MSA DF-8500 - Timeout; Wiring Diagram

DF-8500 Gas Detector
9.3 Timeout
The automatic calibration has a 4-
minute timeout; that is, the error code will appear if
the automatic calibration cannot be completed within 4 minutes. When no keys are
pressed for over 10 minutes, the menu will automatically return to the concentration
measurement mode from any other screen.
9.4
Wiring diagram
Faulty Low alarm High alarm
relay relay relay
EX d
Suprema
Gasgard/XL
9020/9010
8020
PLC/DCS
+24V
1. 24V DC
GND
2. 0V DC
4~20mA
3. 4~20mA
R
Load
max. = 300 ohm
63
EX d
Faulty Low alarm High alarm
relay relay relay
1. 24V DC
+24V
Suprema
Gasgard/XL
9020/9010
8020
PLC/DCS
2. 0V DC
GND
3. 4~20mA
4~20mA
R Load max. = 300 ohm