75
Version 17
Safe-E-
Stop™
User Guide
The Input registers follow the same structure as the EtherNet/IP messages, where the 64 bytes from the
EtherNet/IP messages are mapped to 32 Modbus 16-bit registers.
Table 27: Input Registers
M
ODBUS
R
EGISTER
A
DDRESS
MSB
LSB
R
EFERENCE
:
E
THER
N
ET
/IP
MESSAGES BYTES
#
1
Registers mapping
Revision
Input Registers
Update Counter
1, 2
2
System Address -
MSB
System Address
–
LSB
3, 4
3
MSD status
PSD1 ID
5, 6
4
PSD2 ID
PSD3 ID
7, 8
5
PSD4 ID
PSD5 ID
9, 10
6
Offending PSD ID
MSD display buttons
11, 12
7
(reserved)
(reserved)
13, 14
8
(reserved)
(reserved)
15, 16
9
PSD1
– Status byte 1
PSD1
– Status byte
2
17, 18
10
PSD1 - RSSI
PSD2
– Status byte
1
19, 20
11
PSD2
– Status byte 2
PSD2 - RSSI
21, 22
12
PSD3
– Status byte 1
PSD3
– Status byte
2
23, 24
13
PSD3 - RSSI
PSD4
– Status byte
1
25, 26
14
PSD4
– Status byte 2
PSD4 - RSSI
27, 28
15
PSD5
– Status byte 1
PSD5
– Status byte
2
29, 30
16
PSD5 - RSSI
(reserved)
31, 32
17
PSD1 responses
counter
PSD2 responses
counter
33, 34
18
PSD3 responses
counter
PSD4 responses
counter
35, 36
19
PSD5 responses
counter
(reserved)
37, 38
20 -32
(reserved)
(reserved)
39
– 64
Output Registers
32 output registers are implemented. No functions are defined for this release. Writing output registers have no
impact.