Honeywell DCP301 - Page 121

Chapter 7. PARAMETER SETUP
7-36
(3) Equivalent circuit when N number of SSRs are connected in series
DCP301 SSR 1
IO
(VO)
VSSR'
Z
VD
SSR N
+
–
VSSR'
Z
VD
– –
+ +
Formulas (3) and (4) formulas must be satisfied.
(3) formula VSSR/MIN ≤ IO x Z + VD ≤ VO/N
(4) formula VSSR' ≤ VSSR/MAX
(VSSR' = IO x Z + VD)
(4) Equivalent circuit when N number of SSRs are connected in parallel
DCP301 SSR 1
+
–
+
–
IO
(VO)
VSSR'
Z
VD
SSR N
+
–
VSSR'
Z
VD
IO/N IO/N
Formulas (5) and (6) formulas must be satisfied.
(5) formula VSSR/MIN ≤ IO/N x Z + VD ≤ VO
(6) formula VSSR' ≤ VSSR/MAX
(VSSR' = IO/N x Z + VD)