User Guide

Technical Instructions Flowrite EA 599 Series SKB/C/D 62UA Electronic Valve Actuator Advanced Features
Document Number 155-717
July 11, 2011
Page 2 Siemens Industry, Inc.
Warning/Caution Notations
Personal injury/loss of life may occur if you do not
perform a procedure as specified.
WARNING:
Equipment damage, or loss of data may occur if you
do not perform a procedure as specified.
CAUTION:
Specifications
Operating voltage (SELV,PELV) 24 Vac ± 20%
Power Supply
Frequency 50 or 60 Hz
Power consumption
SKB62UA 17 VA/12W
SKC62UA 28 VA/20W
SKD62UA 17 VA/12W
Type of control (proportional) 0 to 10 Vdc; 4 to 20 mA;
or 0 to 1000 ohms
Operating
Running time
Opening
: Closing:
SKB62UA 120 seconds 15 seconds
SKC62UA 120 seconds 20 seconds
SKD62UA 30 seconds 15 seconds
Spring-return time Closing:
SKB62UA 15 seconds
SKC62UA 20 seconds
SKD62UA 15 seconds
Nominal stroke
SKB62UA 3/4-inch (20 mm)
SKC62UA 1-1/2-inch (40 mm)
SKD62UA 3/4-inch (20 mm)
Position force
SKB/C 62UA 2800N
SKD62UA 1000N
Terminal Y
Signal Inputs
Voltage 0 to 10 Vdc
Input impendence 100K ohm
Current 4 to 20 mA
Input impedance 240 ohm
Signal resolution <1%
Hysteresis <1%
Terminal Z
Resistance 0 to 1000 ohm
Override control functions
Z not connected No function (priority at Terminal Y)
Z connected directly to G Maximum stroke 100%
Z connected directly to G0 Minimum stroke 0%
Z connected to M via 0 to 1000 ohm Linear or equal percentage