Input Words
Original instructions
Purpose
This section describes input words.
Input Words 3x ... 3x + 15
16 words of input data are used for 6 120VAC input points and the Modbus master response buffer.
Input Words Control Mode 1
Word 1
Sequence #
Word 2
Status
AC input
Word 3 ... 16
Message response data field
Input Words Control Modes 2 ... 8
Word 1
Sequence #
Word 2
Status
AC input
Word 3
Message 1 response
Message 2 response
Word 4
Message 3 response
Message 4 response
Word 5 ... 16
Message response data field
Input Word 1
Input word 1 contains an echo of the sequence number.
Input Word 2
Input word 2 contains 6 bits of 120 VAC input data and 8 bits for module status.
Input Word 1 High Byte (Status).
Bit 15 (MSB)
0= message processing done
1= message in process
Bit 14
Copy of output 3
Bit 13
Copy of output 2
Bit 12
Copy of output 1
Bit 11
Not used
Bit 9
1= fuse ok
0= fuse blown
Bit 8
1= module healthy
0= module not healthy
Input Word 1 Low Byte (Input Data Values).
Bit 7 ... 6
Not used
Bit 5
Input 6
Bit 4
Input 5
Bit 3
Input 4
Bit 2
Input 3
Bit 1
Input 2
Bit 0 (LSB)
Input 1