The products range from industry renowned barriers and isolators through to sophisticated process control products; all have been designed for the harsh environments often encountered in the process industry.
For the majority of IS applications there is a choice of either a barrier or an isolator.
Use if existing system is predominantly barriers
Simple
Versatile
Low dissipation
Loop-powered
Restricted voltage available in hazardous area
Higher packing density
Safety earth fundamental
Lower cost
Good frequency response (100KHz)
Higher accuracy and linearity (0.1%)
Imposes a ‘0’ volt level on system
More vulnerable to lightning and other surges
Use if existing system is predominantly isolators
Complex ~ lower MTBF
Application specific
High dissipation (2VA)
Separate power supply
Higher voltage (power) available in hazardous and safe area
Lower packing density
Safety earth has reduced significance
Higher cost
Limited frequency response
Lower accuracy and linearity (0.25%)
Complete isolation between signals
Less vulnerable to lightning and other surges
The complete range of ground breaking Industrial Ethernet solutions including the Tofino™ Security Solution, the world’s first Intrinsically Safe Power Over Ethernet POEx™ and through our relationships with industry leading manufacturers a full range of economical Ethernet products.
The high-quality HMI & on-site operating stations for industrial and Ex-endangered production areas. The modular concept consisting of intrinsically safe components and the deliberate selection of high-quality materials allow GECMA HMI to be used under the strictest of hygienic conditions as well as in aggressive production environments. Even under temperature conditions of -30°C to +60°C there is no functional impairment.
