Installation Instructions

Installation Instructions
Document No. 129-376
August 17, 2011
499 Ω Resistor Assembly Kit
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective
owners. © 2011 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089
USA
+ 1 847-215-1000
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EA1089R1
10 Inches
Figure 1. 499 Ohm Resistor Assembly.
Product Description
The 499-ohm Resistor Assembly Kit is used to
convert a 4 to 20 mA controller output signal into a 2
to 10 Vdc actuator input signal.
Contents
• 499-ohm resistor, 1/2 watt, ±1% tolerance,
metal film.
• Two 5-inch (13 mm) 18 AWG stranded, PVC
insulated red wires (soldered to resistor).
• Shrink tubing (applied over resistor and wire
connections).
Product Number
985-124
Instructions
Attach resistor between the signal and neutral leads
of the device.
EA1090R1
1
2
Supply (+)
Neutral (-)
24 Vac/dc
Controller
Neutral
Control
Signal
Supply
8
Actuator
499W
Resistor
Assembly
from Kit
985-124
Neutral
Supply
Input
2 to 10V
4 to 20 mA
Figure 2. Wiring Diagram for Converting 4 to 20 mA into 2 to 10 Vdc Signal.
Document No. 129-376
Printed in the USA
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