Module settings - Triatek - LIT-12014409 - HMS1655 Fume Hood Controller

HMS1655 Fume Hood Controller User Guide

Product name
HMS1655 Fume Hood Controller
Document type
User Guide
Document number
LIT-12014409
Revision date
2024-05-27
Product status
Discontinued

See the following tables for configuration settings.

Configuring display module settings (BACnet)

Table 1. Options DIP switch (S1) – internal use only
Description    
Graphics Chip Mode Selection OFF = Programming Mode ON = Run Mode
Touchscreen Calibration Mode OFF = Force calibration ON = Auto calibration
Reserved n/a n/a
Reserved n/a n/a
Options DIP switch (S2) – mode configuration 1
Product Type OFF = FMS/HMS ON = CMS1655
Remote Display OFF = Disabled ON = Enabled
Mode Select OFF = FMS1655 ON = HMS1655
Operational Mode: OFF = Demo Mode ON = Run Mode
Switch (SW1) Reset Button n/a
Switch (SW2) Reserved n/a

Configuring main controller module settings (BACnet)

Table 2. Analog input configuration DIP switch (S1)
Description DIP switch off DIP switch on
AI-1 Mode Selection OFF = Voltage input ON = Current input
AI-2 Mode Selection OFF = Voltage input ON = Current input
AI-3 Mode Selection OFF = Voltage input ON = Current input
AI-4 Mode Selection OFF = Voltage input ON = Current input
AI-1 Voltage Range Selection OFF = 0 VDC to 5 VDC ON = 0 VDC to 10 VDC
AI-2 Voltage Range Selection OFF = 0 VDC to 5 VDC ON = 0 VDC to 10 VDC
AI-3 Voltage Range Selection OFF = 0 VDC to 5 VDC ON = 0 VDC to 10 VDC
AI-4 Voltage Range Selection OFF = 0 VDC to 5 VDC ON = 0 VDC to 10 VDC
Analog output configuration DIP switch (S3)
AO-1 Mode Selection OFF = Current output ON = Voltage output
AO-2 Mode Selection OFF = Current output ON = Voltage output
AO-3 Mode Selection OFF = Current output ON = Voltage output
AO-4 Mode Selection OFF = Current output ON = Voltage output
Network configuration DIP switch (S3)
RS485 Network Termination OFF = Disabled ON = Enabled
RS485 Display Termination OFF = Disabled ON = Enabled
Protocol Select: see Protocol selection settings for more information. n/a n/a
Protocol Select: see Protocol selection settings for more information. n/a n/a
Note: To configure HMS1655 for sidewall velocity sensor, set DIP switch positions 1 and 5 to OFF. To configure HMS1655 for sash position sensor at AI-3 (default), set DIP switch position 3 to OFF and DIP switch position 7 to ON. For other inputs, see the following table.

Configurations and settings (BACnet)

Note: Do not select not valid configurations for analog inputs.
Table 3. Analog input configuration settings (S1)
Mode S1-1 S1-2 S1-3 S1-4 S1-5 S1-6 S1-7 S1-8
AI-1 5 VDC OFF       OFF      
AI-1 20 mA ON       OFF      
AI-1 10 VDC OFF       ON      
Not Valid ON       ON      
AI-2 5 VDC   OFF       OFF    
AI-2 20 mA   ON       OFF    
AI-2 10 VDC   OFF       ON    
Not Valid   ON       ON    
AI-3 5 VDC     OFF       OFF  
AI-3 20 mA     ON       OFF  
AI-3 10 Vdc     OFF       ON  
Not Valid     ON       ON  
AI-4 5 VDC       OFF       OFF
AI-4 20 mA       ON       OFF
AI-4 10 VDC       OFF       ON
Not Valid       ON       ON

Protocol selection settings

Table 4. Protocol selection settings (S3)
Protocol selection S3-7 S3-8
Reserved (invalid) OFF OFF
Metasys N2 ON OFF
LonWorks® (invalid) OFF ON
BACnet MS/TP (default) ON ON

Controller configuration DIP switch

Table 5. Controller configuration DIP switch (S4)
Description DIP switch off DIP switch on
AO-1 Voltage Range Selection OFF = 0 VDC to 10 VDC ON = 0 VDC to 5 VDC
AO-2 Voltage Range Selection OFF = 0 VDC to 10 VDC ON = 0 VDC to 5 VDC
AO-3 Voltage Range Selection OFF = 0 VDC to 10 VDC ON = 0 VDC to 5 VDC
AO-4 Voltage Range Selection OFF = 0 VDC to 10 VDC ON = 0 VDC to 5 VDC

Controller configuration slide switch

Table 6. Slide switches
Controller configuration slide switch (S2) Controller configuration slide switch (S5):
LEFT = Analog Outputs powered by remote source LEFT = Digital Inputs pulled-high, triggered by active low input - default.
RIGHT = Analog Outputs powered locally by HMS1655 (default) RIGHT = Digital inputs pulled-low, triggered by active high input, up to 24 VDC.

