Honeywell HC900 Reference Guide

Function Blocks
8AND Function Block
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 77
2/07
8AND Function Block
Description
The 8AND label stands for the AND Boolean function (8 Inputs).
This block is part of the
Logic and Fast Logic categories.
Function
Turns digital output (OUT) ON when inputs X1 through X8 are ON. Thus,
• If all inputs are ON, then: OUT = ON.
• If any input is OFF, then: OUT = OFF.
Input
X1
= First digital signal
X2 = Second digital signal
X3 = Third digital signal
X4 = Fourth digital signal
X5 = Fifth digital signal
X6 = Sixth digital signal
X7 = Seventh digital signal
X8 = Eighth digital signal
ATTENTION
Unused values must be set to 1 or inverted.
Output
OUT
= Digital signal controlled by status of input signals.

Honeywell HC900 Specifications

General

Series	HC900
Redundancy	Optional
Programming Language	Function Block Diagram, Ladder Logic, Structured Text
Inputs	Analog, Digital
Outputs	Analog, Digital, Relay
Display	Optional
Control	PID, Advanced Control
Power Supply	24V DC or 100-240V AC
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% non-condensing
Communication Protocols	Modbus, Ethernet