Hach sc200 User Manual

• ModBUS Port
• See ModBUS data table definition in this addendum.
During the calibration process, the transmitter is in
Maintenance mode, all alarming is inhibited for all sensors,
and transmitter will not alert user to potential hazardous sit-
uations.
• During the calibration of a sensor, a ModBUS request for the gas
level returns the actual value. The other sensors on that specific
transmitter are not active. A gas level of -99.9 will be returned to
indicate that.
ModBUS Communications
Baud rate and data format defaults per data table specification are
adjustable by using a:
• Hand-held Controller or
• ModBUS command.
Each transmitter:
• Is a slave on the communications network
• Must have a unique address and serial format compatible with
transmitter configuration.
"
WARNING
Figure 2-4. Push-button Wiring
2-7

Hach sc200 Specifications

General

Enclosure Rating	NEMA 4X/IP66
Operating Temperature	-20 to 60 °C (-4 to 140 °F)
Ambient Temperature	-20 to 60 °C (-4 to 140 °F)
Enclosure Material	Polycarbonate
Operating Humidity	0 to 95% non-condensing
Relay Outputs	Up to 4 SPDT relays
Storage Conditions	-40 to 70 °C (-40 to 158 °F)
Display	Graphical LCD
Inputs	2 digital sensor inputs
Outputs	4-20 mA
Power Supply	100 to 240 VAC, 50/60 Hz
Analog Outputs	2 or 4, 0/4-20 mA
Certifications	CE
Communication	Modbus RTU, HART
Dimensions	144 x 144 mm
Mounting	Panel mount
Output	4-20 mA
Power Requirements (Voltage)	100 to 240 VAC
Warranty	1 year
Weight	1.2 kg