The MELSEC and Control & Communication Link system are products manufactured by Mitsubishi
Electric Co., Ltd.
Company names and product names used in this manual are the trademarks or registered trademarks of
the respective companies.
.
All Rights Reserved, Copyright 1998, RKC INSTRUMENT INC.
t
Thank you for purchasing the RKC instrument. In order to achieve maximum performance and ensure
proper operation of your new instrument, carefully read all the instructions in this manual. Please
place this manual in a convenient location for easy reference.
SYMBOLS
WARNING
CAUTION
!
An external protection device must be installed if failure of this instrument
could result in damage to the instrument, equipment or injury to personnel.
: This mark indicates precautions that must be taken if there is danger of electric
shock, fire, etc., which could result in loss of life or injury.
: This mark indicates that if these precautions and operating procedures are no
taken, damage to the instrument may result.
: This mark indicates that all precautions should be taken for safe usage.
: This mark indicates important information on installation, handling and operating
procedures.
: This mark indicates supplemental information on installation, handling and
operating procedures.
: This mark indicates where additional information may be located.
WARNING
!
All wiring must be completed before power is turned on to prevent electric
shock, fire or damage to instrument and equipment.
This instrument must be used in accordance with the specifications to
prevent fire or damage to instrument and equipment.
This instrument is not intended for use in locations subject to flammable or
explosive gases.
Do not touch high-voltage connections such as power supply terminals, etc.
to avoid electric shock.
RKC is not responsible if this instrument is repaired, modified or
disassembled by other than factory-approved personnel. Malfunction can
occur and warranty is void under these conditions.
IMSRM52-E4
i-1
CAUTION
This is a Class A instrument. In a domestic environment, this instrument may cause radio
interference, in which case the user may be required to take adequate measures.
This instrument is protected from electric shock by reinforced insulation. Provide reinforced
insulation between the wire for the input signal and the wires for instrument power supply,
source of power and loads.
Be sure to provide an appropriate surge control circuit respectively for the following:
- If input/output or signal lines within the building are longer than 30 meters.
- If input/output or signal lines leave the building, regardless the length.
This instrument is designed for installation in an enclosed instrumentation panel. All
high-voltage connections such as power supply terminals must be enclosed in the
instrumentation panel to avoid electric shock by operating personnel.
All precautions described in this manual should be taken to avoid damage to the instrument or
equipment.
All wiring must be in accordance with local codes and regulations.
All wiring must be completed before power is turned on to prevent electric shock, instrument
failure, or incorrect action.
The power must be turned off before repairing work for input break and output failure including
replacement of sensor, contactor or SSR, and all wiring must be completed before power is
turned on again.
To prevent instrument damage or failure, protect the power line and the input/output lines from
high currents with a protection device such as fuse, circuit breaker, etc.
Prevent metal fragments or lead wire scraps from falling inside instrument case to avoid
electric shock, fire or malfunction.
Tighten each terminal screw to the specified torque found in the manual to avoid electric shock,
fire or malfunction.
For proper operation of this instrument, provide adequate ventilation for heat dispensation.
Do not connect wires to unused terminals as this will interfere with proper operation of the
instrument.
Turn off the power supply before cleaning the instrument.
Do not use a volatile solvent such as paint thinner to clean the instrument. Deformation or
discoloration will occur. Use a soft, dry cloth to remove stains from the instrument.
To avoid damage to instrument display, do not rub with an abrasive material or push front
panel with a hard object.
Do not connect modular connectors to telephone line.
NOTICE
This manual assumes that the reader has a fundamental knowledge of the principles of electricity,
process control, computer technology and communications.
The figures, diagrams and numeric values used in this manual are only for purpose of illustration.
RKC is not responsible for any damage or injury that is caused as a result of using this instrument,
instrument failure or indirect damage.
RKC is not responsible for any damage and/or injury resulting from the use of instruments made by
imitating this instrument.
Periodic maintenance is required for safe and proper operation of this instrument. Some components
have a limited service life, or characteristics that change over time.
Every effort has been made to ensure accuracy of all information contained herein. RKC makes no
warranty expressed or implied, with respect to the accuracy of the information. The information in this
manual is subject to change without prior notice.
No portion of this document may be reprinted, modified, copied, transmitted, digitized, stored,
processed or retrieved through any mechanical, electronic, optical or other means without prior written
approval from RKC.
6.5 Flag Operation...............................................................................................51
Page
7. EXAMPLES OF SEQUENCE PROGRAMS ....................... 54
7.1 List of Internal Relays (M) and Data Registers (D) ........................................ 55
7.2 Example of Initialize Sequence Program....................................................... 60
7.3 Example of Data Fetch Sequence Program ..................................................61
7.4 Example of Set Data Change Sequence Program ........................................62
8. HOST COMMUNICATION .................................................. 63
i-4
IMSRM52-E4
1. OUTLINE
1.1 Product Outline
The control unit for the SR Mini HG SYSTEM can easily configure a temperature control/monitoring
system on Control & Communication Link by connecting it with Control & Communication Link.
In addition, the control unit for the SR Mini HG SYSTEM correspond to Control & Communication Link Ver. 1.10.
Control & Communication Link: Mitsubishi Electric field network
Power supply/CPU module,
H-PCP-G
Up to 8 temperature control
function modules can be
connected.
RS-232C or
RS-422A
(RKC standard
protocol)
SR Mini HG SYSTEM control unit
(Remote device station)
The control unit for the SR Mini HG SYSTEM consists of the dedicated power supply/CPU module
(H-PCP-G), the Link module (H-LNK-A) and temperature control function modules.
This manual describes the specifications, mounting and wiring of the power supply/CPU module
(H-PCP-G) and the Link module (H-LNK-A) and also data on the SR Mini HG SYSTEM processed
by the Control & Communication Link system.
Link module,
H-LNK-A
Connected to
Control &
Communication
Link
IMSRM52-E4 1
1. OUTLINE
1.2 Handling Procedure
Proceed with the work according to the following procedure.
Confirmation of the products
Confirmation of the model code
Mounting and Wiring
Station No. and transmission
speed settings
Programming
Turn on the power
When conducting the mounting and wiring, station No. and transmission speed settings
and programming, always read and follow the manual for Mitsubishi's PLC described
in the following:
User's manual for Control & Communication Link system master/local unit,
Mitsubishi Electric Co., Ltd.
Operations
See 1.3 Checking the Products (P. 3).
See 1.4 Confirmation of the Model Code (P. 4).
See 3. MOUNTING (P. 15).
See 4. WIRING (P. 23).
See 5.1 Station No. Setting (P. 28).
See 5.2 Transmission Speed Setting (P. 29).
See 7. EXAMPLE OF SEQUENCE PROGRAMS (P. 54).
See 5.4 When the Power is Turned on for the First
Time (P. 31).
2
IMSRM52-E4
1. OUTLINE
1.3 Checking the Products
When unpacking your new instrument, please confirm that the following products are included. If any
of the products are missing, damaged, or if your manual is incomplete, please contact RKC sales office
or agent for replacement.
The model code for the instrument you received is listed below. Please confirm that you have received
the correct instrument by checking the model code label, located on the left side of the module, with
this list. If the product you received is not the one ordered, please contact RKC sales office or agent
for replacement.
The Model code label is attached to the left side of the module.
H-PCP-G module (Power supply/CPU module)
H-PCP- G - 3 N - ∗
(1) Type
G: Type dedicated to Control & Communication
Link (DO: 4 points)
(2) Power supply voltage
3: 24 V DC
(3) Communication interface
1: RS-232C
4: RS-422A
(4) External connector
N: No function
Alarm Code Table
A: Deviation High B: Deviation Low
C: Deviation High and Low D: Deviation Band
E: Deviation High (with alarm hold) F: Deviation Low (with alarm hold)
G: Deviation High and Low (with alarm hold) H: Process High
J: Process Low K: Process High (with alarm hold)
L: Process Low (with alarm hold)
A special alarm function
Q: Deviation High (with alarm re-hold) R: Deviation Low (with alarm re-hold)
T: Deviation High and Low (with alarm re-hold)
The selected function will be common for all the modules with alarm functions in the control unit.
