iSMA iSMA-B-4I4O-H, iSMA-B-8I, iSMA-B-8U-IP, iSMA-B-4I4O-H-IP, iSMA-B-8I-IP User Manual

MINI and MIX Series
I/O modules

User Manual

Modbus

Global Control 5 Sp. z o.o.

Warsaw, Poland

www.gc5.pl

Table of contents

1 Introduction ................................................................................................................................................ 5

1.1 Revision history .................................................................................................................................................... 5

1.2 Safety rules............................................................................................................................................................ 6

1.3 .Technical specifications .................................................................................................................................... 7

1.4 Summary table for all modules ......................................................................................................................... 9

1.5 Dimension ........................................................................................................................................................... 11

1.6 Power supply connection ................................................................................................................................ 12

DC power connection.....................................................................................................................................................12

AC power connection .....................................................................................................................................................12

1.7 Connecting the communication bus (RS485) ............................................................................................. 12

1.8 LED Indicators ................................................................................................................................................... 13

1.9 Grounding and shielding .................................................................................................................................. 14

1.10 RS485 network termination ............................................................................................................................ 14

1.11 Setting Module Address on Modbus Network ............................................................................................ 15

1.12 Baud rate selection ........................................................................................................................................... 15

1.13 Protocol selection ............................................................................................................................................. 16

1.14 Restoring the default settings ........................................................................................................................ 16

1.15 Default Settings ................................................................................................................................................. 17

2 Configuration registers ........................................................................................................................... 18

2.1 Firmware version and module type (30001) ............................................................................................... 18

2.2 Module address (30002) ................................................................................................................................. 18

2.3 Baud rate and protocol (30003) ..................................................................................................................... 19

2.4 Counter of received messages (30004) ....................................................................................................... 19

2.5 Counter of error messages (30006) .............................................................................................................. 19

2.6 Counter of sent messages (30008) .............................................................................................................. 19

2.7 Up time (30012) ................................................................................................................................................ 19

2.8 Hardware_version (30130) .............................................................................................................................. 20

2.9 MAC_address (30131) ..................................................................................................................................... 20

2.10 Device actions (40001) .................................................................................................................................... 20

2.11 Baud rate (40136) ............................................................................................................................................. 20

2.12 Stop bits (40137)............................................................................................................................................... 20

2.13 Data bits (40138) .............................................................................................................................................. 21

2.14 Parity bit (40139) ............................................................................................................................................... 21

2.15 Response delay time (40140) ......................................................................................................................... 21

2.16 Watchdog time (40141) ................................................................................................................................... 21

3 Local I/O ................................................................................................................................................... 23

3.1 Universal Inputs connections ......................................................................................................................... 23

Connection of Universal Input to measure voltage 0 – 10V ..................................................................................23

Connection of Universal Input to measure current 0 – 20 mA .............................................................................23

Connection of Universal Input to measure temperature ........................................................................................24

Connection of Universal Input as a Digital Input (Dry Contact) .............................................................................24

3.2 Universal Inputs MODBUS Registers ............................................................................................................ 25

Status of Universal Inputs working as Digital Inputs (30017) ...............................................................................25

Universal Input measure voltage (current) 1 - 8 (30071, 30073, 30075, 30077, 30079, 30087, 30089, 30091)

25

Universal Input measure temperature 1 - 8 (30072, 30074, 30076, 30078, 30080, 30095, 30097, 30099) 25

Universal Input measure resistance 1 - 8 (30103, 30104 – 30117, 30118) .......................................................25

Universal Input configuration 1 - 8 (40151 – 40158) ..............................................................................................25

Filter time constant of the Universal Input 1 - 8 (40159 – 40166) .......................................................................26

Resolution of the universal inputs (40167) ...............................................................................................................26

3.3 Digital Inputs Connections .............................................................................................................................. 27

Connection of Digital Input (Dry Contact) ..................................................................................................................27

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3.4 Digital Inputs MODBUS Registers .................................................................................................................. 27

State of Digital Inputs (30016) .....................................................................................................................................27

Counter 1 – 12 (40023, 40024 – 40045, 40046) .....................................................................................................27

Resetting counters (40022)..........................................................................................................................................28

3.5 Analog Outputs Connections .......................................................................................................................... 28

Connection of Analog Output 0 – 10 V ......................................................................................................................28

Connecting relay to Analog Output .............................................................................................................................28

Connection an actuator to Analog Output .................................................................................................................29

3.6 Analog Outputs MODBUS Registers ............................................................................................................. 29

State of Analog Outputs working as Digital Outputs (40019) ...............................................................................29

Value of the analog outputs 1 – 6 (40121 – 40126) ..............................................................................................29

Default state of the analog outputs (digital) (40144) ..............................................................................................29

Default state of the Analog Output 1 – 6 (40145 – 40150) .................................................................................. 30

Configuration mode of Analog Output 1 – 6 (40168 – 40173) ............................................................................ 30

Hand control status of analog outputs (30015) ...................................................................................................... 30

Hand control value of Analog Outputs 1 – 4 (30125 - 20128)...............................................................................31

3.7 Digital Outputs (relays) Connections ............................................................................................................ 32

Connecting the solenoid valve to the Digital Output ...............................................................................................32

Connecting a resistive load to the Digital Output .....................................................................................................32

Connecting a inductive load to the Digital Output ...................................................................................................32

3.8 Digital Outputs (relays) MODBUS Registers ................................................................................................ 33

State of Digital Outputs (40018) ..................................................................................................................................33

Default state of Digital Outputs (40143) ....................................................................................................................33

Hand control status of Digital Outputs (30015) .......................................................................................................33

3.9 Triac Outputs Connections ............................................................................................................................. 34

Connecting the solenoid valve to the Triac Output ..................................................................................................34

Connecting a resistive load to the Triac Output .......................................................................................................34

3.10 Triac Outputs MODBUS Registers ................................................................................................................. 35

State of Triac Outputs (40018) ....................................................................................................................................35

Default state of triac outputs (40143) ........................................................................................................................35

Value of the Triac PWM outputs 1 – 4 (40121 – 40124) ......................................................................................35

Default state of the Triac PWM outputs 1 – 4 (40145 – 40148) ..........................................................................35

Configuration mode of Triac Output 1 – 4 (40168 – 40171).................................................................................35

Hand control status of Triac Outputs (30015) ..........................................................................................................36

3.11 Special application modes for 4I4O-H, 4I4O-H-IP, 4U4O-H and 4U4O-H-IP ........................................... 37

Operation Mode registers (40176,40180,40184,40188) .........................................................................................38

Time Value registers (40177,40181,40185,40189) ..................................................................................................41

Command register (40020) ..........................................................................................................................................42

Block Inputs register (40021) .......................................................................................................................................42

Setpoint registers (40178,40182,40186,40190) .......................................................................................................42

Differential registers (40179,40183,40187,40191) ..................................................................................................42

4 WEB Configuration- only IP version ...................................................................................................... 43

4.1 Web server access ............................................................................................................................................ 43

4.2 Device page ........................................................................................................................................................ 43

4.3 Local I/O status and configuration ................................................................................................................ 44

Universal Inputs ..............................................................................................................................................................44

Special application modes configuration ..................................................................................................................45

Digital Inputs ....................................................................................................................................................................46

Digital Outputs.................................................................................................................................................................46

Analog Outputs ...............................................................................................................................................................47

4.4 RS485 Configuration ........................................................................................................................................ 48

4.5 IP Configuration................................................................................................................................................. 49

4.6 Device management ........................................................................................................................................ 50

4.7 Contact ................................................................................................................................................................ 50

5 Modbus TCP/IP modules ....................................................................................................................... 51

5.1 Modbus TCP/IP ................................................................................................................................................. 51

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5.2 Module as Modbus TCP/IP Gateway to RS485 .......................................................................................... 51

6 List of all Modbus Registers .................................................................................................................. 53

7 List of supported temperature sensors ................................................................................................ 62

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1 Introduction

1.1 Revision history

Rev

Date

Description

1.0 2015.08.28

First edition

1.1 2016.02.01

The reason for the creation of new version of the document:

• At 12.2015 GC5 released a new hardware version for MIX module with more

powerful processor and USB port. For this hardware and for all MINI series
devices we released firmware 4.0 which contains bug fix, firmware
improvement and also rebuilt BACnet protocol (new object, COV).

• All modules purchased as of 2016 have improved versions of the relays, which

allow to increase the capacitive load. Details of the technical specifications.

• Note: This document was created for devices with firmware version 4.0 and

above. For previous firmware version please read Modbus Manual version 1.0.

• Changes in Document:

• Added to the technical specifications information about the capacitive load

relay.

• Added to the technical specifications information about load Triac Outputs.

• Added description of the new MINI module 4x Triac Outputs: 4TO-H and 4TO-H-

IP.

• MINI - 4I40-H and 4I40-H-IP Module built in application: Change of logic in the

Time relay mode. Now, timer counts from falling edge (before from rising
edge).

• New gateway functionality blocking Send Modbus Error.

• Changed tables with PT1000 and NI1000 for more accurate, because new FW

measure resistance for this sensors with accuracy 0,1 Ω.

1.2

2017.01.03

The reason for the creation of new version of the document:
New functions:

• New HVAC functions Heating and Cooling in 4U4O based on output

thermostatic control with a setpoint and differential value setting;

• Added new input mode for 4I4O: Time Relay NC [ms], Time Relay NO and NC in

seconds, Input Forwarding;

• Added new input mode for 4U4O: Ordinary IO, Monostable Relay, Bistable Relay,

Time Relay NO and NC [ms], Time Relay NO and NC in seconds, Input
Forwarding, Heating, Cooling with corresponding BACnet objects and Modbus
registers;

• Added reset output to default after input mode change in 4U4O and 4I4O;

Improvements:

• Improved BACnet COV Increment can now have values with resolution 0.1;

• Added BACnet COV Increment access (read/write) through USB;

• Added power Led flashing after IO watchdog triggered;

• Changed IO watchdog reset after read/write registers through USB;

• Added immediately detecting sensors short circuit and disconnection

regardless of filter settings on universal inputs;

Fixed bugs:

• Fixed bug with Stop bits, was always 1;

1.3

2017.05.16

The reason for the creation of new version of the document:

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New functions:

• added Hardware Version information on main tab in web page and Modbus

register

• new action in the Modbus register no 0 – enter bootloader

• added RS485 biasing control for MINI modules with a hardware version >= 2.0

(option unavailable in MIX modules)

• www page: RS485 Biasing Resistors activation option (shows only in MINI

modules with a hardware >= 2.0)

Improvements:

• fixed modules names on web page (added -H for all modules with hand

operation switches)

Table 1 Revision history

1.2 Safety rules

• Note: Incorrect wiring of this product can damage it and lead to other hazards.

