RWD62U Universal Controller Technical Instructions
Document Number 155-737
January 14, 2005
Function Summary
• Controller
Stand-alone controller with two 0 to 10 Vdc outputs with independent adjustment
on each sequence for direct acting and/or reverse acting. Adjustable parameters,
including proportional band and integral action time.
• Auxiliary selectable function
• Universal input X2 for one of the following auxiliary functions:
− P+I limiter function (Absolute and Relative)
− Remote setpoint
− Cascade control
− Setpoint compensation
− Winter/summer operation
− Maximum priority
• Digital input D1 for setpoint changeover day/night
Equipment
Combinations
The following Siemens devices can be connected to RWD62U Universal Controllers.
Other combinations with units from third-party manufacturers are possible, if the
input and output specifications match the RWD62U.
Table 1.
Description Document Number
Sensor with Siemens Ni 1000 temperature sensing element
QAA25U Room temperature sensor with setpoint adjuster
155-330
GIB Series 310 lb-in Non Spring Return Actuators
GBB Series 177 lb-in Non Spring Return Actuators
155-176P25
155-177P25
GEB Series 132 in-lb Non Spring Return Actuators 155-318P25
GCA Series 142 in-lb Spring Return Actuators
155-173P25
155-174P25
155-175P25
GMA Series 62 in-lb Spring Return Actuators 155-315P25
SKD Valve Actuator with proportional input 155-180P25
SKB/SKC Valve Actuator with proportional input 155-163P25
SQX Valve Actuator with proportional input 155-182P25
SQS Valve Actuator with proportional input 155-190P25
SSC Valve Actuator with proportional input 155-313P25
SSB Valve Actuator with proportional input 155-192P25
Electric Rack and Pinion proportional actuator 155-541P25
1/2 to 2-inch two-way globe valves 155-184P25
1/2 to 2-inch three-way globe valves 155-185P25
2-1/2 to 6-inch two-way flange valves 155-159P25
2-1/2 to 6-inch three-way flange valves 155-160P25
MT Series 1/2 to 1-1/2-inch two-way globe valves 155-196P25
MT Series 1/2 to 1-1/2-inch three-way globe valves 155-197P25
MZ Series 1/2 to 1-inch two-way globe valves 155-198P25
MZ Series 1/2 to I-inch three-way ball valves 155-199P25
Differential Pressure Sensor 155-719
Siemens Building Technologies, Inc. Page 3
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