RKC INSTRUMENT PF900 User Manual

4. BASIC OPERATION
IMR02L04-E3
4-42
Continued from the previous page.
Name Symbol Data range
Factory set
value
AT cycles
ATC
0: 1.5 cycles 2: 2.5 cycles
1: 2.0 cycles 3: 3.0 cycles
0
Output value with AT turned on
ATON
Output value with AT turned off to +105.0 %
Actual output values become those restricted by the Output
limiter.
Position proportioning PID control:
Becomes valid only when there is Feedback resistance
(FBR) input and it does not break (high limit of Feedback
resistance input at AT).
105.0
Output value with AT turned off
ATOF

105.0 % to Output value with AT turned on
Actual output values become those restricted by the Output
limiter.
Position proportioning PID control:
Becomes valid only when there is Feedback resistance
(FBR) input and it does not break (low limit of Feedback
resistance input at AT).

105.0
AT with learning function at ramp
segment
ATT.R
0: No AT with learning function at ramp segment
1: Conduct AT with learning function at ramp segment
0
Function block 53 (F53.01 to F53.05)
Action at feedback resistance (FBR)
input error
YBR
0: Action depending on the Valve action at Reset mode
1: Control action continued
0
Feedback adjustment
POS
ADJ: Adjustment end
OPEN: During adjustment on the open-side
CLOSE: During adjustment on the close-side
To start Feedback adjustment, press and hold the  key
for 5 seconds or more at
ADJ display.
Err display: Adjustment error
When FBR input is not specified, only AdJ displays.
ADJ
Control motor time
MOT
5 to 1000 seconds 10
Integrated output limiter
OLA
0.0 to 200.0 % of Control motor time
0.0: OFF
Invalidate when Feedback resistance (FBR) input is selected.
150.0
Valve action in Reset mode
VAL
0: Open-side output OFF, Close-side output OFF
1: Open-side output OFF, Close-side output ON
2: Open-side output ON, Close-side output OFF
Invalidate when Feedback resistance (FBR) input is selected.
0
Function block 60 (F60.01 to F60.05)
Communication 1 protocol
CMP1
0: RKC communication
1: Modbus
Based on
model code.
Device address 1 *
ADD1
RKC communication: 0 to 99
Modbus: 1 to 99
RKC
communication :
0
Modbus: 1
Communication speed 1 *
BPS1
2400: 2400 bps 19200: 19200 bps
4800: 4800 bps 38400: 38400 bps
9600: 9600 bps 57600: 57600 bps
19200
Data bit configuration 1 *
BIT1
Symbol Data bit Parity bi
t
Stop bi
t
8N1
8N1
a
8N2
a
8E1
a
8E2
a
8o1
8o2
7N1
7N2
7E1
7E2
7o1
7o2
8 bit
8 bit
8 bit
8 bit
8 bit
8 bit
7 bit
7 bit
7 bit
7 bit
7 bit
7 bi
t
Without
Without
Even
Even
Odd
Odd
Without
Without
Even
Even
Odd
Odd
1 bit
2 bit
1 bit
2 bit
1 bit
2 bit
1 bit
2 bit
1 bit
2 bit
1 bit
2 bi
t
a
Available for only Modbus
Interval time 1 *
INT1
0 to 250 ms 10
* It is not necessary to change the operation mode to the Reset mode (RESET) when setting the parameters. The parameters may
also be set in the Setup setting mode.
Continued on the next page.

RKC INSTRUMENT PF900 Specifications

General

Brand	RKC INSTRUMENT
Model	PF900
Category	Controller
Language	English