(1) (2) (3) (4) (5) (6) (7)
(5) DO signal
M: Relay contact output
D: Open collector output
(6) First alarm function
N: No alarm function
: See Alarm Code Table
(7) Second alarm function
N: No alarm function
: See Alarm Code Table
H-LNK-A module (Link module)
H-LNK- A
(1)
(1) Type
A: Control & Communication Link connection function type
4
IMSRM52-E4
1. OUTLINE
A
A
1.5 System Configuration
If the SR Mini HG SYSTEM control unit is connected to Control & Communication Link via the
H-LNK-A module (Link module), data on the SR Mini HG SYSTEM can be processed by the
programmable controller (Mitsubishi MELSEC: hereinafter, PLC). In addition, the SR Mini HG
SYSTEM control unit is connected to Control & Communication Link as a remote device station.
Operation panel, OPC-H
Both PLC and SR Mini HG
SYSTEM can be set and
monitored.
Host
computer
RS-232C/RS-422
A (RKC standard
protocol)
The SR Mini HG
SYSTEM can be set
and monitored.
RS-422A
(RKC standard
protocol)
RS-422A
(RKC standard
protocol)
When the host computer is connected:
Up to 16 units (Only when RS-422A is
RS-232C/
RS-422A
(dedicate
d
Mitsubishi PLC
Function modules,
H-PCP-G
SR Mini HG SYSTEM control unit
SR Mini HG SYSTEM control unit
Up to 8 modules
Function modules,
Up to 8 modules
Master station
Control &
Communication
Link
H-LNK-
H-LNK-
Up to 64 stations (Up to 16 units)
H-PCP-G
When only the SR Mini HG SYSTEM control units are connected to Control &
Communication Link: Up to 16 units.
IMSRM52-E4
5
1. OUTLINE
Usable modules
The following function modules can be used with Control & Communication Link in combination
with the H-PCP-G and H-LNK-A modules.
Temperature control module
H-TIO-A ··············· 1 channel type, Temperature input
H-TIO-B ··············· 2 channels type, Temperature input
H-TIO-C ··············· 1 channel heat/cool type, Temperature input
H-TIO-D ··············· 2 channels heat/cool type, Temperature input
H-TIO-E ··············· 1 channel type, High accuracy temperature input
H-TIO-F ··············· 2 channels type, High accuracy temperature input
H-TIO-G··············· 1 channel heat/cool type, High accuracy temperature input
H-TIO-H ··············· 1 channel type, Continuous voltage/current input
H-TIO-J ·············· 2 channels type, Continuous voltage/current input
H-TIO-R ··············· 1 channel type with fuzzy function, Temperature input
H-TIO-P ··············· 2 channels type with fuzzy function, Temperature input
The current transformer (CT) input function built in the temperature control modules
(H-TIO-A/C/D) cannot be used.
Current transformer input module
H-CT-A ·················· CT input 6 points type (Each 2 points together are common)
For details of the temperature control modules and current transformer modules, see the
separate Hardware Quick Manual (IMS01V01-E).
Maximum No. of channels, modules or units when connected to Control &
Communication Link
Maximum number of control channels that can be connected to one control unit:
16 channels/control unit
256 channels/system (Only when the SR Mini HG SYSTEM is connected)
No. of function modules which can be connected to one control unit:
8 modules (excluding the H-PCP-G and H-LNK-A modules)/control unit
The maximum number of channels cannot be selected for the temperature control,
temperature input or current transformer input modules as the number of function
modules per control unit is limited to 10.
