FEATURES • Independent adjustment of stroke range and zero • Adjustable amplification and damping • Split range up to 4-fold possible • Supply pressure up to 6 bar (90 psig) • Low vibration effect in all directions • Mounting according to IEC 534, part 6 (NAMUR) • Rotation adapter for angles up to 120 ° • Ambient temperature –40 ... 80 °C (–40 ... 176 °F) • Travel 8 to 100 mm (0.3 to 4 in) • Angular range 30 ° to 120 ° • Modular system of additional equipment - Electrical limit switches - Electrical position transmitter - Booster - Connection manifold • Protection class IP54 (IP 65 on request) • Certificate No. 90/20226(E2) Lloyd’s Register of Shipping for use on vessels • Explosion protection - pn. basic device: ATEX II 2 G c IIC T6 constructive design - el. additional built-in equipment: ATEX II 2 G EEx ib/ia IIB/IIC T4/T6 SRP981 Pneumatic Positioner The SRP981 Positioner is for operation of pneumatic valve actuators with pneumatic control signals. It is used to reduce the adverse effects of valve friction, for higher thrust and shorter positioning time. Product Specifications 03.2005 PSS EVE0101 A-(en)
12
Embed
SRP981 Pneumatic Positioner - Armstrong International · • Mounting according to IEC 534, ... SRP981 Pneumatic Positioner The SRP981 Positioner is for operation of pneumatic valve
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
FEATURES
• Independent adjustment of stroke range and zero
• Adjustable amplification and damping
• Split range up to 4-fold possible
• Supply pressure up to 6 bar (90 psig)
• Low vibration effect in all directions
• Mounting according to IEC 534, part 6 (NAMUR)
• Rotation adapter for angles up to 120 °
• Ambient temperature –40 ... 80 °C (–40 ... 176 °F)
• Travel 8 to 100 mm (0.3 to 4 in)
• Angular range 30 ° to 120 °
• Modular system of additional equipment- Electrical limit switches- Electrical position transmitter- Booster- Connection manifold
• Protection class IP54 (IP 65 on request)
• Certificate No. 90/20226(E2) Lloyd’s Register ofShipping for use on vessels
• Explosion protection- pn. basic device:ATEX II 2 G c IIC T6 constructive design
- el. additional built-in equipment:ATEX II 2 G EEx ib/ia IIB/IIC T4/T6
SRP981 Pneumatic Positioner
The SRP981 Positioner is for operation of pneumatic valve actuators with pneumatic control signals. It is used toreduce the adverse effects of valve friction, for higher thrust and shorter positioning time.
Product Specifications 03.2005 PSS EVE0101 A-(en)
TECHNICAL DATA
Input
Signal range . . . . . . . . . . . . 0.2 ... 1 bar (3 ... 15 psig)or split rangedown to ∆w 0.2 bar (3 psi)
Data measured according to VDI/VDE 21771) Data based on following parameters:
stroke 30 mm (1.28 in), range spring FES 628/1, feedback levereffective length 117.5 mm ( 4.63 in), max. amplification,supply air pressure 3 bar (45 psig)
2) measured at air supply 1.4 bar (20 psig) and 50 % of signal range
2 SRP981 PSS EVE0101 A-(en)
Materials
Base plate . . . . . . . . . . . . . . Aluminium (Alloy No. 230)finished with DD-varnishgray blue
Output . . . . . . . . . . . . . . . . .2 inductive proximity sensorsacc. to DIN 19234 or NAMURfor connection to a switchingamplifier with an intrinsicallysafe control circuit 1) 2) 3)
for control circuit with the following electrical valuesSupply voltage . . . . . . . . . DC 8 V, Ri approx. 1 kΩResidual ripple . . . . . . . . . < 5 %Permissible line resistance < 100 Ω
Type of protection . . . . . . . . II 2 G EEx ib/ia IIB/IIC T4/T6Certificate of conformity . . . . PTB 02 ATEX 2153For operation in certified intrinsically safe circuits with thefollowing maximum values:
Parts set for later installationCode V. . . . . . . . . . . . . . . EW 420 421 017
4 SRP981 PSS EVE0101 A-(en)
1) For the standard version code T one switching amplifier is requiredeg Pepperl & Fuchs type WE 77/Ex2For the security version code U a fail-safe switching amplifier for eachinductive proximity sensor is requiredeg Pepperl & Fuchs type WE 77/Ex-SH-03
2) Operating mode min. ( = low) / max. ( = high) selectable by adjustmentof switch vanes
4) Contact closed within the positive range5) Contact open within the positive range6) For feedback lever effective length of 117.5 mm (4.63 in),
stroke 30 mm (1.28 in) and maximum gain7) National installation regulations must be observed8) For retrofitting in positioner version -B and -C, the product must be tested
by a qualified inspector as a special version in accordance with ElexV.
