Wiring single-ended inputs – Spectrum Controls 1756sc-CTR8 User Manual

Page 21

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Important: If noise persists, try grounding the opposite end of the cable,
instead (Ground one end only.)

Wiring Single-ended

Inputs

The following figure shows the general terminal block layout. A single-ended input uses a pair of
terminals, Hi(x) and Com. Gate lines are wired with their respective Gate(x) and Com terminals.

Hi 4

Com

Gate 4

Com

Hi 5

Com

Gate 5

Com

Hi 6

Com

Gate 6

Com

Hi 7

Com

Gate 7

Com

N/C
N/C

Hi 0
Com
Gate 0
Com
Hi 1
Com
Gate 1
Com
Hi 2
Com
Gate 2
Com
Hi 3
Com
Gate 3
Com
N/C
N/C

Single-ended Wiring

Unidirectional Input

Chassis
Ground