22
ABB Automation
1MRS 750109-MUM
Router Option Card for Lon
Star Coupler
RER 111
SROUT
When the fibre-optic interface is connected to router side A, these values must be
used for router option card side A, too.
Table 3: Configuration structure fields and values programmed for router
option card side B (open collector bus) during manufacturing
Field of a structure
Value
Offset
/ # of bits Remarks
channel_id
0x0000
0x0016
/ 16
location
0
0x02
/ 6*8
set during installation
comm_clock
0
0x08
/ 5
= input_clock / 8: 1,25Mb/s
input_clock
5
/ 3
= 10 Mhz
comm_type
1
0x09
/ 3
= single_ended
comm_pin_dir
0x0E
/ 5
= dir.mode - single_ended
preamble_length
6
0x0A
/ 8
= 240
µ
s
packet_cycle
4
0x0B
/ 8
= 4 ms
beta2_control
0
0x0C
/ 8
xmit_interpacket
0
0x0D
/ 8
recv_interpacket
0
0x0E
/ 8
node_priority
0
0x0F
/ 8
= no priority slot allocated
channel_priorities
30
0x10
/ 8
number of priority slots
collision_detect
1
0x11
/ 1
= enabled
bit_sync_threshold
0
/ 2
= number of bits: 4
filter
0
/ 2
hysteresis
0
/ 3
cd_to_end_packet
1
0x12
/ 6
cd_tail
1
/ 1
cd_preamble
0
/ 1
non_group_timer
0
0x18
/ 4
= 128 ms
nm_auth
0
/ 1
= no authentication
preemption timeout
5
/ 3
= 10 sec
Table 4. Default routing parameter values for router option card side B (open
collector bus).
Routing algorithm:
Repeater
Router mode:
Normal
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