BACnet objects

The following table itemizes the list of points available for integration in a building automation system (BAS). This table contains the objects for open BACnet integration.

Table 7. BACnet objects integration points
Object instance Functional description Read/write
Analog inputs
AI - 1 Analog Input 1. Default: fume hood face velocity. Read-only
AI - 2 Analog Input 2. Default: sash position sensor. Read-only
AI - 3 Analog Input 3. Default: DP sensor. Read-only
AI - 4 Analog Input 4. Default: exhaust air flow volume. Read-only
AI - 5 Thermistor Input . Default: ambient temperature. Read-only
AI - 6 Thermistor Input 2. Default: duct temperature. Read-only
Analog outputs
AO - 1 Analog Output 1. Default: exhaust damper position. Read-only
AO - 2 Analog Output 2. Spare control output. Read-only
AO - 3 Analog Output 3. Spare control output. Read-only
AO - 4 Analog Output 4. Spare control output. Read-only
Binary inputs
BI - 1 Digital Input 1. Default: fume hood sash switch. Read-only
BI - 2 Digital Input 2. Default: spare digital input. Read-only
BI - 3 Digital Input 3. Spare digital input. Read-only
BI - 4 Digital Input 4. Spare digital input. Read-only
Binary outputs
BO - 1 Relay Output 1. Default: primary alarm relay output. Read-only
BO - 2 Relay Output 2. Default: secondary alarm relay. Read-only
BO - 3 Relay Output 3. Spare relay output. Read-only
BO - 4 Relay Output 4. Spare relay output. Read-only
Binary values
BV-1 Occupancy Status Read/write
BV-2 Emergency Purge - max flow Read/write
Analog values
AV - 1 AI-1 Setpoint. Fume hood face velocity setpoint. Read/write
AV - 2 AI-2 Setpoint Read/write
AV - 3 AI-3 Setpoint Read/write
AV - 4 AI-4 Setpoint Read/write
AV - 5 TI-1 Setpoint. Ambient temperature setpoint. Read/write
AV - 6 TI-2 Setpoint Read/write
AV - 7 Air Change Rate based on Flow Input at AI-1 Read/write
AV - 8 Air Change Rate based on Flow Input at AI-2 Read/write
AV - 9 Air Change Rate based on Flow Input at AI-3 Read/write
AV - 10 Air Change Rate based on Flow Input at AI-4 Read/write
AV - 11 Total Air Changes. AI-3/4. Read/write
AV - 12 Alarm Relay 1 High Setpoint Read/write
AV - 13 Alarm Relay 1 Low Setpoint Read/write
AV - 14 Alarm Relay 2 High Setpoint Read/write
AV - 15 Alarm Relay 2 Low Setpoint Read/write
AV - 16 Alarm Relay 3 High Setpoint Read/write
AV - 17 Alarm Relay 3 Low Setpoint Read/write
AV - 18 Alarm Relay 4 High Setpoint Read/write
AV - 19 Alarm Relay 4 Low Setpoint Read/write
AV - 20 AI-1 Low Alarm Setpoint. Low face velocity alarm. Read/write
AV - 21 AI-1 Low Warning Setpoint. Low face velocity warning. Read/write
