Badger Meter SRD/SRI Valve Positioners - Manual (Page 20)

Two Binary In/Outputs – Code E
This option board is recommended for PST applications
Output
• 2 galvanically separated signals
• Limit signals / alarms freely configurable via local keys or
via communication
• Two-wire system, according to DIN 19234, for external
supply
Supply voltage 8…36V DC 1) 2)
Configured as
NAMUR signal
Limit value
not exceeded
< 1 mA
Limit value
exceeded
typ 6 mA
Device fault < 50 μA
Configured as On/
Off signal
Limit value
not exceeded
< 50 μA
Limit value
exceeded
> 20 mA/20 V / > 40
mA/10 V
(power derated)
Reference AB1 for upper, AB2 for lower limit
Terminals for AB1 3) A: 81+ B: 82–
Terminals for AB2 3) C: 83+ D: 84–
Input
The kind of Signals Input can be configured as On/Off or as
NAMUR signal in accordance (DIN 19234)
Configured as NAMUR signal:
Unloaded supply voltage
> 8 V
Input Logic 0 > 0 35 mA, < 1 mA
Logic 1 > 2 2 mA, < 6 mA
Input current
limited to
approx 6 mA
Configured as On/Off signal:
Input
Logic 0 < 4 mA
Logic 1 > 6 mA
Signal voltage
range
8…36 V 1)
1) Other values in hazardous areas
2) On request we can specify higher voltage limits
3) Terminals 81…84 are marked as K21…K32 within certificate of conformity
Electrical Classification ATEX
See PTB 00 ATEX 2128 Certificate
One module “Additional inputs / outputs” 8 can be plugged
onto main electronics 40:
• 2 binary inputs or
• 2 binary outputs or
• 2 binary in/outputs or
• Position feedback and alarm
DTM Configuration Window
Additional Equipment
Page 20 August 2014 POS-UM-00223-EN-02