Z-Com SRZ IMS01T05-E2 User Manual

Z-com, Installation manual, Parts description

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Module Type Controller SRZ


Thank you for purchasing this RKC product. 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.

This manual describes the mounting, wiring and specifications only. For the basic operations, see
Z-COM PLC Communication Quick Instruction Manual (IMS01T14-E ), Z-COM PLC
Communication Data List (IMS01T15-E ) and Z-COM Host Communication Quick Instruction
Manual (IMS01T09-E ). For the detail handling procedures and various function settings, please
refer to separate Z-COM Instruction Manual (IMS01T07-E ).

The above manuals can be downloaded from our website:
URL: http://www.rkcinst.com/english/manual_load.htm

Accessories check

Safety precautions

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

All wiring must be in accordance with local codes and regulations.

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

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.


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.

The Z-COM module joins with functional modules (Z-TIO, Z-DIO modules) and performs PLC
communication and host communication. The combination of Z-COM module and functional module
is called an SRZ unit.

SRZ unit

Z-COM module

Power supply 24 V DC

Host communication

Host computer

Programmable controller

Z-TIO and Z-DIO modules

PLC communication


Module mainframe

DIP switch






Z-COM module (Right side view)

Indication lamp


When normal:

A green lamp is on (RUN)

[Green or Red]

Self-diagnostic error:

A green lamp flashes (FAIL)

Instrument abnormality: A red lamp is on (FAIL)



The green lamp is lit when data corresponding to communication 1

(COM. PORT1/COM. PORT2) is sent or received.



The green lamp is lit when data corresponding to communication 2

(COM. PORT3/COM. PORT4) is sent or received.

Communication port (modular connector) and Communication connector


(Communication 1)

Used to connecting the Operation panel or Host computer.

[RS-485 or RS-422A]


(Communication 1)

The COM. PORT2 is used for the extension of the SRZ unit.





(Communication 2)

Used to connecting the programmable controller (PLC), Operation

panel or Host computer.

[RS-485 or RS-422A]


(Communication 2)

The COM. PORT4 is used for the extension of the SRZ unit.







This is a connector to be connected to converter and personal

computer when loader communication is performed.


Address setting


Set unit address of SRZ unit with address setting switch.

DIP switch

• Sets communication speed, communication protocol and data bit

configuration corresponding to each of communication 1 and

communication 2.

• Sets dip switch setting validity/invalidity.



2.1 Mounting Cautions

(1) This instrument is intended to be used under the following environmental conditions.


(2) Use this instrument within the following environment conditions.

• Allowable ambient temperature:

−10 to +50 °C

• Allowable ambient humidity:

5 to 95 % RH

(Absolute humidity: MAX. W. C 29.3 g/m


dry air at 101.3 kPa)

• Installation environment conditions: Indoor use

Altitude up to 2000 m

(3) Avoid the following conditions when selecting the mounting location:

• 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.

(4) Take the following points into consideration when mounting this instrument in the panel.

• Ensure at least 50 mm space on top and bottom of the instrument for maintenance and

environmental reasons.

• Do not mount this instrument directly above equipment that generates large amount of heat

(heaters, transformers, semi-conductor functional devices, large-wattage resistors).

• If the ambient temperature rises above 50 °C, cool this instrument with a forced air fan, cooler, or

the like. However, do not allow cooled air to blow this instrument directly.

• In order to improve safety and the immunity to withstand noise, mount this instrument as far

away as possible from high voltage equipment, power lines, and rotating machinery.

High voltage equipment:

Do not mount within the same panel.

Power lines:

Separate at least 200 mm.

Rotating machinery:

Separate as far as possible.

Be sure the Z-COM module and functional modules (Z-TIO, Z-DIO) are joined when using them.



(5) This instrument is Permanently connected to equipment, please take the following points.

• A switch or circuit-breaker shall be included in the building installation.

• It shall be in close proximity to the equipment and within easy reach of the operator.

• It shall be marked as the disconnecting device for the equipment.

2.2 Joining Each Module

Before joining the Z-COM module and functional modules, use the DIP
switches to make the communication settings. For the setting procedure, see
Z-COM PLC Communication Quick Instruction Manual (IMS01T14-E ).

The maximum number of functional modules (Z-TIO-A/B, Z-DIO) described in the following can be
joined per Z-COM module. For details on joining functional modules with the Z-COM module, see

• When joining functional modules of the same type:

Up to 16 modules

• When joining functional modules of two or more different types: Up to 31 modules

(However, the maximum joinable number of functional modules of the same type is 16.)

[Example] When the Z-TIO-A/B and Z-DIO modules are joined

SRZ unit

16 Z-TIO-A/B modules

Z-COM module

Functional modules: Up to 31 modules

15 Z-DIO modules

When the number of correspondence channels is specified using the model code, only the
amount of data corresponding to the specified number of channels can be sent or received
(PLC communication only).

The number of the



Z-TIO-A/B module

Z-DIO module

64 channels

64 channels

(However, up to 16 modules)

128 channels

(Up to 16 modules)

48 channels

48 channels

(However, up to 16 modules)

96 channels

(Up to 12 modules)

32 channels

32 channels

64 channels

(Up to 8 modules)

16 channels

16 channels

32 channels

(Up to 4 modules)

2.3 Dimensions

76.9 30




(Unit: mm)

Space required between each

Depth for communication cables mount

module vertically

type module

When the module is mounted on the panel,

Space for communication cables must be

allow a minimum of 50 mm at the top and

considered when installing.

bottom of the module to attach the module
to the mainframe.


(Unit: mm)


Approx. 50

50 mm or more

Procedure for mounting or removing

The procedure for mounting or removing the Z-COM module is the same as that of the function
module (Z-TIO or Z-DIO). Both DIN rail mounting and screw mounting are available.
For details on module mounting or removing, see the Z-TIO INSTRUCTION MANUAL
(IMS01T01-E )


3.1 Wiring Cautions

• To avoid noise induction, keep communication signal wire away from instrument power line, load

lines and power lines of other electric equipment.

• If there is electrical noise in the vicinity of the instrument that could affect operation, use a noise filter.

− Shorten the distance between the twisted power supply wire pitches to achieve the most

effective noise reduction.

− Always install the noise filter on a grounded panel. Minimize the wiring distance between the

noise filter output and the instrument power supply terminals to achieve the most effective

noise reduction.

− Do not connect fuses or switches to the noise filter output wiring as this will reduce the

effectiveness of the noise filter.

• Power supply wiring must be twisted and have a low voltage drop.

• For an instrument with 24 V power supply, supply power from a SELV circuit.

• A suitable power supply should be considered in the end-use equipment.

The power supply must be in compliance with a limited-energy circuits (maximum available

current of 8 A).

• Supply the power to only one of the joined modules. When power is supplied to any one of the

joined modules, all of the joined modules will receive power.

• Select the power capacity which is appropriate for the total power consumption of all joined

modules and the initial current surge when the power is turned on.

Power consumption (at maximum load):

30 mA max. (at 24 V DC)

Rush current: 10 A or less

• When connecting the wiring to the power supply terminals on the base, use the specified

solderless terminals. Only these specified solderless terminals can be used due to the insulation

between the terminals.
Screw Size: M3

× 7 (with 5.8 × 5.8 square washer)

Recommended tightening torque: 0.4 N・m (4 kgf・cm)

Applicable wire: Solid/twisted wire of 0.25 to 1.65 mm


Specified solderless terminal:

Manufactured by


Circular terminal with isolation



(M3 screw, width 5.5 mm, hole diameter 3.2 mm)

3.2 Terminal Configuration


3 4 5



Supply the power to only one of the
joined modules.
When power is supplied to any one of the
joined modules, all of the joined modules
will receive power.

Terminals 3, 4 and 5 (Usage is prohibited.)



24 V DC


Power supply


Z-COM Installation Manual (This manual) ........................................................................ 1
Z-COM PLC Communication Quick Instruction Manual (IMS01T14-E )....................... 1
Z-COM PLC Communication Data List (IMS01T15-E )................................................. 1
Z-COM Host Communication Quick Instruction Manual (IMS01T09-E ) ...................... 1
Joint connector cover (KSRZ-517A).................................................................................. 2

Power terminal cover (KSRZ-518A).................................................................................. 1

All Rights Reserved, Copyright




Extension Module

1 2

3 4 5

Joint connector
Used to mechanically and

electrically connect

each module.

Power supply terminals
These are terminals to supply

power to the Z-COM module

or joined function modules.

Terminal 3, 4 and 5
These terminals cannot be

used for the Z-COM module.

(Usage is prohibited.)

Mounting holes (M3 screw)
Holes for screws to fix the base

to a panel, etc.

Customer must provide the M3


Mounting bracket
Used to fix the module on

DIN rails and also to fix

each module joined together.

To prevent electric shock or instrument failure, always turn off the
power before mounting or removing the instrument.



To prevent electric shock or instrument failure, do not turn on the
power until all the wiring is completed.



An external protection device must be installed if failure of this instrument

could result in damage to the instrument, equipment or injury to personnel.

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.





5.5 MAX


3.2 MIN

9.0 mm

5.6 mm



Loader communication




Indication lamp (RX1/TX1)

Indication lamp (RX2/TX2)

Communication 1

Indication lamp (FAIL/RUN)

Address setting switch



Communication 2

Communication port

Communication port