Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Instrukcja Użytkownika Pobierz pdf (Strona 189)

Message Formats

Appendix A

A27

Table A.B

Contents

of Status DA

A for 1775-KA Modules

Byte Meaning

Operating status of PLC-3 processor:

Bits 0 to 1:

0 = Program mode

1 = T

est mode

2 = Run mode

Bit 2:

Not used

Bit 3:

0 = Normal

1 = Major processor fault

Bit 4:

0 = Normal

1 = Shutdown requested

Bit 5:

0 = Normal

1 = Shutdown in ef

fect

Bits 6 to 7:

Not used

2 T

ype of station interface:

Bits 0 to 3:

6 = 1775-KA, Data Highway port

7 = 1775-KA, RS-232-C port

Bits 4 to 7:

4 = PLC-3 processor

Current context (stored in bits 4 to 7)

Thumbwheel number

5,6

Mode control word. The logical address of the mode control word is

E0.0.0.8.

1 2 ... 184 185 186 187 188 189 190 191 192 193 194 ... 238 239

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Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Instrukcja Użytkownika Strona 189