RKC INSTRUMENT PF900 User Manual

8. SPECIFICATIONS
IMR02L04-E1
8-3

Communication function [optional]
 Communication 1
(For the host communication)
Interface:
Based on RS-232C, EIA standard
Based on RS-485, EIA standard
Based on RS-422A, EIA standard
Multi-drop connection of RS-485 and RS-422A is available.
Connection method:
RS-422A:
4-wire system, half-duplex multi-drop connection
RS-485:
2-wire system, half-duplex multi-drop connection
RS-232C: 3-wire system, point-to-point connection
Synchronous method: Start/Stop synchronous type
Communication speed:
2400 bps, 4800 bps, 9600 bps, 19200 bps,
38400 bps, 57600 bps
Protocol:
RKC communication (
ANSI X3.28-1976 subcategories
2.5 and A4
) or Modbus-RTU
Data bit configuration:
Start bit: 1
Data bit: 7 or 8 (Modbus: 8-bit only)
Parity bit: Without, Odd or Even
(Modbus cannot be select the Odd)
Stop bit: 1 or 2
Maximum connections:
Up to 31 controllers (RS-485, RS-422A)
1 controller (RS-232C)
 Communication 2
(For the intercontroller communication)
Function:
Send the Set value (SV) to the slave controllers being
connected to link operation.
It is possible to link PID memory area.
Interface:
Based on RS-485, EIA standard
Connection method:
RS-485:
2-wire system, half-duplex multi-drop connection
Synchronous method: Start/Stop synchronous type
Communication speed:
9600 bps, 19200 bps, 38400 bps
Protocol: Modbus-RTU
Data bit configuration:
Start bit: 1
Data bit: 8
Parity bit: Without
Stop bit: 1
Slave connections: Up to 4 controllers (0: Link OFF)
Slave controllers: FB series, RB series or PF900/901
 Loader communication
Loader ports: 1 point (Front or bottom)
The front loader port only works when
instrument is ON. It is not possible to use the
loader port at the front and the one at the bottom
at the same time.
Synchronous method: Start/Stop synchronous type
Communication speed: 38400
bps
Protocol:
RKC communication (
ANSI X3.28-1976 subcategories
2.5 and A4
)
Data bit configuration:
Start bit: 1
Data bit: 8
Parity bit: Without
Stop bit: 1
Maximum connections: 1 point (Only COM-K)
Connection method: COM-K special cable
Front port: W-BV-03
Bottom port: W-BV-01
 Program control
Time accuracy:
0.01  of Reading or Input sampling cycle
(whichever is larger)
Delay for input sampling cycle at every shift of segment of
“segment time = 0.”
Number of program memories:
Number of program patterns: Up to 99 patterns
Number of segments: Up to 1024 segments
Up to 99 segments for each pattern
Time signal output:
Number of outputs: 8 points
Output assignment:
Up to 14 points (The relay outputs are 4 points.)
Select by OUT2, OUT3 or DO assignments.
 General specifications
Power supply voltage:
100 to 240 V AC type (Rating 100 to 240 V AC):
85 to 264 V AC [Including power supply voltage
variation], 50/60 Hz
Frequency variation: 50 Hz (10 to 5 ), 60 Hz
(10 to 5 )
24 V AC type (Rating 24 V AC):
20.4 to 26.4 V AC [Including power supply voltage
variation], 50/60 Hz
Frequency variation: 50 Hz (10 to 5 ), 60 Hz
(10 to 5 )
24 V DC type (Rating 24 V DC):
20.4 to 26.4 V DC [Including power supply voltage
variation]
Power consumption/Current (at maximum load):
100 to 240 V AC type:
9.5 VA max. (at 100 V AC), 13.5 VA max. (at 240 V AC)
Rush current: 7.5 A or less (at 100 V AC),
17.5 A or less (at 240 V AC)
Power saving mode:
7.1 VA [Approximately 15 % OFF] (at 100 V AC)
10.9 VA [Approximately 16 % OFF] (at 240 V AC)
Varies from condition.

RKC INSTRUMENT PF900 Specifications

General

Brand	RKC INSTRUMENT
Model	PF900
Category	Controller
Language	English