LumaSense Technologies IS 6 Advanced - Manual (Page 16)

IS 6 Advanced / IGA 6 Advanced Manual Controls and Installation · 16
Pin Color Function
K white +24 V DC power supply
A brown 0 V DC power supply
L green + I
Ausg.
analog output
B yellow – I
Ausg.
analog output
H gray
Targeting light activate / deactivate via
external switch (bridged with K)
J pink
External clearing of max. value storage
(bridge to K) or hold function*
G red DGND (GND for interface)
F black B1 (RS485) or RxD (RS232)
C violet A1 (RS485) or TxD (RS232)
D gray-pink B2 (RS485) (bridged with F)
E red-blue A2 (RS485) (bridged with C)
M orange
Screen only for cable extension,
don’t connect at the switchboard
*The connector pin J can be used for two different functions:
1. External clearing of the maximum value storage: When the pyrometer is in
operating mode, pin J can be used for external clearing of maximum value storage.
When external clearing is selected from the tclear dropdown menu, pin J is connected
for a short time to pin K (power supply voltage) to clear the stored maximum value. The
function “external clearing” is triggered when the clear time is set to “extern”.
2. Hold function: When the hold function mode is activated, the current temperature
reading is frozen as long as pin J and pin K are connected. (See section 4.5 for clear time
for the maximum value storage).
3.1.2 Connecting the pyrometer to a PC
The pyrometer is equipped with an RS485 serial interface. With the RS485, long transmission
distances can be realized and the transmission is, to a large extent, free of problems. The RS485
also allows several pyrometers to be connected in a bus system.
If an RS485 connection is not available at the PC, it can be accomplished using the RS485 to USB
connector. When using a RS485 to USB adapter, make sure that the adapter is fast enough to
receive the pyrometer’s answer to an instruction of the master. Most of the commonly used
adapters are too slow for fast measuring equipment, so it is recommended to use the
RS485 ó USB converter “USB nano“ (ref. no. 3 852 600).
3.1.3 Connection to RS485
Half-duplex mode: A1 and A2 as well as B1 and B2 are bridged in the 12-pin round connector of
the connecting cable, to prevent reflections due to long stubs. It also safeguards against the
interruption of the RS485 bus system, should a connecting plug be pulled out. The master labels
mark the connections on the RS485 converter.
The transmission rate of the serial interface in Baud (Bd) is dependent on the length of the
cable. Adjusted values are from 1200 to 115200 Bd.