See the following tables for configuration settings.
Configuring display module settings (BACnet)
| 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)
| 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.
| 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
| 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
| 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
| 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.
| 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.
| 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
