42/18-54 EN Electro-pneumatic positioner TZID 43
6.2 Options
Supplementary module for analog feedback
Signal range 4...20 mA (split ranges configurable)
Two-wire circuitry, power supply 10...30 V DC
Standard or intrinsically safe version
Direct or reverse valve action (configurable)
Characteristic deviation < 1 %
(Whether the module is to be used for alarm reporting and whether the output is to be mod-
ulated to 3.5 or 21.5 mA can be configured.)
Supplementary module for digital feedback
3 switches for current circuits in accordance with DIN 19234
Control voltage 8...25 V DC
Signal current < 1.2 mA Switching state logical
“0”
Signal current > 2.1 mA Switching state logical “1”
Direction of action: Normally logical “0” or logical “1” (configurable)
Model standard or intrinsically safe
Switch assignment: 1 switch for alarms
2 switches for min. or max. position
(adjustable between 0 and 100 %)
Mechanical kit for digital position feedback
2 proximity switches for current circuits acc. to DIN 19234
Control voltage 5...25 V DC
Signal current < 1 mA switching state logical “0”
Signal current > 3 mA switching state logical “1”
Model standard or intrinsically safe
1
For min. or max. position,
Limits adjustable between 0 and 100 %
(Function independent of the positioner software and electronics)
Direction of action (logical state):
1. ATEX EEx ia IIC T1...T6
Proximity switch Position
< Lim. 1 > Lim. 1 < Lim. 2 > Lim. 2
SJ2-SN (NC) 0 1 1 0
SJ2-S1N (NO) 1 0 0 1
!
CAUTION
When using proximity switch type SJ2-S1N (NO) the TZIDC
positioner may be exposed to an ambient temperature of
-25 °C ... +85 °C, only.
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