Overview; General Information; Technical Specifications - Danfoss DGS-SC Installation And Operation Manual

Installation and Operation Guide | DGS Modbus

1. Overview

1.1 General Information

The DGS Modbus is a state-of-the-art fixed gas detector which can
detect a wide range of gases. It can also activate external systems
such as fans or shut down and activate sirens, warning lights,
activate dial out systems, or connect to BMS systems including
Danfoss AK-SM 720/ AK-SM 350 and the AK-SM 800 series.
The DGS Modbus can be used:
• in new buildings/areas that require continuous monitoring.
• to add gas detection solutions to an existing system.

1.2 Technical Specifications

Power Supply 12/24V AC/DC ±20%, 50/60 Hz, 2 W max.
Power Consump- SC:153mA / IR: 136mA
tion
Power Monitoring Green LED indication
Visual Alarm RED LED indication
Audible Alarm Buzzer, enabled/disabled
Fault Monitoring Red LED ON ~ Green LED OFF
Fault State 0 - 0.5V (1-5V), 0 - 1V(2-10V), 0 - 2mA (4-20mA)
Analogue Outputs
0-5V, 1-5V, 0-10V, 2-10V, 4-20mA
Digital Outputs 1-Relay, SPDT, Failsafe configured by Modbus or
by product selection
1-Amp / 24V A.C./D.C. / 120V A.C.
Configurable delay by Modbus or by jumper
configuration: 0, 1min., 5min., 10min.
IP Enclosure rating IP 41 or IP 66
Temperature Rat-
IP 41: -20°C to +50°C ( -4°F to 122°F )
ings
IP 66: -40°C to +50°C (-40°F to +122°F )
Dimensions/ IP41
Weights per Enclo-
sure Type
IP66
IP66 w/
Remote
Sensor
IP66 Airflow/
Duct *
RS-485 Communi- Baud rate : 9,600, 19,200 or 38,400 (default)
cations Start bits:
Parity:
Retry time: 500ms (min time between retries)
End of message: silent 3.5 characters
Approvals
* See appendix A for supported air flows and duct sizes
© Danfoss | ADAP-KOOL® | 2016.12
86 x 142 x 53 mm 180 g
3.35" x 5.59" x 2.09" 6.3 oz
175 x 165 x 82 mm 629 g
6.89" x 6.5" x 3.29" 1 lb 6 oz
175 x 155 x 82 mm 790 g
6.89" x 6.1" x 3.29" 1 lb 11 oz
175 x 125 x 82 mm 578 g
6.89" x 4.9" x 3.29" 1 lb 4 oz
1 Data bits: 8
even Stop bits: 1
IEC61010-1 RoHS WEEE
RS8HJ102 | 3