Baldor MIN1853 manual Discrete I/O Connections, Limits Connections, Et±

Discrete I/O Connections

The 25 pin “Discrete I/O” connector (Figure 3-5) contains the Input 1–8, Output 1–8 and OPTO 44/88 connections. (See Figures 3-15, 3-16 and the Section “OPTO 44/88” description.

Figure 3-15 Opto Isolated Input Connections (Inputs 1–8)

Inputs 1–8 (Isolated)

Com

+5VDC (Isolated)

470Ù

Opto Isolator

Common (Isolated)

Figure 3-16 Programmable Output Connections

Standard 12V Output Connections

Optional 24V Output Connections

Jumper

Outputs 1–8 (Programmable)

12V

P–Up

10kÙ

Opto

Com Isolator

(Remove Jumper)

External +24V +24VDC Supply Com

Outputs 1–8 (Programmable)

12V

P–Up

Com

10kÙ

Opto Isolator

Factory installed jumper for 12VDC pull–up operation. Maximum current sink capability is 100mA per output and 350mA maximum from internal 12VDC supply.

Remove factory installed jumper from terminal P–Up. Connect an external 24VDC supply to terminals P–Up and Com. (Terminal P–Up must be positive).

Limits Connections

Figure 3-17 Opto Isolated Input Connections (Inputs 1–8)

Isolated Inputs (Home, ET+, ET–)

Com

+5VDC (Isolated)

			Limits
715 Ù	Limit	Drive	Color
	+V	12V	Brown
	0V	Com	Green
	Output	ET±	White/Red
Opto
Isolator
Common
(Isolated)

MN1853 Receiving & Installation 3-11