Make sure the product has been correctly wired before turning the power ON.

• Before wiring, or removing/mounting the product, be sure to turn the power OFF.

Failure to do so might cause an electric shock.

• Do not touch electrically charged parts such as the power terminals. Doing so might

cause an electric shock.

• Do not disassemble the product. Doing so might cause an electric shock or faulty

operation.

• Use the product within the operating ranges recommended in the specification

(temperature, humidity, voltage, shock, mounting direction, atmosphere etc.).
Failure to do so might cause a fire or faulty operation

• Firmly tighten the wires to the terminal. Insufficient tightening of the wires to the

terminal might cause a fire.

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1.3 Technical specifications

Power supply

Voltage

24 V AC/DC ± 20%

Power consumption

Module type

@ 24 VDC

@ 24 VAC

8I

0.4 W

0.6 VA

8I-IP

1.4 W

2.1 VA

8U

0.5 W

0.8 VA

8U-IP

1.5 W

2.3 VA

4I4O-H

1.2 W

1.8 VA

4I4O-H-IP

2.2 W

3.3 VA

4U4O-H

1.2 W

1.8 VA

4U4O-H-IP

2.2 W

3.3 VA

4U4A-H

2.2 W

3.3 VA

4U4A-H-IP

3.2 W

4.8 VA

4O-H

1.6 W

2.4 VA

4O-H-IP

2.6 W

3.9 VA

4TO-H

1.0 W

1.5 VA

4TO-H-IP

2.0 W

3.0 VA

MIX18

3.0 W

4.5 VA

MIX18-IP

4.4 W

6.6 VA

MIX38

5.0 W

7.5 VA

MIX38-IP

7.4 W

11.1 VA

Universal Inputs

Temperature input

• Measurement with attached RTDs

• accuracy ±0,1˚C

• For sensor Pt1000 and Ni1000 use 16-bit

resolution

Voltage input

• Voltage measurement from 0 - 10 V

• Input impedance 100 kΩ

• Measurement accuracy ±0,1%

• Measurement resolution 3 mV@12-bit and 1

mV@ 16-bit

Current input

• Current measurement 0 - 20 mA

• Required external resistor 200 Ω

• Measurement accuracy ±1,1%

• Measurement resolution 15 µA @ 12-bit and 5 µA

@ 16-bit

Resistive input

• Measurement of resistance from 0 to 1000 kΩ

• Measurement resolution for 20 kΩ load 20 Ω@12-

bit and 1 Ω@16-bit

• Measurement resolution for PT1000 and NI1000

0,1Ω@16bit

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Resistance measurement method

The voltage divider

Dry contact input

Output current ~1 mA

Measurement resolution

12-bits (default) or 16-bits

Processing time

• 10 ms/channel at 12-bits

• 140 ms/channel at 16-bits

Digital Inputs

Type

Dry contact

Max input frequency

100 Hz

Analog Outputs

Voltage range

0 to 10 V

Max. load current

20 mA

Resolution

12-bits

Accuracy

±0.5%

Digital Outputs

(relays)

Contact material

AgSnO2

Resistive load AC1

3 A @ 230 VAC or 3 A @ 30 VDC

Inductive load AC3

75 VA @ 230 VAC or 30 W @ 30 VDC

Capacitive load

• 50 W @ LED + PS 230 VAC

• 100 W @ fluorescent lamps with electronic

ballast

• 75 W @ CFL Compact fluorescent lamp

Digital Outputs

(relays)

4O-H and 4O-H-IP

Contact material

AgSnO2

Resistive load AC1

8 A @ 230 VAC or 8 A @ 30 VDC

Inductive load AC3

360 VA@ 230 VAC or 90 W @ 30 VDC

Capacitive load

• 120 W @ LED + PS 230 VAC

• 240 W @ fluorescent lamps with electronic

ballast

• 180 W @ CFL Compact fluorescent lamp

Triac Outputs

Continuous load per channel

0,5 A @ 20 VAC up to max. 250 VAC

Peak load per channel

1,5 A @ 20 VAC up to max. 250 VAC (30 s)

Gate Control

Zero crossing turn ON

Frequency Range

47 to 63 Hz

Snubber

Snubberless Triac

RS485 Interface

RS485

Up to 128 devices

Communication protocols

Modbus RTU, Modbus ASCII
or BACnet set by switch

Baud rate

From 2400 to 115200 set by switch

Address

0 to 99 set by switch

Ethernet

MIX18-IP, MIX38-IP

2x Fast Ethernet

Switch mode

Baud rate

10/100 Mb/s

8I-IP, 8U-IP, 4I4O-H-IP, 4U4O-H-IP, 4U4A-H-IP, 4O-H-IP, TO-H-IP

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1x Fast Ethernet

IP Interface

Baud rate

10/100 Mb/s

USB

USB

Mini USB 2.0

Ingress protection

IP

IP40

Temperature

Storage

-40˚C to +85˚C

Operating

-10˚C to +50˚C

Humidity

Relative

5% to 95%

Connectors

Type

Removable

Maximum cable size

2.5 mm2

Dimension

MIX18, MIX18-IP

Width

110 mm

Length

88 mm

Height

62 mm

MIX38, MIX38-IP

Width

110 mm

Length

160 mm

Height

62 mm

MINI Series

Width

110 mm

Length

37 mm

Height

62 mm

Table 2 Technical specification

1.4 Summary table for all modules

Module

type

UI

DI

AO

DO

TO

Modbu

s

RS485

Modbus

TCP/IP

BACnet

MSTP

BA

Cn

et
IP

4I4O-H

4 4

✓ ✓

4I4O-H-IP

4 4

✓

✓ ✓

4O-H

4 (NC/NO-8A)

✓ ✓

4O-H-IP

4 (NC/NO-8A)

✓

✓ ✓

4U4A-H

4 4

✓ ✓

4U4A-H-IP

4 4

✓

✓ ✓

4U4O-H

4 4

✓ ✓

4U4O-H-IP

4 4

✓

✓ ✓

8I

8

✓ ✓

8I-IP

8

✓

✓ ✓

8U

8

✓ ✓

8U-IP

8

✓

✓ ✓

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4TO-H

4

✓

✓ ✓

4TO-H-IP

4

✓

✓ ✓

MIX18

5 5 4 4

✓ ✓

MIX18-IP

5 5 4 4

✓

✓ ✓

MIX38

8

12 6 12

✓ ✓

MIX38-IP

8

12 6 12

✓

✓ ✓

RTU

ASCII

Modbus

Gateway

IP/RS485

Master

Slave

Table 3 Summary table for all modules

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1.5 Dimension

Figure 1 MINI series dimension

Figure 2 MIX18 and MIX18-IP dimension

Figure 3 MIX38 and MIX38-IP dimension

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1.6 Power supply connection

DC power connection

Figure 4 DC power supply connection

AC power connection

Figure 5 AC power supply connection

1.7 Connecting the communication bus (RS485)

Figure 6 RS485 connection

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1.8 LED Indicators

Figure 7 Top panel MIX18-IP

Figure 8 Top panel MIX38-IP

Figure 9 Top panel 8I and 8I-IP

Figure 10 Top panel 8U and 8U-IP
Figure 11 Top panel 4I4O-H and 4I4O-H-IP

Figure 12 Top panel 4U4O-H and 4U4O-H-IP

Figure 13 Top panel 4U4A-H and 4U4A-H-IP

Figure 14 Top panel 4O-H and 4O-H-IP
Figure 15 Top panel 4TO-H and 4TO-H-IP

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• The power LED is ON (green) when the module runs properly.

• Communication LED is ON (orange) for 20 ms after sending each message.

If the module receives/sends a lot of messages LED can be lit continuously.

• LEDs indicate the status of the Universal Inputs are lit when resistance connected to

the input is less than 5 kΩ (Dry Contact input is active).

WARNING! The LED also lights up when voltage connected to the input has a very low
potential.

• LEDs indicate the status of the digital inputs are lit when the input is active.

• LEDs indicate the status of the analog outputs are lit when output voltage or PWM

factor is different from 0.

• LEDs indicate the status of the digital outputs are lit when output is enabled.

1.9 Grounding and shielding

In most cases, IO modules will be installed in an enclosure along with other devices which
generate electromagnetic radiation. Relays, contactors, transformers, motor invertors etc.
are the examples of these devices. This electromagnetic radiation can induce electrical
noise into both power and signal lines, as well as direct radiation into the module causing
negative effects on the system. Appropriate grounding, shielding and other protective steps
should be taken at the installation stage to prevent these effects. These protective steps
include control cabinet grounding, cable shield grounding, protective elements for
electromagnetic switching devices, correct wiring as well as consideration of cable types
and their cross sections.

1.10 RS485 network termination

Transmission line effects often present a problem on data communication networks. These
problems include reflections and signal attenuation.

To eliminate the presence of reflections from the end of the cable, the cable must be
terminated at both ends with a resistor across the line equal to its characteristic
impedance. The both ends must be terminated since the direction of propagation is
bidirectional. In the case of an RS485 twisted pair cable this termination is typically 120 Ω.

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1.11 Setting Module Address on Modbus Network

To determine the address on the Modbus network, module provides two rotary switches S1
and S2 located on the top panel of the device.

It is possible to set the device address from 0 to 99.

The formula for setting the address:

Address = S2 • 10 + S1

Where S1 and S2 are values of switches.

The example:

Figure 16 Sample of setting address

Switches set as in figure above will set the module address to 11.

1.12 Baud rate selection

Transmission baud rate is determined by S3 switch (sections 1, 2 and 3) in accordance with
the following table:

1 2 3

Baud rate

OFF (0)

OFF (0)

OFF (0)

Defined by the user in the registry

OFF (0)

OFF (0)

ON (1)

76800

OFF (0)

ON (1)

OFF (0)

4800

OFF (0)

ON (1)

ON (1)

9600

ON (1)

OFF (0)

OFF (0)

19200

ON (1)

OFF (0)

ON (1)

38400

ON (1)

ON (1)

OFF (0)

57600

ON (1)

ON (1)

ON (1)

115200 (factory set)

Table 4 Baud rate selection

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1.13 Protocol selection

Protocol selection is done by sections 4 and 5 of the S3 switch according to table below:

4 5 Protocol

OFF (0)

OFF (0)

Modbus RTU

OFF (0)

ON (1)

Modbus ASCII

ON (1)

OFF (0)

BACnet Master

ON (1)

ON (1)

BACnet Slave

Table 5 Protocol selection

1.14 Restoring the default settings

To restore the default configuration of all registers, follow the steps below:

1. Turn off power supply

2. Set section 6 of S3 switch to ON

3. Turn on power supply, power LED blinking

4. Switch section 6 of S3 switch to OFF to restore the default settings. To cancel the

reset, turn off the power and switch section 6 of S3 switch to the OFF position.

