AAF International Shield Communications Module - Manual (Page 6)

6
9.0 Local Readout
The LCD on the front of the Communications Module has six (6)
screens.
1. The standard the device is currently configured to. The
Communications Module standard is set by the factory to the
standard of your choice. the choices in the standards are:
- Legacy Corrosion Control (ISA 71.04-1985)
- RoHS Corrosion Control (ASHRAE TC 9.9)
- or Museum & Archive
**Display charts of each standard, those on last page of SAAFShield brochure
GPF-1-140.
2. Temperature (ºC) and Relative Humidity (%)
3. Copper Corrosion Classification for the past 24 hours and the past
30 days
4. Silver Corrosion Classification for the past 24 hours and the past
30 days
5. Summary of the Environment’s Classification. This will report the
harshest of the classifications for the standard used
6. transmitting
19. Transmit Relative Humidity measurement in the range of 4-20mA
for 5 seconds.
20. Wait 2 seconds.
21. Send two 8.58 mA pulses of 1 second each with inter-pulse
pause of 1 second (set loop to 4mA during pause)
22. Wait 2 seconds.
23. Transmit Temperature measurement in the range of 4-20mA
for 5 seconds.
24. Wait 2 seconds.
25. Send two 8.58 mA pulses of 1 second each with inter-pulse
pause of 1 second (set loop to 4mA during pause)
26. Wait 2 seconds.
27. transmit the fault data for 5 seconds.
6 to 8 mA: Power supply out of tolerance
8 to 10 mA: Copper out of range
10 to 12 mA: Silver out of range
12 to 14 mA: Gold out of range
14 to 16 mA: Self diagnostic failed, replace board
16 to 18 mA: Invalid time/date
18 to 20 mA: other errors