Appendix C: Product Compatibility Product Com
atibilit
117
Appendix C: Product Compatibility
Product Compatibility
Valves
MKS
downstream
control valves compatible with the 651 unit include:
Types 253 and 653
Transducers
Table 21 lists the current available to a transducer from a 651 controller (and its specific valve
configuration).
Transducer Current Available from Low and High Power Units
Valve
Configuration
651
Supply Type
Line Voltage
Range
Transducer
Current
Available
253/653 Low power 90 to 99 VAC 50/60 Hz 400 mA
180 to 198 VAC 50/60 Hz 400 mA
100 to 132 VAC 50/60 Hz 500 mA
200 to 264 VAC 50/60 Hz 500 mA
253/653 High power 90 to 132 VAC 48/62 Hz 1.5 A
180 to 264 VAC 48/62 Hz 1.5 A
Table 21: Transducer Current Available from Low and High Power Units
MKS transducers compatible with the
low power
651 unit include:
Types 122, 124, 127, 128
4
, 220, 121, and 223.
MKS transducers compatible with the
high power
651 unit include:
Types 120, 122, 124, 127, 128, 220, 121, 223, and 621.
4
To ensure proper operation of the Type 128 transducer in the (90 to 99/180 to 198) power line voltage
range, it is recommended that the
high power
651 unit be used. Above 100/200 volts, the
low power
unit
provides adequate power.