YOKOGAWA UP35A, User Manual

Page: 122 / 412

8-5
IM 05P02D41-01EN
Control Functions
8
n
Single-loop Heating/cooling Control Function Block Diagram
SP limiter
PV
Input type
Input unit
Input range/scale
PV input bias
PV input filter
BS
FL
CNT ALG
SPH, SPL
UNIT
IN
RH, RL SDP SH, SL
Control computation
Manual operation
Manual preset output
Input error preset output
Heating-side preset output
AUTO
When sensor
burnout occurs
When sensor
burnout occurs
Normal Normal
MAN
RUN RESET
EPO
OH, OL OHc, OLc
Input error preset output
EPO
PO
Cooling-side preset output
RESET
POc
MPON
Heating/cooling computation
Heating-side output limiter Cooling-side output limiter
RUN
Current or
voltage pulse
Relay Current or
voltage pulse
Relay
OUT retransmission output
OT
O1RS
RET retransmission output
RTS
Heating-side
output
Heating-side
output
OUT OUT
Cooling-side
output
Cooling-side
output
OUT2 RET/OUT2
* After the control output terminal is specified by the parameter OT,
other current output terminals can be used as retransmission output.
Output terminal assignment
Equipped as standard
(Current when retransmission output) (Current when retransmission output)
PV input
Equipped as standard
Manual output is prioritized even if
sensor burnout occurs in MAN.
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
PV display
SP display
Input ladder calculation program (signal goes to the control computation as is when without ladder program). For ladder program, see the LL50A Parameters Setting Software User’s Manual.
For optional suffix code /HA
Heater break alarm
HAL2 HAL1
Heater break
alarm 1
Heater break
alarm 2
RS-485, Ethernet, PROFIBUS-DP, DeviceNet, CC-Link
Com.
Program pattern
Local target setpoint Reset
TSP S.PID
PTNO.
TIME TM.RT
L.PID
LSP
SSP
LOC
RUN
RST
RESET/RUN switch RESET/RUN switch
DI45 DI44 DI43 DI42 DI41 DI2 DI1 DI3
Contact inputs
Start of program operation
when DI changes from OFF to ON.
Stop of program operation
when DI changes from OFF to ON.
Start of local-mode operation
when DI changes from OFF to ON.
Program pattern
selection
(Select a
number during a
RESET state.)
RST
A/M
LOC
RUN
LOC
RUN
AL3 AL2 AL1
PV event 1 PV event 2
Alarm 1 Alarm 2
Time event 1 Time event 2 Time event 3 Time event 4
DO13 DO12 DO11 DO14 DO15
PV event, Time event, Alarm
(For Standard model) DO11 to
DO15 are equipped
when suffix code: Type 2 = 1.
(UP35A)
Output ladder calculation program (signal goes to the output as is when without ladder program). For ladder program, see the LL50A Parameter Setting Software User’s Manual.
LPS
24 V loop
power supply
For optional suffix code /L4
(For Standard model) DI41 to DI45 are equipped
when suffix code: Type 2 = 1. (UP35A)
(For Detailed model) DI41 to DI45 are equipped
when optional suffix code /X4. (UP35A)
(For Detailed model) DO11 to
DO15 are equipped
when optional suffix code /Y1.
(UP35A)
Analog input bias
Analog input filter
A.BS
A.FL
8.1 Control Function Block Diagrams