YOKOGAWA UT750 User Manual

6-4
<Toc> <6. Function Block Diagram and Descriptions>
IM 05D01B02-41E 1st Edition : May 31,2000-00
■ Function Block Diagram for Single-loop Position Proportional Control
SPNO
R/L
S/R
A/M
OUTPUT1 OUTPUT3
RET2 RET1
DO4DO3DO2DO1
Ratio/bias calculation
M
RS485 DI1 DI2 DI3 DI4 DI5 DI6 DI7INPUT1 INPUT3
Contact input
RMS=COMRMS=RSP
PV input
terminals , and
Remote input
terminals and
12 1311 2221
Communication
terminals to
and to
2723
3028
Input selection
Unit selection
Input selection
Unit selection
Target setpoint selection
Communication Aux.Input
Remote setting filter
Target setpoints 1 to 8
REMOTE (ON)/LOCAL (OFF) switching
LOCALREMOTE
Control computation
Output limiter
Target setpoint
ramp-rate function
Manual operation
In MAN operation, relay
is ON when or key
is hold down.
Preset output
AUTO (ON)/MAN (OFF) switching
STOP (ON)/RUN (OFF) switching
AUTOMAN
RUNSTOP
Feed-back
input
Relay output
Direct/reverse signal
OUTPUT
terminals
, and
49 5048
FEEDBACK
terminals
, and
46 4745
Valve position
sliding resistor
Motor-driven valve
15 V loop
power supply
Retransmission
output
Alarm function
Alarm 1 Alarm 2 Alarm 3 Alarm 4
Current
terminals
and
1514
Current
terminals
and
1716
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
Analog input range conversion
Analog input bias
Square root extraction
Analog input filter
Analog input range conversion
Analog input bias
Square root extraction
Analog input filter
10-seg. linearizer approx./bias
PV input bias
PV input filter
L relay
( key)
H relay
( key)
Signal comparison

YOKOGAWA UT750 Specifications

General

Brand	YOKOGAWA
Model	UT750
Category	Controller
Language	English