Type of protection . . . . . . . . II 2 G EEx ib/ia IIB/IIC T4/T6Certificate of conformity . . . . PTB 02 ATEX 2153For operation in certified intrinsically safe circuits with thefollowing maximum values:
Safetyas per DIN EN 61010-1(DIN IEC 61010-1)(VDE 0411 part 1). . . . . . . safety class IIIovervoltage category . . . . 1internal fuses . . . . . . . . . . noneexternal fuses. . . . . . . . . . Limitation of power supplies
for fire protection has to beobserved due to EN 61010-19.3. ff.
PSS EVE0101 A-(en) SRP981 5
1) For feedback lever effective length of 117.5 mm (4.63 in) andstroke 30 mm (1.28 in)
2) National installation regulations must be observed3) For retrofitting in positioner version -B and -C, the product must be tested
by a qualified inspector as a special version in accordance with ElexV4) Except manifold with gauges5) Without explosion protection6) –40 ... 80 °C (–40 ... 176 °F) for the fail-safe version of inductive
Connection manifold, connections same levelCode LEXG-CN
Booster single acting with doubled output capacityCode VKXG-HN
1 23 6
913.58
65,
52.5
8
3.4688
1 25 6
1044.09
87 3.43
1084.25
1 234 6
104
4.09
83
3.27
85 3.35
Booster double actingCode VKXG-GN
1 234
6
301.18
883.46
28,5
1.1
2
1 23
6
4
88
3.46
30
1.18
28,5
1.12
mmin
1 Female thread 1/4-18 NPT for supply air2 Female thread 1/4-18 NPT for input (w)3 Female thread 1/4-18 NPT for output I (y1)4 Female thread 1/4-18 NPT for output II (y2)5 Female thread 1/2-14 NPT for output I (y1)6 Fixing screws 17 mm A/F
DIMENSIONS Additional equipment
PSS EVE0101 A-(en) SRP981 11
Built-in limit switch Code R, T, U, V
Built-in position transmitter Code W
Connection manifold with gauges Code LEXG-JN, -KN, -LN, -MN, -NNConnection manifold for gauges Code LEXG-RN, -TN, -SN
963.78
21
3
752.95
53,5
2.11
102
4.02
1 24 38 9
6
7
mmin
1 Female thread 1/4-18 NPT for supply air2 Female thread 1/4-18 NPT for input (w)3 Female thread 1/4-18 NPT for output I (y1)4 Female thread 1/4-18 NPT for output II (y2)
(only on manifold Code M, N)
6 Fixing screws 17 mm A/F
1 Cable gland2 Dummy plug can be replaced with 13 Connection terminals
Built-in limit switch CodeT, U R V
1 Cable gland2 Dummy plug can be replaced with 13 Connection terminals (+/–)4 Ground connection
1 2 3 4
A B
1
2
3
DC
4142 52 51
A B
42
41
DC
52
51
DC
42 41 52 51
A B
4
42
41
52
51
A
B
A
BA
B
ManifoldCode LEXG
7Gauge for
8Gauge for
9Gauge for
Version
Action
-JN (-RN*) without output (y) supply air single
-KN (-RN*) input (w) without supply air single
-LN (-RN*) input (w) output (y) supply air single
-MN (-SN*) supply air output I (y1) output II (y2) double
-NN (-TN*) input (w) output I (y1) output II (y2) double
*) Connection manifold for gauges, without gauges(for customer’s gauges)
DIMENSIONS, CONNECTIONS
Subject to alterations - reprinting, copying and translation prohibited. Products and publications are normallyquoted here without reference to existing patents, registered utility models or trademarks. The lack of any suchreference does not justify the assumption that a product or symbol is free.