Badger Meter SRD/SRI Valve Positioners - Manual (Page 24)

Inductive Limit Switch – Code T, U
Output 2 inductive proximity sensors acc to
DIN 19 234 or NAMUR for connection to
switching amplifier
1)
Current
Consumption Vane clear > 2 2 mA
Vane interposed < 1 mA
For control circuit
with the following
electrical values: Supply voltage 8V DC, R
i
approx 1
kOhm
Supply voltage
range 5…25V DC (with
"no Ex")
Residual ripple < 10 % p p
permissible
Line resistance < 100 Ohms
Response
Characteristic
2) 3)
Switching
differential < 1
% switching point
repeatability < 0 2 %
Terminals for GW1 41+, 42–
Terminals for GW2
51+, 52–
Electrical Classification ATEX of versions T and U
• For types of protection and temperature classes as basic
device, see page 13
• Additions for this option, Type AI 638 K, in EC- Certificate
of Conformity PTB00ATEX2128:
◊ Types of protection and temperature classes as basic
device For use in hazardous areas in circuits certified
as Intrinsically Safe with the following maximum
values: Ui= 16 V, Ii= 25 mA, Pi= 64 mW
◊ Internal capacitance and inductance: Ci= 30 nF, Li=
100 μH The electric circuits of Built-in Limit Switch
are galvanically separated from all other circuits and
from earth
1) Operating mode min (= low) / max (= high) selectable by adjustment of
switch vanes
2) Data measured according to VDI/VDE 2177
3) With stroke 30 mm and lever length 90 mm switches)
5) Operating mode min (=low) / max (=high) selectable by adjusting the
respective vane
6) Operating mode normally open / normally closed selectable by vane adjustment
7) Approval according to UL (UL 1054) and CSA (CSA 22 2 No 55) at 6000 operations
and T = 65° C / 149° F
8) Based on EN 61058-1, at 10,000 operations and T = 85° C / 185° F
9) General rating at 50,000 operations and T = 85° C / 185° F
Inductive Limit Switch, Three-wire system – Code R
Input Stroke / angle from actuator via positioner
feedback lever
Output 2 inductive proximity sensors,
three-wire system, LED indication, contact,
pnp 2)
Supply Voltage US 10…30V DC
Residual Ripple ± 10 %, Us = 30V
Switching
Frequency
2 kHz
Constant Current 100 mA
Response
Characteristic 6)
Gain continuously
adjustable from 1:1
to approx 7:1
Switching
differential
< 1 % Switching
point
Repeatability < 0 2 %
Terminals for GW1 42
Terminals for GW2 52
Supply 41+, 43–
1) Operating mode min (= low) / max (= high) selectable by adjustment of switch
vanes
2) Data measured according to VDI/VDE 2177
3) With stroke 30 mm and lever length 90 mm switches)
Mechanical Switches (Micro Switches) – Code V (Only
Without Ex Protection)
Input Stroke / angle derived from positioner
feedback lever
Output 2 mechanical switches (micro 5) 6))
Manufacturer Saia-Burgess
Type V4NS-C4-AC1-UL (UL- and CSA-approved)
Parts set for
subsequent
mounting
Code V EW 426 164 066
Absolute limit
values AC of
mechanical
switches built into
positioner
Umax 130V AC 7)
Imax 0 5 A (resistive Load) 7)
Imax 0 03 A (inductive Load) 8)
Absolute limit
values DC of
mechanical
switches built into
positioner 9)
Umax 1 A
Imax 1 A
Switching Differential < 2 5 %
Terminals for SW1 41, 42
Terminals for SW2 51, 52
The circuit of the mechanical switches have to be protected
by a suitable fuse The diameter of the protective conductor
needs to be at least 1 5 mm² / AWG 16
Additional Equipment
Page 24 August 2014 POS-UM-00223-EN-02