Safety Relay Instruction Manual

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