ProSoft Technology PLX31-EIP-SIE - Manual (Page 84)

EIP Protocol PLX3x Series
User Manual Ethernet and Serial Gateways
Page 84 of 218 ProSoft Technology, Inc.
September 17, 2014
PLC-5 Sub-Element Fields
This section contains information specific to the PLC-5 processor with relation to
the PCCC command set. The commands specific to the PLC-5 processor contain
a sub-element code field. This field selects a sub-element field in a complex data
table. For example, to obtain the current accumulated value for a counter or
timer, the sub-element field should be set to 2. The tables below show the sub-
element codes for PLC-5 complex data tables.
Timer / Counter
Code Description
0 Control
1 Preset
2 Accumulated
Control
Code Description
0 Control
1 Length
2 Position
PD*
Code
Description
0 Control
2 SP
4 Kp
6 Ki
8 Kd
26 PV
*All PD values are floating point values, so they are two words long.
BT
Code Description
0 Control
1
RLEN
2
DLEN
3 Data file #
4 Element #
5 Rack/Grp/Slot
MG
Code
Description
0 Control
1 Error
2 RLEN
3 DLEN