4-9
● Resistor type (Azbil Corporation's PGM, etc.)
When necessary, an appropriate external resistor is connected in series so that the
voltage between the input terminals of the SSR you are using is within the
specified range.
(Example) Connection of two Azbil Corporation PGM units
Connection diagram
V: 19V ± 15%
R0: 82Ω ± 0.5%
R1: 680 Ω
R2: 260 Ω
Vf: 1.1V
Voltage between terminals of PGM =
(V - 2 X Vf) / (R0 + R1+ R2 + R2) X R2 + Vf
4.5 V
Input voltage range of PGM: Since the input voltage range is 3 to 6V, the
operation is possible.
External resistors
Number of connectable units
(Note) 4 units for each output
Chapter 4. WIRING
SSR to be used Connection V0 model VV model
Azbil Corporation PGM Serial connection Up to 4 units Up to 8 units (Note)
SSR to be Number of units Connection External Notes
used to be connected resistor
Azbil Corporation
1–1kΩ (serial connection) Rating is 1/2W or more.
PGM 2 Serial connection 680Ω (serial connection) Rating is 1/2W or more.
3 Serial connection 330Ω (serial connection) Rating is 1/2W or more.
4 Serial connection None