Configuring Input-Output Logic - Deif IMD 100 Series Integration Manual

IMD 100 Integration manual 4189360015 Rev. G
o Not OK: safety chain inputs must be not OK (safety chain tripped) to enter manual operation
mode

8.4.9 Configuring input-output logic

Attention
Configuration of external fan control (if mounted in the IMD) and limit switch are mandatory.
The logical mapping to inputs and outputs is done in the "Input-output logic" group.
The mandatory definitions are:
•
Limit S.: At least one limit switch must be defined as "Ref. Plus". If no "Ref Plus" is defined the
safety run will always end with timeout. Ensure that the correct polarity for the switch is defined.
•
Logic 8 => DO8 (IMD 122 B only):
It is recommended to configure the IMD so the fan cools automatically when needed according to
the following table:
Table 22 Fan start and stop
Reason for start
Output module temperature
Load on ballast resistor
Configuring the output as a logical output will automatically configure the fan function for the
recommended start and stop. Control of external fan connection (it is recommended to connect
the fan to DO 8). Operand 1 = In Block, Operation = On, Operand 2 = VarX, VarX = 0x300000
(VarX is one of the four logical variables: Var1, Var2, Var3, or Var4)
Operand 2 does not have to be Var2, but the same variable that is defined as Operand 2 must
also be defined as 0x300000. 0x300000 is a mask that enables Logic in block (Reg. 0x9B) bits 20
(status of Ballast load ≥ 25%) and 21 (Temp IGBT ≥ 60º C). if any of these flags equals one, the
fan will be turned on.
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Start (approximately)
Above 60 ºC
Above 25 %
IMD configuration
Stop (approximately)
Below 55 ºC
Below 12.5 %
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