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1.15 Default Settings

Out of the box device as well as after restoring default values procedure, has got the
following default registers values:

Register Name

Default Value

COUNTER

0

BAUD RATE

76800 (76800 bps)

STOP BITS

1

DATA BITS

8

PARITY BITS

0

RESPONSE DELAY

0

WATCHDOG TIME

0 ( disabled)

STATE OF THE DIGITAL OUTPUTS AFTER START

0

STATE OF THE ANALOG OUTPUTS (DIGITAL)

AFTER START

0

STATE OF THE ANALOG OUTPUTS AFTER START

0

UNIVERSAL INPUT CONFIGURATION

1

INPUT FILTER TIME CONSTANT

2

UNIVERSAL INPUT RESOLUTION

0

ANALOG OUTPUT CONFIGURATION

0

Only for modules with IP

USERNAME

platform

PASSWORD

1000

IP ADDRESS

192.168.1.123

MASK

255.255.255.0

GATEWAY

192.168.1.1

HTTP PORT

80

MODBUS TCP PORT

502

MODBUS TCP TIMEOUT

60s

RS485 TIMEOUT

1000ms

SEND MODBUS ERRORS

DISABLE

BACNET ID

826001

BACNET UDP PORT

47808 (0xBAC0)

Table 6 Default values

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2 Configuration registers

WARNING! Changing the parameters concerning the transmission configuration (except to
registers which value is read from the switch) will only take effect after restarting the unit.

2.1 Firmware version and module type (30001)

In this register are encoded type and firmware version of module.

Low byte contains information about the type of module in accordance with table below:

Value

Type

8110 (0x5116)

8I

9110 (0x5B16)

8I-IP

8410 (0x5416)

8U

9410 (0x5E16)

8U-IP

8310 (0x5316)

4I4O-H

9310 (0x5D16)

4I4O-H-IP

8510 (0x5516)

4U4O-H

9510 (0x5F16)

4U4O-H-IP

8610 (0x5616)

4U4A-H

9610 (0x6016)

4U4A-H-IP

8210 (0x5216)

4O-H

9210 (0x5C16)

4O-H-IP

8710 (0x5716)

4TO-H

9710 (0x6116)

4TO-H-IP

5010 (0x3216)

MIX18

5110 (0x3316)

MIX38

5210 (0x3416)

MIX18-IP

5310 (0x3516)

MIX38-IP

Table 7 Firmware version and module type

High byte contains the module firmware version multiplied by 10.

The example:

In register 30001 is number 1281010 = 0x320A16. It means that it is a module MIX18 (0x32)
with firmware in version 1.0 (0x0A

16

= 1010)

2.2 Module address (30002)

This register contains information about the address of the Modbus module. This address
is set using switches S1 and S2 (see section Setting Module Address on Modbus Network).

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2.3 Baud rate and protocol (30003)

The register contains information about the baud rate and type of protocol in accordance
with the table below. This register reflects the state of the switch S3.

Baud rate

Protocol

Bit 0

Bit 1

Bit 2

Baud rate

Bit 3

Bit 4

Protocol

0 0 0

User defined

0 0 Modbus RTU

0 0 1

76800

0 1 Modbus ASCII

0 1 0

4800

1 0 BACnet Master

0 1 1

9600

1 1 BACnet Slave

1 0 0

19200

1 0 1

38400

1 1 0

57600

1 1 1

115200

Table 8 Baud rate and protocol

2.4 Counter of received messages (30004)

32-bit register with the number of valid Modbus received messages by the module from
last powered up. The value is reset after power cycle or after changing transmission
parameters (speed, stop bits, parity, etc.).

2.5 Counter of error messages (30006)

32-bit register with the number of error Modbus received messages by the module from
last powered up. The value is reset after power cycle or after changing transmission
parameters (speed, stop bits, parity, etc.).

2.6 Counter of sent messages (30008)

32-bit register with the number of Modbus sent messages by the module from last powered
up. The value is reset after power cycle or after changing transmission parameters (speed,
stop bits, parity, etc.).

2.7 Up time (30012)

This 16-bits register contains module working time in seconds from last power up or
module reset.

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2.8 Hardware_version (30130)

This 16-bits register contains the module hardware version multiplied by 10.

2.9 MAC_address (30131)

This 32-bits register contains the module MAC address information.

2.10 Device actions (40001)

Setting register 40001 according to the table below will enable 1 of 4 available actions: reset
module, reload settings, set to default and enter bootloader.

Value

Action

511

Reset

767

Reload settings

1023

Set to default

1279

Enter Bootloader

Table 9 Device actions

2.11 Baud rate (40136)

When sections 1, 2 and 3 of S3 switch are in off position, baud rate is determined in
accordance with this register. Baud rate is determined by the following formula:

Baud rate = Register value • 10

2.12 Stop bits (40137)

Number of stop bits is determined on the basis of this register in accordance with the
following table:

Value

No of stop bits

1 (default)

1 2 2

256

RS485 biasing*

Table 10 Stop bits

*Bit no 8 activates RS485 biasing resistors in order to pull-up voltage on the RS485 bus.
When the bit no 8 is true (bit 8 = 1) then RS485 biasing resistors are activated. The function
is only available in MINI modules with a hardware version >= 2.0

The biasing resistors are useful in case when iSMA modules are connected with a third part
devices with the same RS485 bus and communication errors appears on the network.

WARNING! The only one single device in the network can have biasing resistors activated !

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Figure 17 Modbus message frame

2.13 Data bits (40138)

Number of data bits transmitted in a single byte is determined according to the following
table:

Value

No of data bits

7

7

8 (default)

8

Table 11 Data bits

2.14 Parity bit (40139)

Each byte of data being transferred may have additional protection as a parity bit added
before stop bit (bits).

The method of calculating parity bit determines the table below:

Register value

Type of parity bit

0 (default)

none

1

Odd (number of all ones in a byte is odd)

2

Even (number of all ones in a byte is even)

3

Always 1

4

Always 0

Table 12 Parity bit

2.15 Response delay time (40140)

The value of this 16-bits register determines the number of milliseconds to wait before the
unit answers the question. This time is used to extend the interval between question and
answer. The default value of 0 means no delay (the answer is sent once during the 3.5
character required by the protocol Modbus RTU).

2.16 Watchdog time (40141)

This 16-bits register specifies the time in seconds to watchdog reset. If module does not
receive any valid message within that time, all Digital and Analog Outputs will be set to

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default state.

This feature is useful if for some reason there is an interruption in data transmission and
for security reasons output states must be set to the appropriate state endanger the safety
of persons or property.

The default value is 0 seconds which means the watchdog function is disabled.

When the watchdog is triggered the Power LED blinks with the specified sequence (3 blinks
with 20Hz frequency and 1 second pause).

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3 Local I/O

3.1 Universal Inputs connections

Connection of Universal Input to measure voltage 0 – 10V

Figure 18 Connection of UI to measure 0-10 VDC for MIX38 and MIX38-IP

Connection of Universal Input to measure current 0 – 20 mA

Current measurement is realized by voltage measurement and 200 Ω resistance. According
to the Ohm’s law the current is directly proportional to the voltage and the resistance as the
constant of proportionality.

 




According to the Ohm’s low equation for 20 mA current with 200 Ω resistance the output
voltage is 4 V. It means that the voltage 4 V on the Universal Input corresponds to 20 mA
current.

The result is expressed in millivolts.

Figure 19 Connection of UI to measure 0-20 mA for MIX38 and MIX38-IP

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Connection of Universal Input to measure temperature

Figure 20 Connection of UI to measure temperature for MIX18 and MIX18-IP

Connection of Universal Input as a Digital Input (Dry Contact)

Figure 21 Connection of UI to work as DI for MIX38 and MIX38-IP

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3.2 Universal Inputs MODBUS Registers

Status of Universal Inputs working as Digital Inputs (30017)

This 16-bits register contains information about the status of Digital Inputs (dry contact).
When the input is shortcut to the ground the corresponding bit value is set to 1 in
accordance with the following table:

No of bit in register

No of Universal Input

0 1 1 2 2 3 3 4 4 5 5 6 6 7 7

8

Table 13 UI register working as DI for MIX38 and MIX38-IP

Universal Input measure voltage (current) 1 - 8 (30071, 30073, 30075,

30077, 30079, 30087, 30089, 30091)

In these 16-bits registers are the results of measuring the voltage for each input. The result
is expressed in millivolts.

Measuring the current for each input results are stored in the same registers. In that case
the current value has to be calculated according to the equation:

 





[mA]

Universal Input measure temperature 1 - 8 (30072, 30074, 30076,

30078, 30080, 30095, 30097, 30099)

n these 16-bit registers. . The result is expressed in Celsius degrees • 10

Universal Input measure resistance 1 - 8 (30103, 30104 – 30117,

30118)

n these 32-bit registers. . The result is expressed in Ω or in 0,1 Ω for PT1000 and NI1000
configuration. In the register with lower number it is storage lower part of result and higher
register storage higher part of result.

Universal Input configuration 1 - 8 (40151 – 40158)

These 16-bit registers are used to configure Universal Inputs in accordance with the
following table:

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Register value

Description

0

Off resistance measurement (only measuring the voltage, dry contact off)

1 (default)

The temperature sensor 10K3A1 NTC B=3975K

2

The temperature sensor 10K4A1 NTC B=3695K

3

The temperature sensor 10K NTC B=3435K Carel

4

The temperature sensor 20K6A1 NTC B=4262K

5

The temperature sensor 2,2K3A1 NTC B=3975K

6

The temperature sensor 3K3A1 NTC B=3975K

7

The temperature sensor 30K6A1 NTC B=4262K

8

The temperature sensor SIE1

9

The temperature sensor TAC1

10

The temperature sensor SAT1

16

The temperature sensor Pt1000

17

The temperature sensor Ni1000

+128

(set 7. bit of register)

Off voltage measurement

Table 14 Universal inputs configuration

Filter time constant of the Universal Input 1 - 8 (40159 – 40166)

These 16-bit registers consist a time constant low pass filter. The value is expressed in
seconds. Valid values must be between 0 and 60 seconds. The default filter value is 2
seconds. Setting value 0 will disable the filter.

