Download Interface Control Document

ALMA Project
Doc # : ALMA-33.00.00.00-70.35.20.00-A-ICD
Date:
Interface Control Document
between AEM Antenna and ALMA
Computing, Control Software
Name
CAN ID
Description
Typical Interval
2011-08-05
Status: Draft
(Draft, Pending, Approved, Released, Superseded, Obsolete)
Page:
42 of 64
GET_ANTENNA_TEMPS
00 04 00 37
Antenna temperatures
5s
Bytes 0-1: (int16) Air temperature in receiver cabin. Value is in multiples of
0.01 degree C
Bytes 2-3: (int16) Temperature in pedestal. Value is in multiples of 0.01 degree
C12
Temperature values shall indicate if sensor is broken or disabled by returning
in the monitor point an extreme value, for example the maximum or minimum
value.
Returned data:
299.90 deg. C: +overflow
-299.90 deg. C: -overflow
299.91 deg. C: disconnected
299.92 deg. C: N/A (no sensor/sensor disabled)
Name
CAN ID
Description
Typical Interval
Data
GET_SW_REV_LEVEL
00 07 00 00
Revision level of vendor ACU code
(debug)
3 Bytes
byte 0 (ubyte): major revision level
byte 1 (ubyte): minor revision level
byte 2 (ubyte): patch level
ie. 0xXX 0xYY 0xZZ is interpreted as VXX.YY.ZZ
Name
CAN ID
Description
Typical Interval
Data
SELFTEST_RSP
00 04 00 40
Get self-test status
Rare
5 Bytes:
Byte 0: bit 0: self-test running (set = running)
bit 1: self-test completed (set = completed)
bit 2: self-test failed (set = failed)
Bytes 1-2 (int16): number of failing tests
Bytes 3-4 (int16): number of errors on the self-test error stack
12
The temperature of thermal sensor NR1 is returned; this sensor which is located on the base structure. The
temperature of the steel structure is measured.