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Belt Weighing
Speed Sensors
SITRANS WS300
■
Dimensional drawings
WS300 dimensions
■
Schematics (Standard)
Connections
4
Description
+10 to +30 V DC
speed out-CW
speed out-CCW
common
ground
• Determine the pulley shaft rotation on the end of the pulley
shaft to which the WS300 is attached.
• If the pulley shaft is rotating clockwise, connect the appropri-
ate wire to terminal 2. If the pulley shaft is rotating counter-
clockwise, connect the appropriate wire to terminal 3.
• Do not connect terminals 2 and 3 at the same time.
• Connection between the WS300 standard unit and the integra-
tor should be made with three-wire shielded, 0.82 mm
(18 AWG) cable.
• Ground shield of cable at integrator only.
• Connect shield to appropriate terminal at the integrator.
■
Schematics (IS)
Connections
Description
+5 to +16 V DC, 25 mA max.
(from IS Switch Isolator)
speed out
ground
• Only terminals 1 and 2 are required; rotation in a clockwise or
counter-clockwise direction is not required.
• To connect the switch isolator, use two-wire shielded
2
0.324 mm
(22 AWG) cable. Use the same cable to connect
the switch isolator to the integrator.
• Ground shield of cable at integrator only.
• Connect shield to appropriate terminal at the integrator.
4/44
Siemens WT 10 · 2010
© Siemens AG 2010
Terminal
1
2
3
4
GND
2
Terminal
1
2
GND
Terminal Connections to Siemens Milltronics Integrators
WS300
1
+V
Milltronics BW100
8
Milltronics BW500
19
Terminal Connections to SIWAREX FTC Integrator
WS300
1
+V
SIWAREX FTC
24 V
(back-
plane
bus
Terminal Connections to Siemens Milltronics Integrators
WS300 IS
IS Switch Isolator
Terminal
1
2
Terminal Connections to SIWAREX FTC Integrator
WS300 IS
IS Switch Isolator
Terminal
1
2
Connect CI- to Common
2
3
4
GND
CW
CCW
Cmn
7
7
6
N/C
16
16
17
N/C
2
3
4
GND
CW
CCW
Cmn
X1.9
X1.9
X1.10
N/C
(CI+)
(CI+)
(CI- and
Com-
mon)
Integrator
1
3
7
speed signal input
8
- excitation
FTC
1
3
7
CI+
8
IL+
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