In the case of UI shortcut or open-loop the filter is reset and UI value filtering stopped.

Resolution of the universal inputs (40167)

This register is used to determine the bit resolution for each Universal Input.

Setting the bit to 0 will set the resolution of converter to 12-bit. Setting the bit to 1 sets the
resolution of converter to 16-bit.

WARNING! Setting 16-bit resolution increases measurement time of one channel from

10 ms to 140 ms. Total time taken to measure all the channels increases from 50 ms to
700 ms.

Each input can be configured separately in accordance with the following table:

No of bit in register

No of Universal Input

0 1 1 2 2 3 3 4 4 5 5

6

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6 7 7

8

Table 15 Universal inputs resolution for MIX38 and MIX38-IP

3.3 Digital Inputs Connections

Connection of Digital Input (Dry Contact)

Figure 22 Connection of DI for MIX38 and MIX38-IP

3.4 Digital Inputs MODBUS Registers

State of Digital Inputs (30016)

This 16-bit register contains the status of the Digital Inputs. Short-circuit input to GND sets
the corresponding bit in the register in accordance with the table below:

No of bit in register

No of Digital Input

0 1 1 2 … … 10

11

11

12

Table 16 Status of DI for MIX38 and MIX38-IP

Counter 1 – 12 (40023, 40024 – 40045, 40046)

The modules have 32-bit counters, one for each Digital Input.

In the register with lower number is stored lower byte of the counter and in the register with
higher number is stored higher byte of the counter.

In the case you would like to change the value of the register you can write any value (called
preset) for pulse counting registers. In the particular case, you can reset the counter by
entering 0. Reset counter is also possible via the registry 40022.

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Resetting counters (40022)

Setting true value of particular bit of this 16-bit register causes reset (sets to 0) the
corresponding counter in accordance with the following table:

No of bit in register

No of Digital Input

0 1 1 2 … … 10

11

11

12

Table 17 Resetting counters for MIX38 and MIX38-IP

Setting true value of particular bit of the register causes continuously reset of the counter.
Setting the bit to 0 restores normal operation.

3.5 Analog Outputs Connections

Connection of Analog Output 0 – 10 V

Figure 23 Connection of AO for MIX38 and MIX38-IP

Connecting relay to Analog Output

Figure 24 Connection of AO to the relay for MIX38 and MIX38-IP

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Connection an actuator to Analog Output

Figure 25 Connection an actuator to AO

3.6 Analog Outputs MODBUS Registers

State of Analog Outputs working as Digital Outputs (40019)

Set/setting true value of particular bit of this 16-bit register causes setting maximum output
voltage (10 V) on corresponding output and setting to 0 corresponding register with Analog
Output value (40121 – 40126).

Bits of register correspond to the following Analog Outputs.

No of bit in

register

No of Analog Output

0 1 1 2 2 3 3 4 4 5 5

6

Table 18 AO working as DO for MIX38 and MIX38-IP

Value of the analog outputs 1 – 6 (40121 – 40126)

In these 16-bit registers are stored value in mV of voltage that appears at the Analog Output.

Default state of the analog outputs (digital) (40144)

Setting true value of particular bit of this 16-bits register sets the maximum voltage (10V)
on the corresponding Analog Output after power on or watchdog reset.

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Bits in register correspond to the following Analog Outputs:

No of bit in

register

No of Analog Output

0 1 1 2 2 3 3 4 4 5 5

6

Table 19 Default state of AO working as DO for MIX38 and MIX38-IP

Default state of the Analog Output 1 – 6 (40145 – 40150)

In these 16-bits registers are stored values in mV of voltage which appear on the Analog
Outputs after power on or watchdog reset.

Configuration mode of Analog Output 1 – 6 (40168 – 40173)

These 16-bit registers contain information about the mode of the Analog Outputs according
to following table:

Register

value

Description

0 (default)

Voltage output 0 – 10V

1

PWM 1Hz

2

PWM 10Hz

3

PWM 100Hz

4

PWM 0.1Hz

5

PWM 0.01Hz

Table 20 AO type settings

Hand control status of analog outputs (30015)

This register is available only for the modules with manual control of Analog Outputs.

No of bit in

register

Description

0,1

Hand status of outputs

1

2,3

Hand status of outputs

2

4,5

Hand status of outputs

3

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6,7

Hand status of outputs

4

Table 21 AO Hand status bits

Value of Hand

status

Status

Description

0

AUTO

1

HAND CONTROL

Table 22 AO Hand status value

The current value of output in the hand mode determines register 30125 to 30128.

Hand control value of Analog Outputs 1 – 4 (30125 - 20128)

The registers contain a percentage value of manual control for outputs from 1 to 4.

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3.7 Digital Outputs (relays) Connections

Connecting the solenoid valve to the Digital Output

Figure 26 Connection of solenoid valve to DO for MIX38 and MIX38-IP

Connecting a resistive load to the Digital Output

Figure 27Connection of resistive load to DO for MIX38 and MIX38-IP

Connecting a inductive load to the Digital Output

Figure 28 Connection of inductive load to DO for MIX38 and MIX38-IP

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3.8 Digital Outputs (relays) MODBUS Registers

State of Digital Outputs (40018)

This 16-bit register contains the state of the Digital Outputs. Set/setting the particular bit in
the register enables the corresponding Digital Output according to the following table:

No of bit in

register

No of Digital Output

0 1 1 2 2 3 3 4 4 5 5

6

Table 23 State of DO for MIX38 and MIX38-IP

Default state of Digital Outputs (40143)

This 16-bit register contains the default state of the Digital Output device after the start or
watchdog reset. Register bits correspond to the Digital Outputs according to the following
table:

No of bit in

register

No of Digital Output

0 1 1 2 2 3 3 4 4 5 5

6

Table 24 Default status of DO for MIX38 and MIX38-IP

Hand control status of Digital Outputs (30015)

This register is available only for the modules with manual control of outputs.

No of bit in

register

Description

0,1

Hand status of output 1

2,3

Hand status of output 2

4,5

Hand status of output 3

6,7

Hand status of output 4

Table 25 DO Hand status bits

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Value of Hand

status

Status

Description

0

AUTO

2

HAND OUT = 0

3

HAND OUT = 1

Table 26 DO Hand status value

3.9 Triac Outputs Connections

Connecting the solenoid valve to the Triac Output

Figure 28 Connection of solenoid valve to TO for 4TO-H and 4TO-H-IP

Connecting a resistive load to the Triac Output

Figure 29 Connection of resistive load to TO for 4TO-H and 4TO-H-IP

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3.10 Triac Outputs MODBUS Registers

State of Triac Outputs (40018)

This 16-bit register contains the state of the Triac Outputs in digital mode. /Setting
particular bit in the register enables the corresponding Triac Output according to the
following table:

No of bit in

register

No of Triac Output

0 1 1 2 2 3 3

4

Table 27 State of TO for 4TO-H and 4TO-H-IP

Default state of triac outputs (40143)

This 16-bits register contains the default state of the Triac Output device after the start or
watchdog reset.

The register bits correspond to the Triac Outputs according to the following table:

No of bit in

register

No of Digital Output

0 1 1 2 2 3 3

4

Table 28 Default status of TO for 4TO-H and 4TO-H-IP

Value of the Triac PWM outputs 1 – 4 (40121 – 40124)

In these 16-bit registers are stored value in percent’s of duty that appears on the PWM
output. Output working mode is defined by CONFIGURATION mode of Triac Output.

Default state of the Triac PWM outputs 1 – 4 (40145 – 40148)

In these 16-bit registers are stored value in percent’s of duty that appears on the Analog
Output after power on or watchdog reset.

Configuration mode of Triac Output 1 – 4 (40168 – 40171)

These 16-bits registers contain information about the mode of the Triac Outputs according
to the following table:

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Register

value

Description

1 (default)

Digital Output

2

PWM 1Hz

3

PWM 10Hz

4

Not supported

5

PWM 0.1 HZ

6

PWM 0.01Hz

Table 29 TO type settings

Hand control status of Triac Outputs (30015)

This register is available only for the modules with manual control of outputs.

No of bit in

register

Description

0,1

Hand status of outputs 1

2,3

Hand status of outputs 2

4,5

Hand status of outputs 3

6,7

Hand status of outputs 4

Table 30 TO Hand status bits

Value of Hand

status

Status

Description

0

AUTO

2

HAND OUT = 0

3

HAND OUT = 1

Table 31 TO Hand status value

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3.11 Special application modes for 4I4O-H, 4I4O-H-IP, 4U4O-H and 4U4O-

H-IP

In 4I4O-H, 4I4O-H-IP, 4U4O-H, 4U4O-H-IP modules simple applications have been built which
can be used to control building devices. The applications make logic between signal from
Digital Input and control Digital Output state. Relation between Inputs and Outputs is shown
in the table below and it cannot be changed.

Digital Input

Digital Output

DI1

DO1

DI2

DO2

DI3

DO3

DI4

DO4

Table 32 Built in application relation between input and output

The Digital Inputs in modules type 4I4O-H, 4I4O-H-IP, 4U4O-H, 4U4O-H-IP can be set to work
in different modes. There are dedicated registers for operation mode (40176, 40180, 40184,

40188), time parameters (40177, 40181, 40185, 40189), setpoints for heating/cooling
modes (40178, 40182, 40186, 40190 4U4O-H and 4U4O-H-IP only) and for differential value
in heating/cooling modes (40179, 40183, 40187, 40191 4U4O-H and 4U4O-H-IP only).

