22
Possible values
Initial value Increment Lower value Upper value Remarks
Type of limit trans- upper Limit transgression
gression Limit 1: lower lower when exceeding or
Limit 2: upper off* dropping below value
Limit value Limit 1: 0.10 ppm 0.01 ppm 0.00 ppm 20.00 ppm *only with limit value relay
Limit 2: 1.50 ppm 0.01 ppm 0.00 ppm 20.00 ppm
Hysteresis limits 0.04 ppm 0.01 ppm 0.02 ppm 20 ppm Effective in direction of
cancelling limit trans-
gression.
Checkout time limits off 1 s 1 s 9999 s Results in message
∆t on and alarm. off = 0 s:
Function switched off,
no message, no alarm
Control on on
off
Switching direction active closed active closed Acts as N/O
Limit value 1, active open Acts as N/C
Limit value 2
Switch-on delay ∆t on 0 s 1 s 0 s 9999 s
Switch-off delay ∆t off 0 s 1 s 0 s 9999 s
If the limit is exceeded for longer than the “Delay time limit values” an error message is given, which must
be acknowledged, and the alarm relay circuit drops out. If “Controller” is also set to “off” the control
process stops.
Complete Operating Menu / Description
Limits
limits
setting ?
limit2 upper
1.50 ppm
limit1 lower
0.10 ppm
limits fault
hyst.: 0.04 ppm
∆t on: off
control: on
relay 1: GW1
- active closed
∆t on: 0 s
∆t off: 0 s
relay 2: GW2
- active closed
∆t on: 0 s
∆t off: 0 s
D1C2-Cl-035-GB
Access to all setting menus can be blocked with an access code !
BA_DM_173_03_09_GB.p65 30.03.2009, 12:10 Uhr22
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