Deif PPM 300 - Flowchart Symbols

19.3.5 Flowchart symbols
Symbol Symbol name
No
Yes
Decision
Process
Start or end
19.3.6 Module faceplate symbols
Table 19.4
Terminals
Symbol Symbol name
Frame ground
+
-
Power supply
L1, L2, L3 and N Three-phase voltage measurements
S1
S2
Current transformer
COM Common
Digital input
Relay output (normally open)
*
Relay with wire break detection (normally open)
Relay output (changeover relay, with normally open and normally closed terminals)
Analogue current or voltage input
Analogue current or resistance measurement input (RMI)
Magnetic pickup (MPU)
W W input (for a generator tacho output or NPN/PNP sensor)
Analogue current or voltage output
Pulse width modulation (PWM) output
Analogue input ground
Analogue output ground
DESIGNER'S HANDBOOK 4189340911K UK Page 511 of 521