Rockwell Automation 440R MSR240P Minotaur Safety Relay User Manual
Page 6
Communication Module MSR240
6
Via RS485 following protocol is transmitted:
1. Start byte: 02
2. Address:
Address (0..31 dec)
3. Device Status:
bit0: 1: device ready for start / 0: not ready for start (or already busy)
bit1: 1: Stop signal, 0: all Inputs OK
bit2: 1: Cross fault, 0: No cross fault
bit3: 1: auto start, 0: monitored Start
bit4: 1:
relay energised /
0:
de-energised
bit5: 1: EDM dynamic / 0: Feedback loop static
bit6: 1: Feedback loop open if unit is ready
bit7: 1
4. Input Status of Modules 1-3:
bit0: Stop signal Base Module Input 1
bit1: Stop signal Base Module Input 2
bit2:
Stop
signal
EW1
Input1
bit3:
Stop
signal
EW1
Input2
bit4:
Stop
signal
EW2
Input1
bit5:
Stop
signal
EW2
Input2
bit6: Crossfault on input signal lines
bit7: 1
5. Input Status of Modules 4-6:
bit0: Stop signal EW3 Input1
bit1:
Stop
signal
EW3
Input2
bit2:
Stop
signal
EW4
Input1
bit3:
Stop
signal
EW4
Input2
bit4:
Stop
signal
EW5
Input1
bit5:
Stop
signal
EW5
Input2
bit6:
internal
failure
bit7: 1
6. Input Status of Modules 7-9:
bit0: Stop signal EW6 Input1
bit1:
Stop
signal
EW6
Input2
bit2:
Stop
signal
EW7
Input1
bit3:
Stop
signal
EW7
Input2
bit4:
Stop
signal
EW8
Input1
bit5:
Stop
signal
EW8
Input2
bit6:
unused
bit7: 1
7. Input Status of Modules 10-11:
bit0: Stop signal EW9 Input1
bit1:
Stop
signal
EW9
Input2
bit2:
Stop
signal
EW10
Input1
bit3:
Stop
signal
EW10
Input2
bit4:
unused
bit5:
unused
bit6:
unused
bit7: 1
8. XOR-Check:
XOR-connection of Bytes 2 - 7 (optional)
9. (8.) End byte:
03