User Guide
Control Room Unit for Model 9100 Carbon Monoxide Monitors
9
Technical Specification
System
Type:
(Remote Display) Control Room Unit
Compatibility:
Model 9100
Communications:
Modbus over RS485, 2 Wire Connection
Installation:
Up to 1200 m / 4000 ft from the analyser
Displays
Display:
Touch-screen LCD with LED Backlight
Keypad:
24 alphanumeric keys
Display Formats:
Large Text
Inputs & Outputs
Analog outputs:
Two 4-20mA outputs, selectable 0-100 ppm to 0-10000 ppm
Maximum impedance 500 ohms
Alarm relays:
Two alarm relays, limits 10 ppm to 10000 ppm
Status relays:
System OK and Fault relays
Relays:
SPST (Form A). All relays share a common terminal
Max current 2 A, Max voltage 240 Vac, 30 Vdc
Electrical Data
Power Supply:
24 V d.c.; Range 20.4 to 28.8 V
Power Consumption:
8 W
Environmental Data
Operating Temp.:
0 to 50 °C / 32 to 122 °F
Environmental Protection:
Front IP65 / NEMA 4X; Rear IP20 / NEMA 1
Electrical Safety:
EN 61131-2
EMC:
EN 61000-6-2, EN 61000-6-3, EN 61000-6-4
Mechnical Data
Dimensions:
184 mm/7.2” wide x 155 mm/6.1” high
x 61 mm/2.4” deep (without I/O)
x 85 mm/3.3 “ deep (with I/O fitted)
Weight:
0.86 kg / 30 oz without I/O;
1.14 kg / 40 oz with I/O
Mounting:
Panel Mounting
Power Supply Unit (24 V d.c.)
93 - 264 V a.c. universal input, 1.25 A output
(Land Part No. 404.156)
