Examine the slc processor’s status word, Slc output status word status bits, Slc input status word status bits – Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module User Manual
Page 72: Examine the slc processor’s status word -6, Slc output status word to the interface module, Slc input status word from the interface module
Publication 1747-UM005B-EN-P - March 2006
6-6 Module Configuration Using the Backplane
Examine the SLC
Processor’s Status Word
SLC Output Status Word to the Interface Module
The output status word reserved for implementing backplane
configuration and for resetting the interface module is shown below.
Those status bits not defined here are reserved for future use.
SLC Output Status Word Status Bits
SLC Input Status Word from the Interface Module
This is the input status word reserved for implementing backplane
configuration and for resetting the interface module. Those status bits
not defined below are reserved for future use.
SLC Input Status Word Status Bits
0 = Data in the output image may not be
valid.
1 = Data in the Output Image file is valid.
1 = Reset the module.
0 = Place module in software Run
mode.
1 = Place module in software
Configuration mode.
Status Word, Word 0
B
it Number (decimal) 15 14 13 12 11 10 9
8 7
6
5
4
3
2
1
0
O:e.0
R
R
R
R
R
R
R
0 = Write
1 = Read
R
Valid Values:
01 = Calendar/Clock Setup
02 = DF1 Configuration
03 = DH-485 Configuration
04 = Modem Init String
(characters 1 through 14)
05 = Modem Init String
(characters 15 through 28)
06 = Data Echo Function
(all other values are invalid)
Data Handshake Bit
Reset Interface Module Bit
Module Mode Bit
Read or Write Bit
Data ID Value BIts
1 = Acknowledges that the module
was reset from the SLC processor.
0 = Module is running.
1 = Module requires configuring or is
in software Configuration mode.
Status Word, Word 0
B
it Number (decimal) 15 14 13 12 11 10 9
8 7
6
5
4
3
2
1
0
I:e.0
0 = Battery is good.
1 = Battery is low.
0 = Modem carrier detected.
1 = Modem carrier inactive
(no modem connected).
0 = Input image data may not be valid.
1 = SLC output image data is accepted by the
interface module. Input image data is valid.
Data Handshake Bit
(1)
Reset Acknowledge Bit
(1)
Status Code Bits
Data ID Value Bits
(1)
Modem Lost Bit
(1)
Battery Status Bit
Module Mode Bit
(1)
Applies to series B, or later interface modules only.