Features and functions
Without integration into a superordinate automation system (stand-alone mode)
SIMA² is operated in stand-alone mode; the operation commands for the AUMA actuators
are entered manually by the operator via the user interface.
Standard:
Communication between SIMA² and
host
Modbus RTU in single-channel or redundant version
●
Communication to the DCS is established via RS-485 with Modbus RTU
●
Fieldbus termination can be activated at the RS-485 communication interfaces
●
Use of twisted, screened RS-485 copper cable in compliance with IEC 61158
●
Connection of the RS-485 communication cables via spring clamp terminals accessible
from the front side (hidden by hinged fold-out front doors)
Cross section of spring clamp terminals:
-
Single strand: 0.08 – 2.5 mm²
-
Fine stranded: 0.25 – 2.5 mm², with wire end sleeves up to 1.5 mm²
Configuration of the Modbus RTU communication parameters (baud rate, transmission
format, slave address) is made via the HMI user interface.
Supported baud rates: 0.3 – 115.2 kbit/s
Supported transmission formats: 8 data bits, 1 or 2 stop bits; parity: Even, Odd or None.
Supported Modbus function codes:
●
01 Read Coil Status
●
02 Read Input Status
●
03 Read Holding Registers
●
04 Read Input Registers
●
05 Force Single Coils
●
06 Preset Single Registers
●
15 (0x0F) Force Multiple Coils
●
16 (0x10) Preset Multiple Registers
●
08 Diagnostics
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00 00 Loopback
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00 10 (0AHex) Clear Counters and Diagnostic Register
-
00 11 (0BHex) Return Bus Message Count
-
00 12 (0CHex) Return Bus Communication Error Count
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00 13 (0DHex) Return Bus Exception Error Count
-
00 14 (0EHex) Return Slave Message Count
-
00 15 (0FHex) Return Slave No Response Count
-
00 16 (10Hex) Return Slave NAK Count
-
00 17 (11Hex) Return Slave Busy Count
-
00 18 (12Hex) Return Character Overrun Count
Options:
Modbus TCP/IP in single-channel or redundant version
●
Communication via DCS is established via Ethernet, 10 Base-T or 100 Base-T (IEEE
802.3) using Modbus TCP/IP
●
Up to four simultaneous Modbus TCP/IP connections
●
10/100 Mbit/s
Configuration of the Modbus TCP/IP communication parameters (IP address and subnet
mask, port as well as Unit ID) is made via the HMI user interface.
Communication in Modbus data format via TCP/IP protocols
For redundant version: Connection to identical or to different subnets possible (option).
Supported Modbus function codes:
●
01 Read Coil Status
●
02 Read Input Status
●
03 Read Holding Registers
●
04 Read Input Registers
●
05 Force Single Coils
●
06 Preset Single Registers
●
15 (0x0F) Force Multiple Coils
●
16 (0x10) Preset Multiple Registers
34
SIMA² Master Station
Technical data
MODBUS RTU, MODBUS TCP/IP to DCS
Summary of Contents for SIMA 2
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