GE 4700E

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ATEX Instruction Manual GEA19513 – 03/2012
4700E and 4800E Series Electropneumatic Positioners
1. NUMBERING SYSTEM
4
Capacity of pilot
Signal span
Mounting
Type
7. standard
8. high flow
0. 4–20 mA
1. 20.7 to 103.5 KPa (3 to 15 psi)
2. 41.4 to 206.8 KPa (6 to 30 psi)
0. Rotary
1. Linear
P - Pneumatic
E - Electropneumatic
2. TECHNICAL DATA
2.1. Performance
Performance (% of the signal range)
4700E
4800E
Dead Zone
< 0.5
< 0.5
Hysteresis
< 0.5
< 0.8
Repeatability
0.5
0.5
Sensitivity
0.3
0.5
Conformity
± 1
± 1
Input impedance
170 ohms
170 ohms
Maximum service temperature range: (refer to the marking on the apparatus).
Standard Instrument: - 40 °C to + 85 °C (-40°F to +185°F)
Storage temperature: - 55°C to + 90°C (-67°F to + 194°F)
The components of the I/P Module are protected by a metallic housing. Housing electrical protection index: IP 66.
2.2. Schematic
(C)
(J*)
REP.
Designation
REP.
Designation
REP.
Designation
4
Spring end
12
Supply gauge
C
Cover
4b
Zero nut
13
Output gauge
J (*)
O'ring seal
4c
Zero lock nut
19
Vent plug
O
Output
5
Feedback spring
43
Plug
S
Supply
8
Socket head screw
V
Safety screw
* O'ring seal is not visible.