CONTREX CX-1200 - Manual (Page 341)

B - 1
APPENDIX B: FORMULAS
(Continued)
The equations used to scale the Frequency Input 1 signal are given by:
MP-05 = MP-01 * CP-263 * X Seconds s
CP-262 CP-209
written with parameter text:
Ld EU/Tm = FI1 Hz * EU FI1 1 * X Seconds
Pulses FI1 Time Base
where X = 1 for CP-209 = 0, None
X = 1 for CP-209 = 1, Second
X = 60 for CP-209 = 2, Minute
X = 3600 for CP-209 = 3, Hour
FI1 EU/Tm (MP-05) given in EU/Tm is multiplied by the ratio (given by CP-220) to obtain the desired speed in follower
applications.
MP-02 = MP-01 * 1 Rev * 60 Seconds
CP-261 Minute
written with parameter text:
FI1 RPM = FI1 Hz * 1 * 60 Seconds
PPR FI1 Minute
MP-10 = Lead Counts * CP-260 * CP-263
Count CP-262
written with parameter text:
Ld Posn = Lead Cnts * X Pulses (CP-260) * EU FI1
Count Pulses FI1
where X = 1 for CP-260 = 1, Quad (quadrature mode)
X = 4 for CP-260 = 2, Incr (incremental mode)
Keep in mind that the scaling is included in the ratio calculation for more accurate results. This further justifies using
integers when possible for the scaling numbers.