Eaton easy800 User Manual

12 Appendix
12.8 List of function blocks
370 Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com
12.8.1 Function block coils
The following table is a general overview of the function block contacts. A
detailed overview of all contacts used in the circuit diagram is provided in
￫ Section “12.10 Memory requirement“ on Page 378.
Table 27: General overview of the function block coils
Coil Meaning of
abbreviation
Description
BD Backward Direction Bit data input, shift direction backward
BP Backward Pulse
Trigger coil
Clock input, shift direction backward
C_ Count input
Counter input
D_ Direction input
Count direction
ED Enable Differential Ratio
Activate differential component
EI Enable Integral Ratio
Activate integral component
EN Enable
Enable function block
EP Enable Proportional
component
Activate proportional component
FD Forward Direction
Bit data input, forwards shift direction
FP Forward Pulse
Trigger coil
Clock input, forward shift direction
RE Reset
Reset actual value to zero
RF Read First
Trigger coil
On detecting a rising edge (trigger) and EN = 1 the oldest value entered
in the table is read out and supplied at output QV (FIFO function)
RL Read Last
Trigger coil
On detecting a rising edge (trigger) and EN = 1 the newest value
entered in the table is read out and output at output QV (LIFO function)
SE Set Enable
Set to a setpoint value
ST Stop
Stop block processing
T_ Trigger
Trigger coil for starting the timing relay
WP Word Pulse
Trigger coil
On detecting a rising edge (trigger) and EN = 1 the value is entered in
the table

Eaton easy800 Specifications

General

Supply voltage	24 VDC, 100-240 VAC
Programming Software	EASY-SOFT
Display	LCD
Protection class	IP20
Number of Digital Inputs	8
Communication Ports	RS-485
Operating temperature	-25°C to +55°C