AE–1800 Instruction Manual
Installation
7.4.2. Controlling Receiver Operation via INS (RS–422) Port
To externally control receiver operation via the
RS–422
port, the equipment supports
the following command sentence (IEC 61162–1 format). Up to 10 commands will be
stacked and executed sequentially. Using the transmitter mask and message mask, the
user can select the station IDs and message types for message storage in the
non–volatile memory, for message output to the
RS–422
port (INS port) or to the
RS–232C
port (printer port). Message types A, B, D and L, however, cannot be rejected.
Previous selection/rejection settings manually entered via the keypad will be changed
accordingly.
$
- -
NRM
,
X
,
X
,
hhhhhhhh
,
hhhhhhhh
*
hh <
CR
> <
LF
>
①
②
③
④
⑤
⑥
①
Device identifier ( e.g. IN=INS device, AI=AIS)
②
Function code: 0 to 9
0 = request messages, 1 = set/report storage mask, 2 = set/report printer mask
3 = set/report INS mask, 4 to 9 = reserved
③
Frequency index: 1 to 9
1= 490 kHz, 2 = 518 kHz, 3 =4209.5 kHz, 4 to 9 = reserved
CAUTION: If the index for the second receiver that is not currently
selected is specified, the command will be ignored.
④
Transmitter ID mask in hex (32 bits in total)
LSB = station A, bit 1 = station B, bit 25 = station Z, bits 26 to 32 = reserved
To select a station, its corresponding bit should be set to “ 1.” To reject a station, its
corresponding bit should be set to “ 0.”
For example, to select only stations E, J, M and T for storage, or output to the INS or
printer port, set the transmitter ID masks as follows:
0 0 0 8 1 2 1 0
hex
0
0
0
8
1
2
1
0
(hex)
0000 0000 0000 1000 0001 0010
0001 0000 (binary)
ZY XWVU TSRQ PONM LKJI HGFE DCBA (station)
⑤
Message type mask in hex (32 bits in total):
LSB = type A, bit 1= type B, bit 25 = type Z, bits 26 to 32 = reserved
To select message types only A, B, D, F and L for storage or output to the INS or
printer port, set the message ID masks as follows:
0 0 0 0 0 8 2 B
hex
0
0
0
0
0
8
2
B
(hex)
0000 0000 0000 0000 0000 1000 0 010 1 0 1 1
(binary)
ZY XWVU TSRQ PONM LKJI HGFE
DCBA (type)
NOTE: Message types A, B, D and L must always be selected due to the relevant IMO
resolution, and their corresponding bits cannot be set to “0.”
⑥
Checksum in hex
The checksum value must be calculated by the user.
The current settings can be checked by a query command described in next paragraph.
