Philips PM2528 Operating Manual page 31

31
IEC-BUS INTERFACE PM9291
Via the [EC-bus interface, the PM2528 can be fully remote controlled, enabling the measuring result, including the
polarity, to be read out. The PM9291 consists of a galvanic separation plug-in card and an interface card.
Interface function repertoire
Interface function identification description
Serial poll possible
Function Talk only possible
Automatic unaddress possible
Talker function
Basic listener
Unaddress if MTA
Complete service request capability
(can be switched off via switsch "SRQ off}
No tocal Lock-out
"Return to local" (rtl) always false
Complete device trigger capability;
trigger is also possible via data byte E1
Listener function
Service Request
Remote Local
Device Trigger
Code specifications
Used code ISO — 7 — bit code (ISO 646)
Delimiters Input delimiter: Optional
Not required, ail delimiters are allowed.
Output delimiter: ETX * END
Bus driver specification
E1 Open-collector
I sink 48mA