No. of control units which can be connected to Control & Communication Link:
16 units/system (Only when the SR Mini HG SYSTEM is connected)
6
IMSRM52-E4
1.6 Parts Description
1.6.1 H-PCP-G module
1. OUTLINE
(1)
(2)
(3)
(4)
(5)
(6)
(9)
(7)
(10)
(8)
Front
Side
No. Name Description
(1) Unit address No. setting switch
Switch to set control unite address No.
Setting range: 0 to 15 (0 to F, hexadecimal)
(2) Data correctly received indicator
lamp (RX), Yellow LED
(3) Data correctly sent indicator
lamp (TX), Yellow LED
(4) Failure indicator lamp (FAIL),
Red LED
(5) Operation indicator lamp (RUN),
Green LED
(6) Modular connector 1
(7) Modular connector 2
(8) Terminals
(9) Mother block
(10) Module connection connector
Turned on: During data receive
Turned on: During data send
Turned off: When the module is normal
Turned on: When the module is abnormal
Flashing: The module operates normally.
Connector for connection with the host computer
Conforming to RS-232C or RS-422A
Extended link connector
Conforming to RS-422A
Power supply/ground/FAIL output/digital output
terminals
Module connection base block
Power supply and internal bus connection connector
IMSRM52-E4
7
1. OUTLINE
1.6.2 H-LNK-A module
(1) (2)
(7)
(3)
(4)
(5)
(6)
Front
(View with the mother block removed)
Rear
Side
No. Name Description
(1) Data correctly received indicator
Turned on: During data receive
lamp (RX), Yellow LED
(2) Data correctly sent indicator
Turned on: During data send
lamp (TX), Yellow LED
(3) Failure indicator lamp (FAIL),
Red LED
Turned off: When the module is normal
Turned on: When the module is abnormal
Flashing 2: Transmission speed setting or station
setting error now occurs.
At intervals of 0.5 sec (OFF for 0.25
sec/ON for 0.25 sec)
(4) Operation indicator lamp (RUN),
Green LED
Turned on: H-LNK-A module is not identified by
H-PCP-G module or H-LNK-A module
is being initialized.
Flashing 1: The module operates normally.
At intervals of 1 sec (OFF for 0.5 sec/ON
for 0.5 sec)
Flashing 2: − The transmission speed setting or
station No. setting switch was
changed during operation.
− CRC error now occurs.
At intervals of 0.5 sec (OFF for 0.25
sec/ON for 0.25 sec)
Continued on the next page.
(8)
(9)
8
IMSRM52-E4
Continued from the previous page.
No. Name Description
1. OUTLINE
(5) Station No. setting switch
(STATION No.)
× 10: For tens digit setting
× 1: For unit digit setting
(6) Communication terminals
(7) Transmission speed setting
switch
(8) Mother block
(9) Module connection connector
Switch to set control unit station No.
Setting range: 1 to 61
Control & Communication Link connection
terminals
Switch to set the transmission speed of the control
unit and Control & Communication Link master
station
Setting range: 0 to 4
Power supply and internal bus connection connector
IMSRM52-E4
9
2. SPECIFICATIONS
2.1 H-PCP-G Module
(1) Basic functions
Item Specifications
Data supervision function
Unit diagnosis function
Self-diagnostic function
Memory backup function
Control & Communication
Link connectable modules
Operation after power on
Operating data/system data
Function modules configuration check
Check item ROM/RAM check
Watchdog timer
CPU power supply monitoring
Operation at error
occurrence in
All module outputs are set to the off state
hardware wise.
self-diagnosis
RAM is backed up by lithium battery.
Data retaining time: Approx. 10 years
(Time integrated during power off)
H-TIO-A/B/C/D/E/F/G/H/J/P/R
H-CT-A
H-LNK-A
Number of temperature control channels:
Up to 16 channels/control unit
Number of connectable modules: 8 modules/control unit
(Excluding H-LNK-A)
Start-up from control STOP condition (Factory set value)
Can be changed by the host computer communication setting
(Initialize setting).