AV - 22 AI-1 High Warning Setpoint. High face velocity warning. Read/write
AV - 23 AI-1 High Alarm Setpoint. High face velocity alarm. Read/write
AV - 24 AI-2 Low Alarm Setpoint Read/write
AV - 25 AI-2 Low Warning Setpoint Read/write
AV - 26 AI-2 High Warning Setpoint Read/write
AV - 27 AI-2 High Alarm Setpoint Read/write
AV - 28 AI-3 Low Alarm Setpoint Read/write
AV - 29 AI-3 Low Warning Setpoint Read/write
AV - 30 AI-3 High Warning Setpoint Read/write
AV - 31 AI-3 High Alarm Setpoint Read/write
AV - 32 AI-4 Low Alarm Setpoint Read/write
AV - 33 AI-4 Low Warning Setpoint Read/write
AV - 34 AI-4 High Warning Setpoint Read/write
AV - 35 AI-4 High Alarm Setpoint Read/write
AV - 36 TI-1 Low Alarm Setpoint Read/write
AV - 37 TI-1 Low Warning Setpoint Read/write
AV - 38 TI-1 High Warning Setpoint Read/write
AV - 39 TI-1 High Alarm Setpoint Read/write
AV - 40 TI-2 Low Alarm Setpoint Read/write
AV - 41 TI-2 Low Warning Setpoint Read/write
AV - 42 TI-2 High Warning Setpoint Read/write
AV - 43 TI-2 High Alarm Setpoint Read/write
AV - 44 Writable Network Variable: Humidity Read/write
AV - 45 Writable Network Variable: Temperature Read/write
AV - 46 Writable Network Variable: Air Changes Read/write
AV - 47 Writable Network Variable: Differential Pressure Read/write
AV - 48 Device ID Offset. Range: 0 to 4,194,000. Read/write
AV - 49 Duct Air Flow based on AI-1 flow input Read-only
AV - 50 Duct Air Flow based on AI-2 flow input Read-only
AV - 51 Duct Air Flow based on AI-3 flow input: Supply Flow Read-only
AV - 52 Duct Air Flow based on AI-4 flow input: Exhaust Flow Read-only
AV - 53 Volumetric Offset Supply Flow: Exhaust Flow Read-only
AV - 54 Volumetric Offset Setpoint Read/write
AV - 55 AO-1 Override Level Read/write
AV - 56 AO-2 Override Level Read/write
AV - 57 AO-3 Override Level Read/write
AV - 58 AO-4 Override Level Read/write
AV - 59 AI-1 Deadband Setting Read/write
AV - 60 AI-2 Deadband Setting Read/write
AV - 61 AI-3 Deadband Setting Read/write
AV - 62 AI-4 Deadband Setting Read/write
AV - 63 TI-1 Deadband Setting Read/write
AV - 64 TI-2 Deadband Setting Read/write
Multistate objects
MSO - 1 Fume Hood Operating Mode: 1 = occupied Read/write
MSO - 2 Secondary Operating Mode: 1 = occupied Read/write
MSO - 3 Fume Hood Face Velocity Alarm Status: 1 = normal Read-only
MSO - 4 Secondary Face Velocity Alarm Status: 1 = normal Read-only
MSO - 5 AI-3 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
MSO - 6 AI-4 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
MSO - 7 TI-1 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
MSO - 8 TI-2 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only

