RKC INSTRUMENT RB Series - Input;Output and Function Blocks

1. OUTLINE
IMR02C15-E4
1-3
1.2 Input/Output and Function Blocks
This section describes the input/output and function blocks of the instrument.
Communication function is not
available with DI1 and DI2 on
RB100.
Control processing
• PID control
• Heat/Cool PID control
• ON/OFF control
• Autotuning (AT)
• Startup tuning (ST)
• Fine tuning
• Direct/Reverse action
• Output limiter
Communication
processing
Input processing
• PV digital filter
• PV bias
Current capture
processing
DI function assignment
• SV selection
• RUN/STOP transfer
• AUTO/MAN transfer
• Interlock release
PV monitor
Current value
monitor
RTD
CT1 *
DI2 *
Transmission output
(Voltage/Current)*
• Measured value (PV)
• Set value (SV)
• Manipulated output
value (MV1)
TC
Voltage/Current
SV1
SV2
SV3
SV4
Setting change rate limiter
SV monitor
Timer function
• Timer 1 to 4
• Timer time
• Timer function
• Repeat execution times
COM-K must be used to connect to
a PC via the loader port.
RS-485
Communication
f
u
n
c
ti
o
n *
Loader
communication
RKC
communication
MV monitor
Control output
(heat-side)
Control output
(cool-side)
OUT1
OUT2
OUT2 can be used as
Event 3 output for RB100.
DO1
DO2
DO3
DO4
DO3 and DO4 are not
available with RB100.
DI1 and DI2 are not available
with Communication function
on RB100.
Delay timer
Interlock
Energized/De-energized
Event 1 to 4 processing
• Temperature alarm
• Heater break alarm
(HBA)
• Control loop break alarm
(LBA)
• Monitor during RUN
• Communication monitoring
• FAIL
FAIL output [fixed at
de-energized]
(contact open when
error occurs)
CT2 *
Measured
input
CT input
Control output
• Relay contact
• Voltage pulse
• Voltage/Current
• Triac
• Open collector
Event output
• Relay contact
Manual manipulated
output value
Output
limiter
Output
limiter
A
UTO
MAN
Output types and
functions vary
based on the model
code.
DI1 *
: Monitor display
Marked
*: Optional
Set value
Remaining time monitor
SV selection
(Front key, DI,
communication)
RUN/STOP transfe
r
(Front key, DI,
communication)
Auto (AUTO)/Manual (MAN) transfer
(Front key, DI, communication)
Interlock release
(Front key, DI,
communication
)
Digital input
• Dry contact
Event 1
Event 2
Event 3
Event 4
Protocol selections
(Ramp/Soak control)
Modbus
FAIL output