Control Circuit Terminals - Hitachi L200 Series Quick Reference Manual

Control Circuit Terminals

Analog Analog
output inputs
AM H O OI
Terminal
Name
PCS +24V for logic inputs
1, 2, 3, 4, Intelligent (program-
5 mable) discrete logic
inputs
L (right) GND for logic inputs
11, 12 Discrete logic outputs
CM2 GND for logic outputs
AM Analog voltage output
L (left) GND for analog signals
Alarm relay
AL2 AL1 AL0
L 5 4 3 2 1
L
Description
Logic inputs
Ratings and Notes
24VDC supply, 30 mA max.
(Notes: Do not use for network
power
Do not short to terminal L)
27VDC max. (use P24 or an
external supply referenced to
terminal L), 4.7kΩ input
impedance
Sum of input 1 to 5 currents
(Note: Do not ground)
50 mA max. ON current,
27 VDC max. OFF voltage
100 mA max for sum of
terminals 11 and 12 currents
0 to 10VDC, 1 mA max., 50%
duty cycle
Sum of OI, O, H, and AM
currents (return)
2
Logic
outputs
PCS
CM2 12 11