Register

Description

40176

DI1 OPERATION MODE

40177

DI1 TIME VALUE

40178

DI1 SETPOINT

(4U4O-H and 4U4O-H-IP only)

40179

DI1 DIFFERENTIAL

(4U4O-H and 4U4O-H-IP only)

40180

DI2 OPERATION MODE

40181

DI2 TIME VALUE

40182

DI2 SETPOINT

(4U4O-H and 4U4O-H-IP only)

40183

DI2 DIFFERENTIAL

(4U4O-H and 4U4O-H-IP only)

40184

DI3 OPERATION MODE

40185

DI3 TIME VALUE

40186

DI3 SETPOINT

(4U4O-H and 4U4O-H-IP only)

40187

DI3 DIFFERENTIAL

(4U4O-H and 4U4O-H-IP only)

40188

DI4 OPERATION MODE

40189

DI4 TIME VALUE

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40190

DI4 SETPOINT

(4U4O-H and 4U4O-H-IP only)

40191

DI4 DIFFERENTIAL

(4U4O-H and 4U4O-H-IP only)

Table 33 List of registers dedicated for special application mode

Operation Mode registers (40176,40180,40184,40188)

This register contains information about module working mode. Available modes and
register values are shown in the table below:

Value

OPERATION MODE Register

0

Ordinary IO(def)

1

Monostabile Relay

2

Bistabile Relay

3

Time Relay NO [ms]

4

Time Relay NC [ms]

5

Time Relay NO [s]

6

Time Relay NC [s]

7

Input Forwarding

8

Heating

(4U4O-H and 4U4O-H-IP only)

9

Cooling

(4U4O-H and 4U4O-H-IP only)

Table 34 Special application modes

Operating mode can be changed by writing right value in the Operation Mode register.

Special modes are initialized after 3 seconds from power-up or restart of the module (the
time value needed to stabilize the analog transmitter working).

Each Input mode change sets assigned Output to default state and reset the timer (used in
Time-based modes). When the new selected operating mode is running output is controlled
according to the new mode functioning.

3.11.1.1 Ordinary IO

In this mode, module works as a standard IO; inputs and outputs are not related which each
other.

3.11.1.2 Monostabile Relay

In this mode both rising and falling edge on digital input change output state. The action of
monostable relay can by executed remotely by changing the state of bit from false to true
in COMMAND register (40020). Outputs can by also overwritten by DIGITAL OUTPUT
register (40018), which allows remote control from BMS.

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3.11.1.3 Bistabile Relay

In this mode only rising edge on digital input change output state. The action of bistable
relay can by executed remotely by changing the state of bit from false to true in COMMAND
register (40020). Outputs can by also overwritten by DIGITAL OUTPUT register (40018 ),
which allows remote control from BMS.

3.11.1.4 Time Relay NO [ms]

In this mode when the output value is false, rising edge on digital input set output to true
value. Every falling edge on digital input starts the counter from the beginning what means
that the output will stay in true value for a time defined in TIME VALUE register (expressed
in milliseconds), counting from the last falling edge of digital input. The action of time relay
can be executed remotely by changing state from false to true in relevant COMMAND
register (40020). Outputs can be also overwritten by module DIGITAL OUTPUT register
(40018), which allows to remote control from BMS.

3.11.1.5 Time Relay NC [ms]

In this mode when the output value is false, falling edge on digital input set output to true
value. Every rising edge on digital input starts the counter from the beginning what means
that the output will stay in true value for a time defined in TIME VALUE register (expressed
in milliseconds), counting from the last rising edge of digital input. The action of time relay
can be executed remotely by changing state from false to true in relevant COMMAND
register (40020). Outputs can be also overwritten by module DIGITAL OUTPUT register
(40018), which allows to remote control from BMS.

3.11.1.6 Time Relay NO [s]

In this mode when the output value is false, rising edge on digital input set output to true
value. Every falling edge on digital input starts the counter from the beginning what means
that the output will stay in true value for a time defined in TIME VALUE register (expressed
in seconds), counting from the last falling edge of digital input. The action of time relay can
be executed remotely by changing state from false to true in relevant COMMAND register
(40020). Outputs can be also overwritten by module DIGITAL OUTPUT register (40018),
which allows to remote control from BMS.

3.11.1.7 Time Relay NC [s]

In this mode when the output value is false, falling edge on digital input set output to true
value. Every rising edge on digital input starts the counter from the beginning what means
that the output will stay in true value for a time defined in TIME VALUE register (expressed
in seconds), counting from the last rising edge of digital input. The action of time relay can
be executed remotely by changing state from false to true in relevant COMMAND register
(40020). Outputs can be also overwritten by module DIGITAL OUTPUT register (40018),
which allows to remote control from BMS.

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3.11.1.8 Input Forwarding

In this mode, any signal from the input is transferred directly to the assigned output without
any modifications. The input forwarding mode functioning can be stopped by Block Input
function (see Block Inputs register).

3.11.1.9 Heating mode (4U4O-H and 4U4O-H-IP only)

In this mode output is controlled as a typical thermostat, based on Setpoint register and
Control value (Input value) with differential parameter defined in Differential register. The
output signal works in 2 states low and high.

When Control value is lower or equal the difference of Setpoint register and differential
register the output is in low state.

When Control value is higher or equal the sum of Setpoint register and differential register
the output is in high state.

Output in low state:

Control value >= Setpoint + Differential

Output in high state:

Control value <= Setpoint – Differential

The heating mode algorithm is shown in chart below.

Figure 30 Heating mode algorithm functioning

WARNING! In the case when temperature sensor is failed (disconnected or shortcut) then
heating mode does not work and output stays in the false state.

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3.11.1.10 Cooling mode (4U4O-H and 4U4O-H-IP only)

In this mode output is controlled as a typical thermostat, based on Setpoint register and
Control value (Input signal) with differential parameter defined in Differential register.

The output signal works in 2 states - low and high.

When Control value is lower or equal the difference of Setpoint register and Differential
register the output is in low state.

When Control value is higher or equal the sum of Setpoint register and Differential register
the output is in high state.

Output in low state:

Control value <= Setpoint – Differential

Output in high state:

Control value >= Setpoint + Differential

The cooling mode algorithm is shown in chart below.

Figure 31 Cooling mode algorithm functioning

WARNING! In the case when temperature sensor is failed (disconnected or shortcut) then
heating mode does not work and output stays in the false state.

Time Value registers (40177,40181,40185,40189)

The registers contain time values for TIME RELAY modes. The time unit depends on
selected mode [milliseconds] or [seconds].

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Command register (40020)

The module have special register COMMAND (40020). The command register is used for
remotely execute action ( simulate light switch/PIR). The action is executed by changing
state of relevant bit (changing from false to true). All special application modes can be
executed except Input Forwarding, Heating and Cooling modes.

No of bit in register

(40020)

Command input

number

0 1 1 2 2 3 3

4

Table 32 Command register for special application modes

Block Inputs register (40021)

The Block Inputs register is used to block physical input signals to take action in logic. By
setting true value on relevant bit the module block input and no action will be executed.
Setting false value restores normal operation. The block input function does not work when
the heating/cooling input mode is set.

No of bit in register

(40021)

Block input

number

0 1 1 2 2 3 3

4

Table 35 Block inputs register.

Setpoint registers (40178,40182,40186,40190)

The SETPOINT registers contain values which are used in heating/cooling modes (4U4O-H
and 4U4O-H-IP only) as the setpoints for heating/cooling control algorithm

The default Setpoint value is 21. (read more in Heating mode, Cooling mode).

The register stores the setpoint multiplied by 10.

Differential registers (40179,40183,40187,40191)

The DIFFERENTIAL registers contain values which are used in heating/cooling modes
(4U4O-H and 4U4O-H-IP only) as the differential for heating/cooling control algorithm.
Setpoint registers and Differential registers create deadband of the Control values which
has no influence on output.

Deadband = (Setpoint – Differential, Setpoint + Differential)

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The default Differential value is 1. (read more in Heating mode, Cooling mode).

The register stores the differential multiplied by 10.

4 WEB Configuration- only IP version

4.1 Web server access

All IP version modules have built in web server, which allows to show module status and to
change configuration.

To access web server open browser and entre IP address of the module, default address
for new module ( default IP address is 192.168.1.123 ). Please use the following credentials :

Username: platform

Password: 1000 ( by default )

4.2 Device page

This page contains information and technical specification of the device. The Basic
Information section includes information about module type, firmware version and uptime.
In the Device Specification there are information about: Power Supply, Inputs / Outputs
parameters, Interfaces and Mechanical.

Figure 32 Device page of 8U-IP

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 44 / 73

4.3 Local I/O status and configuration

Universal Inputs

This page allows to enter configuration parameters and show actual value of Universal
Inputs. To open this page please navigate to Local IO tab and choose Universal Inputs from
submenu.

Figure 30 Universal Inputs page of 8U-IP

•

Figure 34 Types of sensors

Universal Input table has the following fields:

• Sensor type (Read & Write) allows to set different type of sensor.

• Resolution (Read & Write), resolution measurement 12bits / 16bits (for PT1000 and

Ni1000 sensors please use 16bits).

• UI Flag (Read Only), status of UI as DI.

• Disable Voltage Measurement (Read & Write), disable voltage measuring for resistance

measurement only.

• L.P. Filter Constant (Read & Write),parameter time constant low pass filter in seconds.

Valid values must be between 0 and 60 seconds (default 2s). Setting value 0 will
disable the filter.

• Resistance (Read Only), in ohms from 0 to 1000k [Ω].

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 45 / 73

• Temperature (Read Only), in Celsius with an accuracy of 1 decimal [°C].

• Voltage (Read Only) in millivolts [mV].

WARNING! To save changes please use “Submit” button

.

Special application modes configuration

This page allows to enter configuration parameters and show actual value of Special
application modes. To open this page please navigate to Local IO tab and choose Universal
Inputs from submenu.

Figure 35 Universal Inputs page of 4U4O-IP

Figure 36 Special application modes

Special Modes Configuration table has the following fields:

• Block Input (Read & Write) allows to block particular input (except heating/cooling

modes).

• Input Mode (Read & Write), allows to select the Special Application Mode for particular

input (Ordinary IO in default).

• Command (Read & Write), execution of the Special Application Modes (except input

forwarding, heating/cooling modes).

• Mode Time (Read & Write), Time base for time relay application modes (unit depends

on selected mode [ms] or [s]).

• Setpoint (Read & Write, 4U4O-H-IP only), setpoint value for heating/cooling modes.

MINI and MIX Series I/O modules/Modbus

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In default 0.

• Differential (Read & Write, 4U4O-H-IP only), differential value for heating/cooling modes.

In default 0.

WARNING! To save changes please use “Submit” button

.

Digital Inputs

This page allows to enter configuration parameters and shows actual value of Digital
Inputs. To open this page please navigate to Local IO tab and choose Digital Inputs from
submenu.

Figure 37 Digital Inputs page of MIX38-IP

Digital Input table has the following fields:

• State (Read Only), actual input state.

• Reset Flag (Read & Write), reset of pulses value (leaving reset active will case resetting

pulses value).

• Counter State (Read Only), actual value of pulses save in EEPROM.