Metasys N2 objects

The following table itemizes the list of points available for integration in a Metasys controller. This table contains the objects for open Metasys N2 integration.

Table 8. Metasys N2 objects integration points
Object instance Functional description Read/write
Analog inputs
AI - 1 Analog Input 1. Default: fume hood face velocity. Read-only
AI - 17 Analog Input 2. Default: secondary face velocity. Read-only
AI - 18 Analog Input 3. Default: sash position sensor. Read-only
AI - 19 Analog Input 4. Default: exhaust air flow volume. Read-only
AI - 20 Thermistor Input 1. Default: ambient temperature. Read-only
AI - 21 Thermistor Input 2. Default: spare temperature input. Read-only
Analog outputs
AO - 1 Analog Output 1. Default: primary exhaust damper control. Read-only
AO - 11 Analog Output 2. Default: supply/exhaust damper control. Read-only
AO - 12 Analog Output 3. Spare control output. Read-only
AO - 13 Analog Output 4. Spare control output. Read-only
Binary Inputs
BI - 3 Digital Input 1. Default: fume hood sash switch. Read-only
BI - 4 Digital Input 2. Default: secondary sash switch. Read-only
BI - 5 Digital Input 3. Spare digital input. Read-only
BI - 6 Digital Input 4. Spare digital input. Read-only
Binary outputs
BO - 1 Relay Output 1. Default: primary alarm relay output. Read-only
BO - 2 Relay Output 2. Spare relay output. Read-only
BO - 3 Relay Output 3. Spare relay output. Read-only
BO - 4 Relay Output 4. Spare relay output. Read-only
Internal float values
ADF - 1 PID Control Loop 1 Setpoint. Fume hood face velocity setpoint. Read/write
ADF - 2 Primary Alarm Relay High Setpoint Read/write
ADF - 3 Primary Alarm Relay Low Setpoint Read/write
ADF - 4 Secondary Alarm Relay High Setpoint Read/write
ADF - 5 Secondary Alarm Relay Low Setpoint Read/write
ADF - 8 AI-1 Low Alarm Setpoint. Low face velocity alarm setpoint. Read/write
ADF - 9 AI-1 Low Warning Setpoint .Low face velocity warning setpoint. Read/write
ADF - 10 AI-1 High Warning Setpoint. High face velocity warning setpoint. Read/write
ADF - 11 AI-1 High Alarm Setpoint. High face velocity alarm setpoint. Read/write
ADF - 13 PID Control Loop 2 Setpoint Read/write
ADF - 14 PID Control Loop 3 Setpoint Read/write
ADF - 15 PID Control Loop 4 Setpoint Read/write
ADF - 16 Air Change Rate based on Flow Input at AI-1 Read-only
ADF - 17 Air Change Rate based on Flow Input at AI-2 Read-only
ADF - 18 Air Change Rate based on Flow Input at AI-3 Read-only
ADF - 19 Air Change Rate based on Flow Input at AI-4 Read-only
ADF - 20 Alarm Relay 3 High Setpoint Read/write
ADF - 21 Alarm Relay 3 Low Setpoint Read/write
ADF - 22 Alarm Relay 4 High Setpoint Read/write
ADF - 23 Alarm Relay 4 Low Setpoint Read/write
ADF - 24 AI-2 Low Alarm Setpoint Read/write
ADF - 25 AI-2 Low Warning Setpoint Read/write
ADF - 26 AI-2 High Warning Setpoint Read/write
ADF - 27 AI-2 High Alarm Setpoint Read/write
ADF - 28 AI-3 Low Alarm Setpoint Read/write
ADF - 29 AI-3 Low Warning Setpoint Read/write
ADF - 30 AI-3 High Warning Setpoint Read/write
ADF - 31 AI-3 High Alarm Setpoint Read/write
ADF - 32 AI-4 Low Alarm Setpoint Read/write
ADF - 33 AI-4 Low Warning Setpoint Read/write
ADF - 34 AI-4 High Warning Setpoint Read/write
ADF - 35 AI-4 High Alarm Setpoint Read/write
ADF - 36 TI-1 Low Alarm Setpoint Read/write
ADF - 37 TI-1 Low Warning Setpoint Read/write
ADF - 38 TI-1 High Warning Setpoint Read/write
ADF - 39 TI-1 High Alarm Setpoint Read/write
ADF - 40 TI-2 Low Alarm Setpoint Read/write
ADF - 41 TI-2 Low Warning Setpoint Read/write
ADF - 42 TI-2 High Warning Setpoint Read/write
ADF - 43 TI-2 High Alarm Setpoint Read/write
ADF - 44 Humidity Network Variable: writable Read/write
ADF - 45 Temperature Network Variable: writable Read/write
ADF - 46 Air Changes Network Variable: writable Read/write
ADF - 47 Differential Pressure Network Variable: writable Read/write
ADF - 48 Air Flow based on Flow Input at AI-1 Read-only
ADF - 49 Air Flow based on Flow Input at AI-2 Read-only
ADF - 50 Air Flow based on Flow Input at AI-3. Default: supply flow. Read-only
ADF - 51 Air Flow based on Flow Input at AI-4. Default: exhaust flow. Read-only
ADF - 52 Volumetric Offset. Supply Flow: exhaust flow) Read-only
Internal integer values
ADI - 1 Fume Hood Operating Mode: 1 = occupied, 2 = unoccupied, 3 = Decommissioned Read/write
ADI - 7 Secondary Operating Mode: 1 = occupied, 2 = unoccupied, 3 = Decommissioned Read/write
ADI - 8 AI-2 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
ADI - 9 AI-3 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
ADI - 10 AI-4 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
ADI - 11 TI-1 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only
ADI - 12 TI-2 Alarm Status: 1 = normal, 2 = warning, 3 = alarm Read-only

Flow diagrams

See the following figures for flow diagrams.

Figure 1. Unit setup tree
Figure 2. System setup tree
Figure 3. Display setup tree
Figure 4. Diagnostics setup tree