Operating Instructions
Safety Relay with IO-Link ESM-CB
24
(Translation of the original operating instructions) 2522722-01-05/19
14.2. Process-data structure and addressing
Refer to the following illustration and the associated table for the structure of the process data and for the addressing of
a BR safety switch chain.
DIA
PWR
STATE1
STATE2
K1/K2
IO-Link
24
L-
L+
C/Q
ID/C
S10
S11
A1 A2 S21
S14
S34
S32
S12
23
14
13
ESM
-CB
OM
OM
Address 0
Address 2
Address 3
Address 4
Address 5
Address 6
Address 7
Address 1
Figure 8:
Addressing
Byte
0
1
2
3
4
5
6
7
Input process data
ESM-CB
Device 1
CES1
Device 2
CES2
Device 3
CES3
Device 4
CES4
Device 5
CES5
Device 6
CES6
Device 7
CES7
Output process data
ESM-CB
–
–
–
–
–
–
–
Example: 7 x CES
IODD
Euchner-ESM_CB_158857_11x1-20181116-IODD1.1
is used
Byte
0
1
2
3
4
5
6
7
8
9
10
Input
I
ESM-CB
CES1
CES2
CES3
CES4
CES5
CES6
CES7
–
–
–
Output
O
ESM-CB
14.3. Cyclical data (process data)
Depending on the corresponding IODD, the device occupies 6/11/21/31 input process-data items and 1, 6, 11 or 16
output data items.
14.3.1. Input data
Byte 0 (IO-Link diagnostic bits/status of ESM-CB)
Bit
Description
Value
Bit 0
Sensor circuit S1
0: Sensor circuit S1 inactive
1: Sensor circuit S1 active
Bit 1
Sensor circuit S2
0: Sensor circuit S2 inactive
1: Sensor circuit S2 active
Bit 2
Output circuits K1 and K2
0: Output circuits K1 and K2 inactive
1: Output circuits K1 and K2 active
Bit 3
Start circuit
0: No start acknowledgment required
1: Start acknowledgment required
Bit 4 … bit 7
Error messages
See device status and error messages