(2) Power input
Item Specifications
Power supply voltage
Range of power supply
Rating: 24 V DC
21.6 to 26.4 V DC
voltage
Power consumption
Surge current
20 W max.
30 A or less
(3) Power output (Function module power)
Item Specifications
Output voltage/current
5 V DC, 1.6 A max.
12 V DC, 1.0 A max.
Overcurrent protection
Fold-back limiting method: 5V
10 IMSRM52-E4
(4) Output
FAIL output
Digital output
2. SPECIFICATIONS
Item Specifications
Relay contact output
Number of output points: 1 point
Rating: 250 V AC, 0.1 A (Resistive load)
Electrical life: 300,000 time or more (Rated load)
Contact type: 1a contact
Failure action: Open at error occurrence
Relay contact output
Number of output points: 4 point
Rating: 250 V AC, 1 A (Resistive load)
Electrical life: 300,000 time or more (Rated load)
Contact type: 1a contact
Open collector output
Number of output points: 4 points
Rating: 12 to 24 V DC
Maximum load current: 0.1 A/point, 0.8 A/common
Specify either relay contact output or open-collector output when
ordering.
Digital output can be selected from among the following outputs.
− Temperature alarm (First alarm, Second alarm)
− Heater break alarm (HBA)
− Burnout alarm
− Loop break alarm (LBA)
− Temp. rise completion
(5) Interface (RKC standard communication)
Item Specifications
Communication interface
Based on RS-422A, EIA standard
Based on RS-232C, EIA standard
Specify when ordering
2400 bps,4800 bps,9600 bps,19200 bps
Any can be selected.
Data bit configuration
Start bit: 1
Data bit: 7 or 8
Parity bit: Without, Odd or Even (For 8 data bits: Without)
Stop bit: 1
Error control
Vertical parity (When parity bit is selected)
Horizontal parity
Data types
ASCII code
IMSRM52-E4
11
2. SPECIFICATIONS
(6) System setting items
Item Specifications
Temperature alarm
Temperature rise
completion function
First alarm and Second alarm
− Deviation high alarm
− Deviation low alarm
− Deviation high/low alarm
− Band alarm
− Deviation high alarm with hold action
− Deviation low alarm with hold action
− Deviation high/low alarm with hold action
− Process high alarm
− Process low alarm
− Process high alarm with hold action
− Process low alarm with hold action
− Deviation high alarm with re-hold action
− Deviation low alarm with re-hold action
− Deviation high/low alarm with re-hold action
Specify either the 1st alarm or 2nd alarm function when ordering.
The specified function is common to all of the modules with the
alarm function within the control unit.
Completion trigger range: ±1 to ±10 °C (20 °F)
(Value from main set value)
Temperature rise completion soak time: 0 to 360 minute
Temperature rise completion trigger function can be selected for
each channel.
(7) LED display
Item Specifications
RUN lamp
FAIL lamp
TX lamp
RX lamp
(8) General specifications
Item Specifications
Dimensions
Weight
Green LED
Flashing: The module operates normally.
Red LED
Turned off: When the module is normal
Turned on: When the module is abnormal
Set by the rotary switch at the rear of the module.
The maximum transmission distance differs depending on the
transmission speed.
156 Kbps: 1200 m
625 Kbps: 900 m
2.5 Mbps: 400 m
5 Mbps: 160 m
10 Mbps: 100 m
0.2 m or more
1 to 61 (Setting other than this setting causes error.)
Set by the rotary switch at the front of the module.
RUN lamp
Green LED
Turned on: H-LNK-A module is not identified by
H-PCP-G module or H-LNK-A
module is being initialized.
Flashing 1: The module operates normally.
At intervals of 1 sec (OFF for 0.5
sec/ON for 0.5 sec)
Flashing 2: − The transmission speed setting or
station No. setting switch was
changed during operation.
− CRC error now occurs.
