Beijer Electronics SCOM Protocol EN - Manual (Page 129)

Command Reference
Elektronik-Systeme Lauer, MAEN976 129
6.71 LAU_STATUS_DIGITALIN (0x0309)
Current Digital Input Pin State
Returns the current pin state at digital input port, if available.
Supported since Firmware Version
MT223 NAV-230G: 1.0
MT226 NAV-230G: 1.0-DSCALE2
Command Stream
Response Message (Acknowledge)
Response Message (Negative Acknowledge)
Under normal operation conditions, a device never sends a negative acknowledge in
response to this command.
Maximum Lr for this Command
9
Example
Read the current digital input port bit state of the monitor at address 0.7 (group 0,
address 7):
According to the data returned by the monitor at address 0.7 (group 0, address 7),
there is no signal at the input pins:
0 1 2 3 4 5 6 7...8 9
0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x03 0x09 ICHKD
0 1 2 3 4 5 6 7 8
0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD
Ret
Value: Bit 0:
Bit 1:
Bit 2:
Bit 3...7:
0: No signal at input port bit 0
1: Signal at input port bit 0 detected
0: No signal at input port bit 1
1: Signal at input port bit 1 detected
0: No signal at input port bit 2
1: Signal at input port bit 2 detected
unused
Type: Byte
Length: 1
Description: Digital I/O input port state
0 1 2 3 4 5 6 7...8 9
0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x03 0x09 0xF3
0 1 2 3 4 5 6 7 8
0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF