Description of the status data – FANUC Robotics America GFK-1541B User Manual

Page 136

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GFK-1541B

Chapter 4 Programming Modbus/TCP Channel Commands

4-21

4

Description of the Status Data

The errors and status reported in each type of status data are described below.

FT Output of the COMMREQ Function Block

The FT Output passes power upon the following errors:

ƒ

Invalid rack/slot specified. The module at this rack/slot is unable to receive a COMMREQ.

ƒ

Invalid Task ID.

ƒ

Invalid Data Block length (zero or greater than 128).

ƒ

Too many simultaneous active COMMREQs (overloading either the PLC CPU or the
Ethernet Interface).

LAN Interface Status (LIS) Bits

The status bits occupy a single block of memory. The location of this block is specified during
configuration of the Ethernet Interface. The first 16 bits of the block are the LAN Interface Status
(LIS) bits. The next 64 bits are the Channel Status bits (2 for each channel).

Status Bits

Brief Description

1–7

Reserved

8

AAUI (90-30) fuse blown

9

Any SRTP Channel Error

10–12

Reserved

13

LAN OK

14

Resource problem

15

Reserved

16

LAN Interface OK

17

Connection Open - Channel 1

18

Reserved

...

...

47

Connection Open - Channel 16

48

Reserved

49 –80

Reserved for 90-30

Note

Unless the “LAN Interface OK” bit is set (Status Bit 16), the other status bits
are invalid.

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