At intervals of 0.5 sec (OFF for 0.25
sec/ON for 0.25 sec)
LED display
FAIL lamp Red LED
Turned off: When the module is normal
Turned on: When the module is abnormal
Flashing 2: Transmission speed setting or station
TX lamp Yellow LED
Turned on: During data send
RX lamp Yellow LED
Turned on: During data receive
IMSRM52-E4
setting error now occurs.
At intervals of 0.5 sec (OFF for 0.25
sec/ON for 0.25 sec)
Continued on the next page.
13
2. SPECIFICATIONS
Continued from the previous page.
Item Specifications
Communication items
Communication items
No. of remote register
channels
Current consumption
Dimensions
Weight
Remote relay
− First alarm status
− Second alarm status
− Burnout alarm status
− Heater break alarm (HBA) status
− PID/AT transfer status
− Control RUN/STOP transfer
Remote registers (Read only)
− Temperature measured value (PV)
− Manipulated output (Heat-side)
− Manipulated output (Cool-side)
− CT input measured value
− Control RUN/STOP status
− Decimal-point position
− Set value monitoring
− Control loop break alarm (LBA) status
− Error code
Remote registers (Common to read and write)
− Temperature set value (SV)
− PID/AT transfer
− Proportional band (Heat-side)
− Proportional band (Cool-side)
− Integral Time
− Derivative Time
− Control response designation parameters
− PV bias
Remote registers (Common to read and write)
− First alarm set value
− Second alarm set value
− Proportioning cycle time (Heat-side)
− Proportioning cycle time (Cool-side)
− Overlap/Deadband
− Heater break alarm (HBA) set value
− Operation mode setting
− Memory area number
− Auto/Manual transfer
− Manual output value
− Loop break alarm (LBA) use selection
− LBA time setting
− LBA Deadband
0: 16 channels
1: 8 channels
Factory set value: 0
Can be changed by the host computer communication setting.
290 mA DC
24(W) × 96(H)× 100(D) mm
200 g
14
IMSRM52-E4
3. MOUNTING
This Chapter describes the mounting procedures for the H-PCP-G and H-LNK-A modules. For details
of the mounting procedures for other modules and the mounting position of the control unit, see the
Hardware Quick manual (IMS01V01-E).
To prevent electric shock or instrument failure, always turn off the power before
mounting or removing the instrument.
Mount the H-PCP-G module on the left side of the control unit.
In order to facilitate the wiring and connection of the H-LNK-A module, the module
should be mounted on the right side of the control unit.
WARNING
!
3.1 Mounting Environment
(1) This instrument is intended to be used under the following environmental conditions. (IEC61010-1)
[OVERVOLTAGE CATEGORY II, POLLUTION DEGREE 2]
(2) Avoid the following conditions when selecting the mounting location:
• Ambient temperature less than 0 °C or more than 50 °C.
• Ambient humidity of less than 45 % or more than 85 % RH.
(Absolute humidity: MAX. W. C 29 g/m
• Rapid changes in ambient temperature which may cause condensation.
• Corrosive or inflammable gases.
• Direct vibration or shock to the mainframe.
• Water, oil, chemicals, vapor or steam splashes.
• Excessive dust, salt or iron particles.
• Excessive induction noise, static electricity, magnetic fields or noise.
• Direct air flow from an air conditioner.
• Exposure to direct sunlight.
• Excessive heat accumulation.
3
dry air at 101.3 kPa)
IMSRM52-E4 15
3. MOUNTING
3.2 Dimensions
External Dimensions
(Unit: mm)
4
48
* Dotted-line section:
Terminal cover
96
3.5
47.5
*
100
102
(With the terminal cover fixed
to the module)
H-PCP-G module
(Unit: mm)
16
9
24
96
3.5
23.5
100
H-LNK-A module
IMSRM52-E4
3. MOUNTING
Module mounting depth
The mounting depth of each module is 108 mm from the mounting surface inside the panel to the
module front with the module mounted on the DIN rails. However, when a connection cable (modular
connector) is connected, additional depth is required.
Approx.
50
108
(Unit: mm)
DIN rail
IMSRM52-E4
17
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