• Counter State To Set (Read & Write ), allows to set value of counter.

WARNING! To save changes please use “Submit” button

.

Digital Outputs

This page allows to enter configuration parameters and shows actual value of Digital
Outputs. To open this page please navigate to Local IO tab and choose Digital Outputs from
submenu.

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 47 / 73

Figure 38 Digital Outputs page of MIX38-IP

Digital Outputs table has the following fields:

• State (Read & Write), actual state of digital output.

• Default State (Read & Write), output state after power up and watchdog.

• Watchdog (Read & Write),device watchdog value in seconds.

WARNING! To save changes please use “Submit” button

.

Analog Outputs

This page allows to enter configuration parameters and shows actual value of Analog
Outputs. To open this page please navigate to Local IO tab and choose Analog Outputs from
submenu.

Figure 39 Analog Outputs page of 4U4A-H-IP

Analog Outputs table has the following fields:

• Value (Read & Write), actual value of analog output in millivolts [mV].

• Type (Read & Write), analog output working mode voltage / PWM.

• Default Value (Read & Write). default output value after power up and watchdog.

• Digital Output (Read & Write). output status flag for DO mode.

• Default Digital Output (Read & Write). default output status for DO mode.

• Watchdog (Read & Write), device watchdog value in seconds.

MINI and MIX Series I/O modules/Modbus

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• Hand State Output (Read Only, MINI series only), manual overrides potentiometer

status

WARNING! To save changes please use “Submit” button

.

4.4 RS485 Configuration

This page allow to enter configuration parameters and show information of controllers
RS485 port.

Figure 40 RS485 configuration page

This page allows to set parameters such as:

• Baud rate (Read Only ), RS485 baud rate from 2400 up to 115200.

• Modbus Config (Read Only ), Modbus Protocol Type- RTU or ASCII.

• Stop Bits (Read & Write), number of stop bits (1 or 2).

• Data Bits (Read & Write), number of data bits transmitted in a single byte

(7 or 8).

• Parity Bits (Read & Write), transmission protection as a parity bit added before stop bit

(bits).

• RS485 Biasing Resistors , biasing resistors activation only for MINI modules with a

hardware version >= 2.0 (option unavailable in MIX modules)

• Received Frames (Read Only), number of received frames.

• Transmitted Frames (Read Only), number of transmitted frames.

• Error Frames (Read Only), number of error frames.

WARNING! To save changes please use “Submit” button

.

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 49 / 73

4.5 IP Configuration

This page allows to change parameters of Ethernet port, Modbus TCP and BACnet IP.

Figure 41 IP configuration page

This page allows to set parameters such as:

• IP Address (Read & Write), controller Ethernet interface IP address.

• Mask (Read & Write), network mask.

• Gateway (Read & Write), network default gateway.

• Http Port (Read & Write), http port.

• Mac Address (Read Only), Ethernet interface MAC address.

• Protocol Type (Read Only), Dip Switch protocol selection.

• Modbus TCP Port (Read & Write), Modbus TCP port number, default 502.

• Modbus Address (Read Only). Modbus device address set by rotary switches.

• Modbus TCP Communication Timeout (Read & Write), timeout for TCP/IP messages.

• RS485 Timeout (Read & Write), timeout for Modbus RTU/ASCII messages.

• Send Modbus Errors (Read Only), Enable / Disable sending Modbus error messages.

• BACnet ID (Read & Write), BACnet ID set by rotary switches, this value can be

overridden by the user, once overridden by user changing rotary switches will not affect
BACnet ID.

• BACnet UDP port (Read & Write),BACnet IP port.

WARNING! To save changes please first click “Submit” button and then “Reboot” button

MINI and MIX Series I/O modules/Modbus

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4.6 Device management

This page allows to change password and remote reboot device.

Figure 42 Device management page

Procedure of changing device password:

a) enter current device password in field - Current Device Password,
b) enter new device password in field - New Device Password,
c) enter again new device password in field - Confirm New Device Password,
d) to confirm password change please click “Submit” button,
e) please Logout and Login again using new password.

WARNING! To reset password to default refer to “Restoring default settings”

4.7 Contact

This page displays information about Manufacture web address and email to technical
support.

Figure 43 Contact page view

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 51 / 73

5 Modbus TCP/IP modules

5.1 Modbus TCP/IP

The device simultaneously supports up to 4 Modbus TCP clients. If the fifth device will want
to connect to the module, TCP connection will be rejected. In order to secure the module
before filling up the call list, it was introduced a mechanism for monitoring each Modbus
TCP connection. There is a parameter called Modbus TCP Communication Timeout
(default 60s), If during this time will not come any request from the Modbus TCP client,
module will close the connection.

To read internal registers of the module need to generate the correct MODBUS TCP frame
with address according to the setting of dipswitch, If the address is different the frame will
be sent to the RS485 port.

If module receive an incorrect MODBUS TCP frame, it sends back a frame with error code:

0x01 - if the function code in the query is not supported

0x02 - if the address of the register is invalid

0x03 - If in the query disagrees the amount of data

If the query is correct, device instantly generates answer with the data or acknowledgment
of receipt of data, depending on the query.

5.2 Module as Modbus TCP/IP Gateway to RS485

All IP version modules have built in Modbus TCP/IP to RS485 gateway which allows to
connects using RS485 an additional I/O modules or 3rd party Modbus devices. In order to
ensure proper operation of Modbus Gateway please make sure that all parameters of
RS485 ( Baud Rate, Stop Bits ect.) of all the devices connected to RS485 ( Gateway and an
addition I/O modules/devices) are same.

Operation of gateway is based on checking the MODBUS address in the MODBUS TCP
query. If the address is different from the set on the dipswitch, data frame from query is
converted to MODBUS RTU/ASCII, and sent to the RS485 port. Then the module waits for
an answer from device connected to the RS485, if slave does not respond within the
estimated time defined by the RS485 Timeout (default 500ms), an exception response will
be given: error code 0x0B. If the slave answered the correct frame, it is converted to Modbus
TCP and sent to the master.

Module in gateway functionality in case of not receive valid frame, send error code 0x0B.
Some systems upon receipt of this error code, no repeats the query according to the
settings. No retry may result in immediate going point to down mode. That is why modules
have the ability to block the sending information about errors (Send Modbus Errors setting
from built in web or iSMA-Configurator). Then in the absence of any response, the system
retry the request according to the settings.

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 52 / 73

Figure 44 Modbus TCP/IP to RS485 Gateway an example

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 53 / 73

6 List of all Modbus Registers

Below is a table with all the registers available for all types of modules. Please notice that
for some types of modules some of the registers are not available according to the physical
number and types of Inputs and Outputs.

Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

30001

0

0x00

VERSION AND MODULE
TYPE

Read Only

30002

1

0x01

MODULE ADDRESS (state
of switch)

Read Only

30003

2

0x02

BAUD RATE AND
PROTOCOL
(state of switch)

Read Only

30004

3

0x03

COUNTER OF RECEIVED
FRAMES (32 – bits)

Read Only

Default state is 0 Reset at the unit start
and change of transmission
parameters.

30006

5

0x05

COUNTER OF FRAMES
WITH ERROR (32 – bits)

Read Only

Default state is 0 Reset at the unit start
and change of transmission
parameters.

30008

7

0x07

COUNTER OF SENT
FRAMES
(32 – bits)

Read Only

Default state is 0 Reset at the unit start
and change of transmission
parameters.

30015

14

0xE

STATUS OF MANUAL
OPERATION

Read Only

Status of manual operation DO, TO and
AO for modules MINI series

30016

15

0x0F

STATE OF DIGITAL INPUTS

Read Only

30017

16

0x10

STATE OF UNIVERSAL
INPUTS
WORKING AS DIGITAL
INPUTS

Read Only

Status of Universal Inputs working as
digital inputs

40001

0

0x00

DEVICE ACTIONS

Read &
Write

Allows to enable 1 of 3 device actions

40018

17

0x11

STATE OF DIGITAL
OUTPUTS

Read &
Write

State of Digital Outputs

40019

18

0x12

STATE OF ANALOG
OUTUTS
WORKING AS DIGITAL
OUTPUTS

Read &
Write

State of Analog Outputs working as
Digital Outputs

40020

19

0x13

DIGITAL INPUTS
COMMAND REGISTER

Read &
Write

Digital Inputs command register

40021

20

0x14

DIGITAL INPUTS
BLOCKING

Read &
Write

Digital Inputs blocking register
40022

21

0x15

COUNTER RESET

Read &

Set bit in register to reset corresponding

MINI and MIX Series I/O modules/Modbus

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

Write

counter.

40023

22

0x16

COUNTER 1 LSB

Read &
Write
Memory

32-bit counters for each Digital Input
counting pulses.

40024

23

0x17

COUNTER 1 MSB
40025

24

0x18

COUNTER 2 LSB

Read &
Write
Memory

40026

25

0x19

COUNTER 2 MSB
40027

26

0x1A

COUNTER 3 LSB

Read &
Write
Memory

40028

27

0x1B

COUNTER 3 MSB
40029

28

0x1C

COUNTER 4 LSB

Read &
Write
Memory

40030

29

0x1D

COUNTER 4 MSB
40031

30

0x1E

COUNTER 5 LSB

Read &
Write
Memory

40032

31

0x1F

COUNTER 5 MSB
40033

32

0x20

COUNTER 6 LSB

Read &
Write
Memory

40034

33

0x21

COUNTER 6 MSB
40035

34

0x22

COUNTER 7 LSB

Read &
Write
Memory

40036

35

0x23

COUNTER 7 MSB
40037

36

0x24

COUNTER 8 LSB

Read &
Write
Memory

40038

37

0x25

COUNTER 8 MSB
40039

38

0x26

COUNTER 9 LSB

Read &
Write
Memory

40040

39

0x27

COUNTER 9 MSB
40041

40

0x28

COUNTER 10 LSB

Read &
Write
Memory

40042

41

0x29

COUNTER 10 MSB
40043

42

0x2A

COUNTER 11 LSB

Read &
Write
Memory

40044

43

0x2B

COUNTER 11 MSB
40045

44

0x2C

COUNTER 12 LSB

Read &
Write
Memory

40046

45

0x2D

COUNTER 12 MSB
30071

70

0x46

UIVERSAL INPUT VOLTAGE
1

Read Only

Voltage measurement value is
expressed in mV.
30072

71

0x47

UIVERSAL INPUT
TEMPERATURE 1

Read Only

MINI and MIX Series I/O modules/Modbus

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

30073

72

0x48

UIVERSAL INPUT VOLTAGE
2

Read Only

Formula for the current measurements:

 





where: U – register value,
500 – value of attached resistor

Temperature is expressed in Celsius
degrees * 10
For a result, divide the registry value by
10:

 





Selection of the type sensor is done
using UNIVERSAL INPUT
CONFIGURATION register from 40151
to 40158 for each input separately

30074

73

0x49

UIVERSAL INPUT
TEMPERATURE 2

Read Only

30075

74

0x4A

UIVERSAL INPUT VOLTAGE
3

Read Only

30076

75

0x4B

UIVERSAL INPUT
TEMPERATURE 3

Read Only

30077

76

0x4C

UIVERSAL INPUT VOLTAGE
4

Read Only

30078

77

0x4D

UIVERSAL INPUT
TEMPERATURE 4

Read Only

30079

78

0x4E

UIVERSAL INPUT VOLTAGE
5

Read Only

30080

79

0x4F

UIVERSAL INPUT
TEMPERATURE 5

Read Only

30081

80

0x50

UIVERSAL INPUT VOLTAGE
6

Read Only

30082

81

0x51

UIVERSAL INPUT
TEMPERATURE 6

Read Only

30083

82

0x52

UIVERSAL INPUT VOLTAGE
7

Read Only

30084

83

0x53

UIVERSAL INPUT
TEMPERATURE 7

Read Only

30085

84

0x54

UIVERSAL INPUT VOLTAGE
8

Read Only

30086

85

0x55

UIVERSAL INPUT
TEMPERATURE 8

Read Only

30087

86

0x56

UIVERSAL INPUT VOLTAGE
1

Read Only

30088

87

0x57

UIVERSAL INPUT VOLTAGE
2

Read Only

30089

88

0x58

UIVERSAL INPUT VOLTAGE
3

Read Only

30090

89

0x59

UIVERSAL INPUT VOLTAGE
4

Read Only

30091

90

0x5A

UIVERSAL INPUT VOLTAGE
5

Read Only

30092

91

0x5B

UIVERSAL INPUT VOLTAGE
6

Read Only
30093

92

0x5C

UIVERSAL INPUT VOLTAGE

Read Only

MINI and MIX Series I/O modules/Modbus

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

7

30094

93

0x5D

UIVERSAL INPUT VOLTAGE
8

Read Only

30095

94

0x5E

UIVERSAL INPUT
TEMPERATURE 1

Read Only

30096

95

0x5F

UIVERSAL INPUT
TEMPERATURE 2

Read Only

30097

96

0x60

UIVERSAL INPUT
TEMPERATURE 3

Read Only

30098

97

0x61

UIVERSAL INPUT
TEMPERATURE 4

Read Only

30099

98

0x62

UIVERSAL INPUT
TEMPERATURE 5

Read Only

30100

99

0x63

UIVERSAL INPUT
TEMPERATURE 6

Read Only

30101

100

0x64

UIVERSAL INPUT
TEMPERATURE 7

Read Only

30102

101

0x65

UIVERSAL INPUT
TEMPERATURE 8

Read Only
30103

102

0x66

RESISTIVE INPUT 1 LSB

Read Only

Resistance measurement result
expressed in Ω

30104

103

0x67

RESISTIVE INPUT 1 MSB

Read Only

30105

104

0x68

RESISTIVE INPUT 2 LSB

Read Only

30106

105

0x69

RESISTIVE INPUT 2 MSB

Read Only

30107

106

0x6A

RESISTIVE INPUT 3 LSB

Read Only

30108

107

0x6B

RESISTIVE INPUT 3 MSB

Read Only

30109

108

0x6C

RESISTIVE INPUT 4 LSB

Read Only

30110

109

0x6D

RESISTIVE INPUT 4 MSB

Read Only

30111

110

0x6E

RESISTIVE INPUT 5 LSB

Read Only

30112

111

0x6F

RESISTIVE INPUT 5 MSB

Read Only

30113

112

0x70

RESISTIVE INPUT 6 LSB

Read Only

30114

113

0x71

RESISTIVE INPUT 6 MSB

Read Only

30115

114

0x72

RESISTIVE INPUT 7 LSB

Read Only

30116

115

0x73

RESISTIVE INPUT 7 MSB

Read Only

30117

116

0x74

RESISTIVE INPUT 8 LSB

Read Only

30118

117

0x75

RESISTIVE INPUT 8 MSB

Read Only

40121

120

0x78

VALUE OF ANALOG
OUTPUT 1

Read &
Write

The voltage at the Analog Outputs given

40122

121

0x79

VALUE OF ANALOG

Read &

MINI and MIX Series I/O modules/Modbus

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

OUTPUT 2

Write

in the mV range from 0 to 10000mV

40123

122

0x7A

VALUE OF ANALOG
OUTPUT 3

Read &
Write

40124

123

0x7B

VALUE OF ANALOG
OUTPUT 4

Read &
Write

40125

124

0x7C

VALUE OF ANALOG
OUTPUT 5

Read &
Write

40126

125

0x7D

VALUE OF ANALOG
OUTPUT 6

Read &
Write

30125

124

0x7C

HAND STATUS VALUE 1

Read Only

The current value of Analog Output in
the hand mode for MINI with AO

30126

125

0x7D

HAND STATUS VALUE 2

Read Only

30127

126

0x7E

HAND STATUS VALUE 3

Read Only

30128

127

0x7F

HAND STATUS VALUE 4

Read Only

30130

129

0x81

HARDWARE_VERSION

Read Only

The current hardware version of a
device

30131

130

0x82

MAC_ADDRESS (32 – bits)

Read Only

The MAC address of a device

40136

135

0x87

BAUD RATE

Read &
Write
Memory

Transmission speed is defined by the
user calculated using the formula:

  󰇛󰇜  

The value is considered only when
sections 1, 2 and 3 of S3 switch is in the
OFF position
The default value is 7680 (76800 bps)

40137

136

0x88

STOP BITS

Read &
Write
Memory

Supported values are 1 and 2
The default value 1

40138

137

0x89

DATA BITS

Read &
Write
Memory

Supported values are 7 and 8
The default value 8

40139

138

0x8A

PARITY BIT

Read &
Write
Memory

Parity bit (40139) The default value is 0
(no parity)
Allowed values:

Value

Description

0 (default)

none

1

Odd 2 Even

3

Always 1

4

Always 0

40140

139

0x8B

RESPONSE DELAY

Read &
Write

Delay in ms before sending response
The default value is 0.

MINI and MIX Series I/O modules/Modbus

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

Memory

40141

140

0x8C

WATCHDOG TIME

Read &
Write
Memory

Time in second before watchdog reset
in case no transmission.
A value of 0 disables Watchdog.
The default value is 0s

40143

142

0x8E

DEFAULT STATE OF
DIGITAL OUTPUTS

Read &
Write
Memory

State of Digital Outputs assigned at the
start of the module and watchdog reset.
The default value is 0.

40144

143

0x8F

DEFAULT STATE OF
ANALOG OUTPUTS
(DIGITAL)

Read &
Write
Memory

State of Analog Outputs assigned at the
start of the module and watchdog reset.
The default value is 0.

40145

144

0x90

DEFAULT STATE OF
ANALOG OUTPUT 1

Read &
Write
Memory

In the registers is stored value that
appears at the Analog Output after
power on or watchdog reset.
The default value is 0.

40146

145

0x91

DEFAULT STATE OF
ANALOG OUTPUT 2

Read &
Write
Memory

40147

146

0x92

DEFAULT STATE OF
ANALOG OUTPUT 3

Read &
Write
Memory

40148

147

0x93

DEFAULT STATE OF
ANALOG OUTPUT 4

Read &
Write
Memory

40149

148

0x94

DEFAULT STATE OF
ANALOG OUTPUT 5

Read &
Write
Memory

40150

149

0x95

DEFAULT STATE OF
ANALOG OUTPUT 6

Read &
Write
Memory

40151

150

0x96

UNIVERSAL INPUT
CONFIGURATION 1

Read &
Write
Memory

Configuration of Universal Input and
type of temperature sensor.
The default value is 1.

Valu

e

Description / Sensor

0

Resistance
measurement off

1

10K3A1 NTC

2

10K4A1 NTC

3

10K NTC Carel

40152

151

0x97

UNIVERSAL INPUT
CONFIGURATION 2

Read &
Write
Memory

40153

152

0x98

UNIVERSAL INPUT
CONFIGURATION 3

Read &
Write
Memory

40154

153

0x99

UNIVERSAL INPUT
CONFIGURATION 4

Read &
Write
Memory

40155

154

0x9A

UNIVERSAL INPUT

Read &

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Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

CONFIGURATION 5

Write
Memory

4 20K6A1 NTC

5

2,2K3A1 NTC B=3975K

6

3K3A1 NTC

7

30K6A1 NTC

8

SIE1

9

TAC1

10

SAT1

16

Pt1000

17

Ni1000

+128

Voltage measurement
off

40156

155

0x9B

UNIVERSAL INPUT
CONFIGURATION 6

Read &
Write
Memory

40157

156

0x9C

UNIVERSAL INPUT
CONFIGURATION 7

Read &
Write
Memory

40158

157

0x9D

UNIVERSAL INPUT
CONFIGURATION 8

Read &
Write
Memory

40159

158

0x9E

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
1

Read &
Write
Memory

Filter time constant, expressed in
seconds in the range from 0 to 60
seconds.
A value of 0 disables the filter.
The default value is 2s.

40160

159

0x9F

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
2

Read &
Write
Memory

40161

160

0xA0

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
3

Read &
Write
Memory

40162

161

0xA1

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
4

Read &
Write
Memory

40163

162

0xA2

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
5

Read &
Write
Memory

40164

163

0xA3

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
6

Read &
Write
Memory

40165

164

0xA4

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
7

Read &
Write
Memory

40166

165

0xA5

FILTER TIME CONSTANT
OF THE UNIVERSAL INPUT
8

Read &
Write
Memory

40167

166

0xA6

RESOLUTION OF THE
UNIVERSAL INPUTS

Read &
Write
Memory

Resolution of Analog Inputs. When bit is
set measurement at corresponding
input is done with 16-bit resolution.
By default, all measurements are done

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 60 / 73

Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

with 12-bit resolution.

40168

167

0xA7

ANALOG OUTPUT
CONFIGURATION 1

Read &
Write
Memory

Configuring the mode of Analog Output
according to the following table:

Value

Description

0 (default)

Voltage output 0-10V

1

PWM 1Hz

2

PWM 10Hz

3

PWM 100Hz

4

PWM 0.1Hz

5

PWM 0.01Hz

40169

168

0xA8

ANALOG OUTPUT
CONFIGURATION 2

Read &
Write
Memory

40170

169

0xA9

ANALOG OUTPUT
CONFIGURATION 3

Read &
Write
Memory

40171

170

0xAA

ANALOG OUTPUT
CONFIGURATION 4

Read &
Write
Memory

40172

171

0xAB

ANALOG OUTPUT
CONFIGURATION 5

Read &
Write
Memory

40173

172

0xAC

ANALOG OUTPUT
CONFIGURATION 6

Read &
Write
Memory

40176

175

0xAF

DIGITAL INPUT 1
CONFIGURATIO MODE

Read &
Write
Memory

DIGITAL INPUT CONFIGURATIO MODE
table:

Value

Description

0

Ordinary IO

1

Monostable Relay

2

Bistable Relay

3

Time Relay

DIGITAL INPUT TIME VALUE in [ms] or
in [s] – depends on mode selection

SETPOINT in oC multiplied by 10
Default value = 0

40177

176

0xB0

DIGITAL INPUT 1
TIME VALUE

Read &
Write
Memory

40178

177

0xB1

DIGITAL INPUT 1
SETPOINT

Read &
Write
Memory

40179

178

0xB2

DIGITAL INPUT 1
DIFFERENTIAL

Read &
Write
Memory

40180

179

0xB3

DIGITAL INPUT 2
CONFIGURATIO MODE

Read &
Write
Memory

40181

180

0xB4

DIGITAL INPUT 2
TIME VALUE

Read &
Write
Memory

40182

181

0xB5

DIGITAL INPUT 2
SETPOINT

Read &
Write
Memory

40183

182

0xB6

DIGITAL INPUT 2
DIFFERENTIAL

Read &
Write
Memory

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 61 / 73

Modbus

Addr

Dec

Addr

Hex

Addr

Register name

Access

Description

40184

183

0xB7

DIGITAL INPUT 3
CONFIGURATIO MODE

Read &
Write
Memory

DIFFERENTIAL in oC multiplied by 10
Default value = 0

40185

184

0XB8

DIGITAL INPUT 3
TIME VALUE

Read &
Write
Memory

40186

185

0xB9

DIGITAL INPUT 3
SETPOINT

Read &
Write
Memory

40187

186

0xBA

DIGITAL INPUT 3
DIFFERENTIAL

Read &
Write
Memory

40188

187

0xBB

DIGITAL INPUT 4
CONFIGURATIO MODE

Read &
Write
Memory

40189

188

0xBC

DIGITAL INPUT 4
TIME VALUE

Read &
Write
Memory

40190

189

0xBD

DIGITAL INPUT 4
SETPOINT

Read &
Write
Memory

40191

190

0xBE

DIGITAL INPUT 4
DIFFERENTIAL

Read &
Write
Memory

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 62 / 73

7 List of supported temperature sensors

No 1 No

2

Sensor

10K3A1

Sensor

10K4A1

β coeffictient

3975K

β coeffictient

3695K

Manufacturers

Aquatrol, Cylon, Honeywell,

Johnson, Satchwell,

Seachange

Manufacturers

Andover, Delta

Controls, Siebe, York

°C Ω °C

Ω

-50

667828

-50

441667

-45

491749

-45

330749

-40

335671

-40

239831

-35

241840

-35

181532

-30

176683

-30

135233

-25

131251

-25

105081

-20

96974

-20

78930

-15

72895

-15

61030

-10

55298

-10

47549

-5

42314

-5

37316 0 32650

0

29490 5 25396

5

23462

10

19904

10

18787

15

15714

15

15136

20

12494

20

12268

25

10000

25

10000

30

8056

30

8197

35

6530

35

6754

40

5325

40

5594

45

4367

45

4656

50

3601

50

3893

55

2985

55

3271

60

2487

60

2760

65

2082

65

2339

70

1751

70

1990

75

1480

75

1700

80

1256

80

1458

85

1070

85

1255

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 63 / 73

No 1 No

2

90

916

90

1084

95

787

95

939

100

678

100

817

105

587

105

713

110

510

110

624

115

444

115

547

120

388

120

482

125

340

125

426

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 64 / 73

No 3 No

4

Sensor

10K Carel

Sensor

20K6A1

β coeffictient

3435K

β coeffictient

4262K

°C

Ω

Manufacturers

Honeywell

-50

329500

°C

Ω

-45

247700

-40

806800

-40

188500

-35

574400

-35

144100

-30

413400

-30

111300

-25

300400

-25

86430

-20

220600

-20

67770

-15

163480

-15

53410

-10

122260

-10

42470

-5

92220

-5

33900

0

70140 0 27280

5

53780 5 22050

10

41540

10

17960

15

32340

15

14690

20

25340

20

12090

25

20000

25

10000

30

15886

30

8313

35

12698

35

6940

40

10212

40

5827

45

8260

45

4912

50

6718

50

4161

55

5494

55

3536

60

4518

60

3020

65

3732

65

2588

70

3098

70

2228

75

2586

75

1924

80

2166

80

1668

85

1823

85

1451

90

1541

90

1266

95

1308

95

1108

100

1114

100

973

105

953

105

857

110

818

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 65 / 73

No 3 No

4

110

758

115

704

115

672

120

609

120

597

125

528

125

531

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 66 / 73

No 5 No

6

Sensor

2.2K3A1

Sensor

3K3A1

β coeffictient

3975K

β coeffictient

3975K

Manufacturers

Ambiflex, Johnson

Manufacturers

Alerton

°C Ω °C

Ω

-50

329500

-50

200348

-45

247700

-45

150524

-40

188500

-40

100701

-35

144100

-35

76853

-30

111300

-30

53005

-25

86430

-25

41048

-20

67770

-20

29092

-15

53410

-15

21868

-10

42470

-10

16589

-5

33900

-5

12694 0 27280

0

9795 5 22050

5

7619

10

17960

10

5971

15

14690

15

4714

20

12090

20

3748

25

10000

25

3000

30

8313

30

2417

35

6940

35

1959

40

5827

40

1598

45

4912

45

1310

50

4161

50

1080

55

3536

55

896

60

3020

60

746

65

2588

65

625

70

2228

70

526

75

1924

75

444

80

1668

80

377

85

1451

85

321

90

1266

90

275

95

1108

95

236

100

973

100

204

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 67 / 73

No 5 No

6

105

857

105

176

110

758

110

153

115

672

115

133

120

597

120

117

125

531

125

102

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 68 / 73

No 7 No

8

Sensor

30K6A1

Sensor

SIE1

β coeffictient

4262K

Manufacturers

Barber Colman, Siebe

Manufacturers

Drayton

°C Ω °C

Ω

-50

10732

-30

622911

-45

10624

-25

477393

-40

10517

-20

331876

-35

10344

-15

245785

-30

10172

-10

183697

-25

9913

-5

138502

-20

9654 0 105305

-15

9320 5 60713

-10

8933

10

62347

-5

8496

15

48511

0

8044

20

38019

5

7489

25

30000

10

6938

30

23828

15

6370

35

19046

20

5798

40

15317

25

5238

45

12390

30

4696

50

10079

35

4185

55

8243

40

3707

60

6777

45

3271

65

5600

50

2875

70

4650

55

2521

75

3879

60

2206

80

3251

65

1929

85

2737

70

1685

90

2313

75

1472

95

1963

80

1287

100

1672

85

1127

105

1430

90

986

110

1228

95

866

115

1058

100

760

120

915

105

670

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 69 / 73

No 7 No

8

125

793

110

590

115

522

120

462

125

410

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 70 / 73

No 9 No

10

Sensor

TAC1

Sensor

SAT1

β coeffictient

3500K

Manufacturers

Satchwell

Manufacturers

TAC

°C Ω °C

Ω

-50

9719

-40

39024

-45

9652

-35

29358

-40

9584

-30

22284

-35

9467

-25

17073

-30

9349

-20

13192

-25

9159

-15

10276

-20

8968

-10

8068

-15

8708

-5

6382

-10

8396 0 5085

-5

8031 5 4078

0

7614

10

3294

5

7150

15

2676

10

6649

20

2188

15

6121

25

1800

20

5580

30

1488

25

5039

35

1237

30

4513

40

1034

35

4012

45

869

40

3545

50

733

45

3117

55

622

50

2730

60

529

55

2386

65

453

60

2082

70

389

65

1816

75

335

70

1585

80

290

75

1385

85

252

80

1213

90

220

85

1064

95

192

90

937

100

169

95

828

105

149

100

734

110

131

105

654

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 71 / 73

No 9 No

10

115

116

110

585

120

103

115

525

125

92

120

474

125

429

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 72 / 73

No

16

No

16

Sensor

Pt1000

Sensor

Pt1000

Manufacturers

Honeywell, Sauter, Serck,

Siebe, Cylon

Manufacturers

Honeywell, Sauter,

Serck, Siebe, Cylon

°C Ω °C

Ω

-50

803,1

310

2156,1

-40

842,7

320

2191,5

-30

882,2

330

2226,8

-20

921,6

340

2262,1

-10

960,9

350

2297,2 0 1000,0

360

2332,1

10

1039,0

370

2367,0

20

1077,9

380

2401,8

30

1116,7

390

2436,4

40

1155,4

400

2470,9

50

1194,0

60

1232,4

No

17

70

1270,8

Sensor

Ni1000

80

1309,0

Manufacturers

Sauter

90

1347,1

°C

Ω

100

1385,1

-50

742,6

110

1422,9

-40

791,3

120

1460,7

-30

841,5

130

1498,3

-20

893,0

140

1535,8

-10

945,8

150

1573,3

0

1000,0

160

1610,5

10

1055,5

170

1647,7

20

1112,4

180

1684,8

30

1170,6

190

1721,7

40

1230,1

200

1758,6

50

1291,1

210

1795,3

60

1353,4

220

1831,9

70

1417,2

230

1868,4

80

1482,5

240

1904,7

90

1549,4

250

1941,0

100

1617,8

MINI and MIX Series I/O modules/Modbus

version 1.3 www.gc5.pl Page 73 / 73

No

16

No

16

260

1977,1

110

1687,9

270

2013,1

120

1759,8

280

2049,0

130

1833,4

290

2084,8

140

1909,0

300

2120,5

150

1986,6