Siko AP04 User Manual

Communication via Service Protocol
AP04-RS485/SIKONETZ5 Date: 24.11.2016 Art. No. 86218 Mod. status 351/16 Page 23 of 38
7 Communication via Service Protocol
7.1 General
The service protocol enables parameterization and control of the position indicator via ASCII
commands. No additional devices must be connected to the RS485 interface since this
protocol is not bus-compatible.
An ASCII terminal sends a letter and additional parameters if required (ASCII).
Subsequently, the position indicator sends a reply with a concluding <CR>.
Available baud rates: 19.2 kBit / 57.6 kBit (factory setting) / 115.2 kBit
Additional settings: No parity, 8 data bits, 1 stop bit, no handshake
7.2 Error number encoding
The following error messages are returned with faulty entries.
Error number
Description
?1
input of illegal parameter number
?2
illegal value range
Table 12: Error number encoding
7.3 System Status Word
The system status word consists of 2 bytes and reflects the state of the actuator.
High Byte
Low Byte
Bit number
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
0
1
0
0
1
0
1
0
0
1
0
0
0
2
9
4
8
Fig. 5: Structure of system status word
Example (grey background):
binary:  0010 1001 0100 1000
hex:  2 9 4 8
The table below informs about the meaning of the individual bits:
Bit
Meaning
Value = 0
Value = 1
0
direction indication ">"
off
on
1
direction indication "<"
off
on
2
Speed error
not present
speed is or was too high
3
Target window2 dynamic
not reached
reached
4
Target window1 static
never reached
is or was reached
5
Target window1 dynamic
not reached
reached

Siko AP04 Specifications

General

Brand	Siko
Model	AP04
Category	Touch Panel
Language	English