Sierra Monitor Corporation 5100-06-IT - Manual (Page 24)

Model 5100-XX-IT Toxic Gas Sensor Module
Page: 20
5.4 SET-UP
The sensor module set-points menu is used to initially set-up the alarm set points, relay actions, gas type and
range, 4-20 mA action or RS-485/Sentry address and baud rates, Digital Input and Warm-up time. Use the [▲]
or [▼] keys to select following menus and press [E] to select.
• Alarms: Use the [▲] or [▼] keys to select Low Alarm (Warning) or High Alarm (Alarm) menu. Key
[▲] will adjust the setpoint upwards and Key [▼] will adjust the value downwards. Once it reaches
the desired setpoint, Key [E] will accept it and ACK will appear.
Set-points can be configured using this menu up to the following values:
NOTE: To enable rising O2 Alarm set warning setpoint higher than 20.9%
• Relays: Use the [▲] or [▼] keys to select High Alarm (Alarm) or Low Alarm (Warning) relay menu
and press [E]. Use the [▲] or [▼] keys to select the correct alarm relay action for the application,
Latch, Sentry or Non-Latch. Selecting “Sentry” enables the Sentry controller to make all alarm
action decisions. * indicates the current selection.
• Range: Use the [▲] or [▼] keys to select Range menu and press [E]. When “Range” is selected
menu provides any choices of ranges available for the gas type selected. Use the [▲] or [▼] keys
to select the desired range. If the “User” range is selected, use the [▲] or [▼] keys to adjust the
high end of the range desired.
Factory Range Set-up
Model Range Other Available
5100-03-IT 5-25% 0-25%
5100-04-IT
0-500 PPM Variable
5100-05-IT 0-100 PPM Variable
5100-06-IT 0-10 PPM None
5100-08-IT 0-3 PPM None
5100-10-IT 0-100 PPM Variable
5100-12-IT 0-20 PPM None
5100-21-IT 0-20 PPM None
5100-25-IT 0-100 PPM Variable
5100-26-IT 0-10 PPM None
5100-88-IT 0-5000 PPM Variable
• 4-20mA: Use the [▲] or [▼] keys to select Calib or CalibOut menu and press [E]. The “Calib”
section of the menu allows the user to calibrate the 4 mA and 20 mA outputs. To calibrate the 4 mA
and 20 mA outputs it is necessary to have an amp meter connected to the 5100-XX-IT and upon
selecting the 4 mA output calibration then the [▲] or [▼] keys can be used to adjust the 4 mA
reading on the amp meter until it reads 4 mA. Similar steps can then be performed for the 20 mA
output. The CalibOut section allows the user to select the 4-20 mA output action desired during
calibration. * indicates the current selected value. Available selections include:
Factory Alarm Set Points
Model Warning Alarm
5100-03-IT 19.5% 16.5%
5100-04-IT 50 PPM 100 PPM
5100-05-IT 10 PPM 20 PPM
5100-06-IT 2.0 PPM 5.0 PPM
5100-08-IT 0.3 PPM 1.0 PPM
5100-10-IT 10 PPM 20 PPM
5100-12-IT 2 PPM 4 PPM
5100-21-IT 5 PPM 10 PPM
5100-25-IT 25 PPM 50 PPM
5100-26-IT 2.0 PPM 5.0 PPM
5100-88-IT 1000 PPM 2500 PPM