| Discontinued product: | Replaced by: | 
| 2202D / 2202P - R/I transmitter | 3102 - Pt100 converter3112 - Pt100 converter - isolated
 4114 - Universal transmitter
 5114 - Programmable transmitter
 | 
| 2204 - Isolation amplifier | 3104 - Isolated converter4104 - Universal uni-/bipolar signal transmitter + 4500 - Communication interface series
 | 
| 2204HV - Isolation amplifier | 4114 - Universal transmitter | 
| 2204X2 | 4114 - Universal transmitter + 4500 - Communication interface series | 
| 2220 - Switchmode power supply | No replacement | 
| 2222 - Switchmode power supply | No replacement | 
| 2223 - Dual switchmode power supply | No replacement | 
| 2225 - Valve driver | 2224 - Valve controller | 
| 2229 - Switch mode voltage regulator | No replacement | 
| 2231 - Trip amplifier | 4131 - Universal trip amplifier 
(Current input 0/4...20 mA / DC voltage input 0...12 V) 4179B - Universal trip amplifier 
(AC current input 0...5 A RMS / AC voltage input 0...300V RMS) 5116A - Programmable transmitter 
(DC voltage input 0-250V) | 
| 2232 - Dual trip amplifier | 2231 - Trip amplifier | 
| 2237 - Trip amplifier | 4131 - Universal trip amplifier | 
| 2238 - Dual trip amplifier | 4131 - Universal trip amplifier | 
| 2240 - Transformer | No replacement | 
| 2241 - Dual trip amplifier | 2231 - