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MOD3.103

 V1.00 - 1/23

SRI-75 and SRI-P75 Series Modbus 

/ BACnet Room Interfaces

The SRI-75 series Modbus / BACnet Touchscreen user interfaces 
provide modern looking low profile user interface and I/O-module 
for flush mounting in room spaces.

The SRI-75 series interfaces have attractive 3.5" backlit 
touchscreen with smart designer interface. SRI-P75 versions have 
7-day time clock to provide network clock facility.

The MOD models have built-in Modbus RTU communications and 
the BAC models provide BACnet MS/TP communications. 

Features

• 24VAC/DC Power Supply
• 3.5" Inch Backlit Touchscreen Display
• BACnet and Modbus Communication Models
• P-Versions have 7 Day and 5+2 Day Schedule
• Flush Mounting in the UK, EURO and US Wall Mounting Box
• Attractive Modern Designer Look
• Built-In Temperature Sensor
• 2 x Remote NTC10 Sensor Inputs

• 24V 5A Switched Network Relay 
• Digital Input for Overrides / Measurement

Product sheet   

MOD3.103

Type 

SRI-75

Model Type

Model

Description

SRI-75-MOD

Modbus 3.5" Touchscreen User Interface, 24Vac/dc Power 
Supply, Extra Low Voltage

SRI-75-BAC

BACnet MS/TP 3.5" Touchscreen User Interface, 24Vac/dc 
Power Supply, Extra Low Voltage

SRI-P70-MOD

Modbus 3.5" Touchscreen User Interface with 7-Day Time 
Clock, 24Vac/dc Power Supply, Extra Low Voltage

SRI-P70-BAC

BACnet MS/TP 3.5" Touchscreen User Interface with 7-Day 
Time, 24Vac/dc Power Supply, Extra Low Voltage

RH

Relative Humidity Option, 2%rH Accurate

Summary of Contents for SRI-75 Series

Page 1: ...h Backlit Touchscreen Display BACnet and Modbus Communication Models P Versions have 7 Day and 5 2 Day Schedule Flush Mounting in the UK EURO and US Wall Mounting Box Attractive Modern Designer Look B...

Page 2: ...et MS TP Interface RS485 maximum 63 devices segment MAC Addressing 0 to 127 via Touchscreen Device ID Default 651000 MAC Address User Configured Communication 9k6 19k2 38k4 57k6 76k8 Baud Parity None...

Page 3: ...A DI1 RI2 RI1 Wiring Details WARNING Switch off the power before any wiring is carried out RELAYOUT 24VAC 30VDC 5A Relay Contact RELAYCOM 24VAC 30VDC 5A Relay Contact 24V 24Vac dc Supply 0V 0V Supply...

Page 4: ...1 C SRI 75 WITH ON BLUE DISPLAY SRI 75 WITH FAN SPEED DEG C 21 5 C Room 20 1 C A CONTROL MODE AUTO HEATING COOLING FAN VENTILATION FAN F C F C F C The SRI 75 room interface home screen has four touch...

Page 5: ...he configuration pages By setting the description to Disabled the sensor reading is not displayed on the screen Note If all sensor displays are Disabled the ACTION CIRCLE displays the last drawn image...

Page 6: ...r will need to enter the Staff Code to enter the screen Fan Speed Display and Manual Override The SRI75 has fan icon and line bar to indicate the fan speed It is also possible to use the line bar only...

Page 7: ...e speed set over the network 2 STEP AUTO fan speed rotates between OFF M 3 segments M 6 segments M and Auto A When auto is selected the display returns to show the speed set over the network 3 STEP AU...

Page 8: ...an be disabled through configuration settings When disabled the user cannot cancel the ECO mode OFF Mode Icon The SRI can be switched to OFF mode via the touchscreen digital volt free input e g time c...

Page 9: ...t on the relay Frost Icon Frost icon can be set via network to display frost condition or defrosting 71 5 F Room 20 1 F Target A FROST ICON F C Cleaning Mode After entering FURTHER INFORMATION screen...

Page 10: ...Only SCHEDULES ONLY Allows adjustment of the Programmed Times NO INPUT All Buttons Locked Alarm Display When entering FURTHER INFORMATION AND SETTINGS screen and an alarm is active select the alarm i...

Page 11: ...reen on power up Calibrate the screen by swiping to the all four edges of the screen and then press OK to accept the new settings Programming Schedule SRI P75 Only The SRI P75 user interfaces have up...

Page 12: ...dj Maximum Adjustable Setpoint 0 0 99 9 C F Default 86 0 F INPUTS Parameter Name Description Range Sensor 1 Source Sensor 1 Source When set to Hardware reads RI1 status monitoring over the network is...

Page 13: ...G MODES Parameter Name Description Range DISPLAY Parameter Name Description Range Brightness Backlight Brightness 0 20 default 5 Enable Lights Icon Enable Lights Icon Network Variable 0 Disabled defau...

Page 14: ...ool 16 Cabin Sensor 2 Text Description for the Sensor2 RI2 Network Default 0 Disabled Note Disabled removes Sensor1 Text and Measurement from Display Sensor 3 Text Description for the Sensor3 Built In...

Page 15: ...Output Status 0 1 Off On 102 Time Clock Status SRI P70 Only 0 1 Off On 103 Light Switch Status 0 1 Off On 104 A C Switch Status 0 1 Off On 105 OFF Mode Status 0 1 Off On 106 Screen Lock Status 0 1 Of...

Page 16: ...Default 108 Sensor 1 Network Temperature Signed 16 580 1220 58 0 122 0 C F Default 0 0 109 Fan Manual Control Mode Unsigned 16 0 4 0 Disabled default 1 1 Step 2 2 Step 3 3 Step 4 6 Step 5 1 Step Auto...

Page 17: ...to None otherwise the user cannot set unset Unsigned 16 0 2 0 None default 1 Override On 2 Override Off 132 Override Lock Mode Note The parameter returns automatically to 0 allowing local control Unsi...

Page 18: ...t Unsigned 16 0 1 0 1 Default 0 210 Tuesday Weekend Switching Time 1 Unsigned 16 0 2400 0 2400 Default 0600 211 Tuesday Weekend Switching Time 2 Unsigned 16 0 2400 0 2400 Default 1000 212 Tuesday Week...

Page 19: ...54 Saturday Switching Time 4 Unsigned 16 0 2400 0 2400 Default 1700 255 Saturday Switching Time 1 Target Unsigned 16 0 1 0 1 Default 0 256 Saturday Switching Time 2 Target Unsigned 16 0 1 0 1 Default...

Page 20: ...Humidity Measurement AI 3 Sensor 1 RI1 AI 4 Sensor 2 RI2 Analogue Value 5 AV 0 Nominal Setpoint AV 1 Sensor 1 Temp AV 2 Sensor 2 Temp AV 3 Sensor 3 Temp AV 4 Brightness Binary Input 4 BI 0 Digital Inp...

Page 21: ...guration parameters through the SRT touchscreen Property Name ID Attributes Range Default Object Identifier R W 20 Object Name R W 32 Characters Max Concatenation of product type and MAC address i e S...

Page 22: ...Enabled 40117 Lock Mode Unsigned 0 Lock mode disabled default 1 On Off Boost workable only 2 Temp settings only available 3 All buttons disabled 40118 Show Unit Swap Icon Unsigned 0 Disabled 1 Enabled...

Page 23: ...ater 14 Tank 15 Pool 16 Cabin 40140 Sensor 2 Text RI2 Network Default 0 Disabled Note Disabled removes the text and measurement from the display Unsigned 40141 Sensor 3 Text Built in Network Sensor De...

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