HY-ALERTA™ 1600, Intrinsically Safe Area Hydrogen Monitor
OPERATING MANUAL
90000012 R8
Page 7 of 31
Figure 2: Hazardous Area and Associated Equipment
Table 1: Input and Output Parameters
Parameter
J1 Pins 2&3
(Power Supply)
J1 Pins 4&5
(4-20 mA loop)
J2 Pins 1&2, 3&4
(RS422 Rx&Tx)
Ui
11.5 V
26.7 V
3.7 V
li
3.27 A
91 mA
2.25 mA
Pi
9.41 W
611 mW
206 mW
Ci
0
68.2 nF
0
Li
0
0
0
Uo
n/a
n/a
5.9 V
Io
n/a
n/a
238 mA
Po
n/a
n/a
350 mW
Co
n/a
n/a
1000 uF
Lo
n/a
n/a
2.5 mH
Lo/Ro
n/a
n/a
404 uH/Ω
4
INSTALLATION
WARNING: IF THE UNIT IS INSTALLED IN A CLASSIFIED LOCATION THEN IT IS THE RESPONSIBILITY
OF THE USER AND INSTALLER TO MAKE CONNECTIONS TO RELATED EQUIPMENT IN A MANNER
CONSISTENT WITH THE LOCATION CLASSIFICATION.
4.1
ASSOCIATED EQUIPMENT
Only H2scan specified cables should be used with this Analyzer. The maximum length for
intrinsically safe operation of both the Power/Analog Cable and the Serial Interface Cable is 10
meters. Refer to the Appendix for Control Drawings.
When operated in a hazardous area, the HY-
OPTIMA™ 1700 Analyzer must be connected to
appropriately certified barriers located in a non-hazardous area. The following barriers are approved
for use with this device for an Intrinsically Safe implementation: