTAGE
B2 – AC2 – AC VOLTAGE
B3 – JUNCTION FOR ISOLATED PULSE
* *
B4 – 4-20 mA RETURN (–) AND PULSE SOURCE
*
B5 – VDC IN – VOLTAGE DC – POSITIVE (+)
B6 – VDC GND – VOLTAGE DC – GROUND (–)
C1 – COM – RS485 MODBUS GROUND
C2 – B(+)–RS485_D1
+
C3 – A(–)–RS485_D0
* *
C4 – 24 VDC PULSE – 0 TO 24 VDC PULSE OUTPUT
+
C5 – 4-20 mA – 4 TO 20 mA SIGNAL DRIVE
C6 – VDC GND – VOLTAGE DC – GROUND (–)
DESCRIPTION
AC Input Power:
115 VAC/230 VAC
DC Input Power:
7,8
24 VDC
Internally Powered:
4-20 mA
Internally Powered:
Pulsed Output
Externally Powered:
4-20 mA
Externally Powered
Pulsed Output
MODBUS
O p e r a t i o n s a n d I n s t r u c t i o n M a n u a l
1
1,2
5
TERMINALS
B1
B2
AC1
AC2
B5
B6
+ VDC
– VDC GND
C5
C6
4-20 mA
Return
SIGNAL DRIVE
C4
C6
24
GND
O
C5
B4
4-20 mA
4-20 mA
SIGNAL DRIVE
EXTERNAL SOURCE
9
:
C4
B3
24
JUNCTION FOR
PULSE RETURN
O
C2
C3
RS485(+)
RS485(–)
can be entered into the FLOW MIN Functions. In Versions 1.82 or higher, the Low Flow Cutoff and
the 4-20 mA Scaling are independent of each other. For example: A Low Flow Cutoff (LFC) of
10 SCFM on a Meter with a Full Scale of 100 SCFM will report 0 on the Display and 4 mA on the
output. The output will remain at 4 mA until the LFC is exceeded: (ie: 25 SCFM=8 mA). Thus the
4 mA will always be zero based
6 This version does not have Hazard Approvals
7 24 VDC ±10%
8 Other DC voltages (5 VDC, 12 VDC, 48 VDC) available on Prime PLUS. Contact Sage
9 Assumes the 4-20 mA is Externally Powered
10 Modbus Ground becomes isolated from the B6 Power Supply Ground only on Prime PLUS version
(specify "PLUS")
6
INSIDE BODY VIEW
3,4
3/4" NPT for
Remote Cable
(ON REMOTE STYLE SRP)
NOTES
Connect Ground Wire
to Grounding Lug
Do not remove
any Jumpers
Do not remove
any Jumpers
Remove B4 & B5
Jumper
Remove B4 & B5
Jumper and Connect
C4 Resistive Jumper
to B3
C1
Modbus Ground
MODBUS GROUND
(REQ'D)
Grounding
Lug
1/2" NPT
User Entry
for Wiring
10

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