MKS 651C - Page 130

Model Code A
pp
endix B: Model Code Ex
p
lanation
116
Interface (Y)
The type of interface is indicated by a single digit code.
Ordering Code
RS-232 2
Valve Driver (Z)
The valve driver is designated by a single letter code.
Ordering Code
Stepper Motor S
Power Supply (C)
Two power supplies are available, designated by a single number code.
Ordering Code
0.5 Amp 1
1.5 Amp 2
Options (D)
The battery back-up for valve control is designated by a single letter code.
Ordering Code
None N
Battery Back-Up B