Product data

DeltaV Product Data Sheet
October 2014 – Page 5 S-Series Electronic Marshalling
 28.8 VDC at 5 A switching current
 48 VDC at 0.4 A switching current
 250 VAC at 5 A switching current
The Thermocouple / mV Terminal Block is specially
designed for the usage with the Thermocouple / mV
CHARM. The Thermocouple / mV Terminal Block
has
fixed key positions to prevent a mismatch in the field
and can only be ordered as an Assembly with the
Thermocouple / mV CHARM
Although any signal type can be installed in any location
on the CHARM baseplates, it is recommended that AC
voltage circuits be separated from low voltage signals to
comply with safety recommendations and to mitigate
induced noise in the signals. Standard Terminal blocks,
Fused Injected Power terminal blocks and Relay Output
Blocks can be used on the same carrier, typically to allow
the use of DO 24 VDC isolated CHARMs on higher
wattage devices along side of standard 24 VDC
instrumentation signals or Relay contacts
CHARM Keying Posts
The Terminal Blocks contain keying posts that are
automatically set and locked to the unique position of the
installed CHARM. The keys prevent the insertion of an
incorrect CHARM during maintenance activities. They are
shipped in a neutral position and are set when a CHARM
is inserted. If needed, the keys can be manually reset to
allow a channel to be re-tasked for a different signal type.
CHARM standard Terminal block
The keying mechanism consists of two keying posts that
rotate and lock into the terminal block base. Each
CHARM type is assigned a unique key setting.
Hardware Specifications
Common Environmental Specifications (all components)
Operating temperature
-40 to 70 °C (-40 to 158 °F)
*
Storage temperature
-40 to 85 °C (-40 to 185 °F)
Relative humidity 5 to 95% , non-condensing
Protection rating IP 20, NEMA 12
Airborne contaminants ISA-S71.04-1985 Airborne Contaminants Class G3
Conformal coating
Shock 10 g ½-sine wave for 11 ms
Vibration 1 mm peak-to-peak from 2 to 13.2 Hz;
0.7 g from 13.2 to 150 Hz
*
When used with copper Ethernet I/O Ports (Copper IOP). When used with the Fiber Optic I/O Ports (Fiber Optic IOP),
the operating temperature range is limited to -40 to 60 °C (-40 to 140 °F).
*
When used with all CHARM Types except the DI 120 VAC Isolated Plus CHARM. When used with the DI 120 VAC
Isolated Plus CHARM, the operating temperature range is limited to -40 to 60 °C (-40 to 140 °F).