Omron 3G8F7-CRM21, Руководство пользователя

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Shared Memory Area Specifications
Section B-3
Detailed format
Error Counter
It is the error counter of the CompoNet Master Board.
The CompoNet Master Board processes retries, when it observes a
communications error on a Slave or Repeater Unit.
Name Access Description
Node causing a
communications
stop Read It stores the MAC address (or the address on
CompoNet protocol) of the Slave Unit or the
Repeater Unit that caused a communications
stop due to communications error.
[For Word IN/MIX Slave Unit]
MAC address = Node address
[For Word OUT Slave Unit]
MAC address = 64 + Node address
[For Bit IN/MIX Slave Unit]
MAC address = 128 + Node address
[For Bit OUT Slave Unit]
MAC address = 256 + Node address
[For Repeater Unit]
MAC address = 384 + Node address
StateStatus Read It stores the same content as ones in
StateStatus of the Basic status group.
Data rate Read It stores the data rate.
0: 4 Mbps
1: 3 Mbps
2: 1.5 Mbps
3: 93.75 kbps
Communications
cycle time Read It stores the present value for the communication
cycle time in units of 0.1 ms.
Maximum
communications
cycle time Read It stores the maximum value as the
communications cycle time in units of 0.1 ms.
The maximum communications cycle time must
be cleared first in order to measure the
maximum network cycle time.
Cumulative CRC
reception error Read It is the cumulative count of CRC errors.
It stops counting at 0xFFFF.
Cumulative code
reception error Read It is the cumulative count of Manchester
encoding errors.
It stops counting at 0xFFFF.
Communication
State Read Indicates the communications state.
0 to 2: Initial processing after participation,
3 to 4: IDLE state,
5: RUN state,
7: Communications stop state
Communications
stop mode Read It stores 0x0001 when the Communications stop
due to Communications Error Function is
enabled.
It stores 0x0000 when the Function is disabled.
Registration table
mode Read It stores 0x0001 when the Registration Table
Function is enabled.
It stores 0x0000 when the Function is disabled.