Control Circuit Terminals

Logic

inputs

L 5 4 3 2 1 P24

H O OI L FM CM2 12 11

 

 

 

 

 

 

 

Analog

 

 

Logic

 

 

Analog

 

 

inputs

outputs

 

 

outputs

 

 

 

 

 

AL0 AL1 AL2

Alarm

relay

Terminal

Description

Ratings and Notes

Name

 

 

 

 

 

 

 

 

P24

+24V for logic inputs

24VDC supply, 30 mA max.

 

 

(Notes: Do not use for

 

 

network power

 

 

Do not short to terminal L)

 

 

 

1, 2, 3, 4,

Intelligent (program-

27VDC max. (use P24 or an

5

mable) discrete logic

external supply referenced to

 

inputs

terminal L), 4.7kinput

 

 

impedance

 

 

 

11, 12

Discrete logic outputs

50 mA max. ON current,

 

 

27 VDC max. OFF voltage

 

 

 

L (top

GND for logic inputs

Sum of input 1 to 5 currents

row)

 

(Note: Do not ground)

 

 

 

CM2

Common for logic

100 mA max for sum of

 

outputs

terminals 11 and 12 currents

 

 

 

FM

PWM output

0 to 10VDC, 1 mA max.,

 

 

50% duty cycle

 

 

 

L (bottom

Common for analog

Sum of OI, O, and H

row)

inputs

currents (return)

 

 

 

OI

Analog input, current

4 to 19.6 mA range, 20 mA

 

 

nominal

 

 

 

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Hitachi NB5741XD manual Control Circuit Terminals, Description Ratings and Notes