Delta RMC151 - Manual (Page 39)

Appendix A: Wiring
Discrete Output Wiring
The RMC150E, DI/O and UI/O outputs are solid state relays. When off,
they have high impedance, and when on, they have low impedance.
When switching inductive loads, place a diode or tranzorb across the
load to protect the switch when it turns off. Otherwise, a voltage spike
in excess of the 30 V rating of the SSR may occur. See the RMC150E
Discrete I/O Wiring topic in the RMCTools help for more details.
DI/O and UI/O Module
Outputs can be wired in either a high-side or low-side configuration.
Because all the outputs share a common, all outputs on the same
module must be wired the same.
RMC150E Module
Each output has a “+” and “–” connection. Outputs can be wired in
either a high-side or low-side configuration.
RMC150E DI/O UI/O
On Impedance 50Ω max, 25Ω typical
Max Current 75 mA
(50 mA for Class I Div 2)
75 mA
(Class I Div 2 not available)
Max Voltage 30 V
RMC150E Resistive
load
+VCC (12-24 VDC)
Output +
Output -
RMC150E
+VCC (12-24 VDC)
Output +
Output -
Resistive
load
RMC Module
+VCC (12-24 VDC)
Output
Output
Resistive
Load
…
Output Cmn
RMC Module
+VCC (12-24 VDC)
Output
Output
Resistive
Load
…
Output Cmn
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