YOKOGAWA UT350, Instruction Manual

Page: 74 / 82

6-2
<Toc> <6. Function Block Diagram and Descriptions>
IM 05D01D02-41E 1st Edition : May 31,2000-00
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Function Block Diagram for Standard Type
SP.NO
SP.NO=0 SP.NO=1 to 4
AUTO (ON)/MAN (OFF) switching
OT
LOCAL REMOTE
AUTO MAN
RUN
*1
STOP
A/M
Control
output
RET
DO3 DO2 DO1
Alarm 1 Alarm 2 Alarm 3
DI1 DI2
Contact input
PV input
terminals
, and 12 13 11
PV INPUT
Input selection
Unit selection
Input range conversion
Input bias
Input filter
Communication
terminals to
RS485
27 23
Target setpoints 1 to 4
Target setpoint
ramp-rate function
Control computation Manual operation
Preset output Output limiter
OUTPUT1 OUTPUT1
17 16
Relay
terminals
, and 2 3 1
Current or pulse
terminals
and
*1: If the setup parameter DIS (DI function selection) is set to “4”,
when the contact input 2 is ON (stop state), that controller outputs the preset output value.
15 V loop
power supply
Retransmission
output
OUTPUT2
/RET
Current
terminals
and 15 14
Alarm function
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
LPS
21
Terminals
and
22
24 V loop
power supply