Siemens MicroSAM, Operating Instructions Manual, Page: 111 / 138

Technical data
MicroSAM
Operating Instructions, 06/2012, C79000-G5376-C560-07
109
Permissible bridge power
Carrier gas Permissible bridge voltage Permissible bridge power
Argon (Ar) 700 mV 25 mW
Nitrogen (N
2
) 700 mV 30 mW
Helium (He) / hydrogen (H
2
) 1100 mV 70 mW
Electronics: Communication and analytical controller (CAC)
Microprocessor Intel 586 architecture
Flash EEPROM 128 MB
Dynamic RAM 64 MB
Operating system Windows CE 3.0/5.0
Software Preinstalled. Modifications or upgrades for operation PC locally
or downloadable via network
Electronics: Real-time signal processor (RSP)
Microprocessor Motorola 68376, 20 MHz
Flash EPROM 1 MB
Static RAM 1 MB
Operating system Forth
Software Preinstalled. Modifications or upgrades downloadable via
internal service interface
Interfaces
Communication 1 x Ethernet 10BaseT / TCP/IP
Control system coupling 1 x RS485 or RS232 / MODBUS RTU,
OPC (ODPC) over Ethernet (only MicroSAM)
Inputs/outputs: Basic equipment
Digital outputs (relay contact 0.4 A / 24 V DC) For devices of release version 4 onwards: 4, freely-usable *)
For devices up to release version 3: 2, freely-usable *)
Note:
The release version is present on the rating plate at "AS".
Digital inputs (24 V to optocoupler) For devices of release version 4 onwards: 4, of which 3 freely-usable *)
For devices up to release version 3: 2, of which 1 freely-usable *)
*) Extendable by NAU or I/O extender (only MicroSAM, SITRANS CV preassigned)