Honeywell DCP552 Mark II - Manual (Page 133)

(3) Equivalent circuit showing connection of n SSRs
Equations (3) and (4) below must be satisfied.
V
SSR/MIN
≤ I
0
× Z+V
D
≤V
0
/N Equation (3)
V
SSR'
≤ V
SSR/MAX
Equation (4)
(V
SSR'
= I
0
× Z + V
D
)
(4) Equivalent circuit showing parallel connection of n SSRs
Equations (5) and (6) below must be satisfied.
V
SSR/MIN
≤ I
0
/N × Z+V
D
≤V
0
Equation (5)
V
SSR'
≤ V
SSR/MAX
Equation (6)
(
VSSR'
= I
0
/N × Z + V
D
)
I
(V )
0
0
SSR 1
V
Z
V
I /N
SSR n
V SSR'
Z
V
D
I /N
0
DCP552
SSR'
D
0
I
(V )
0
0
SSR 1
V
SSR'
Z
V
D
SSR n
V
SSR'
Z
V
D
DCP552
Chapter 7. PARAMETER SETUP
7-34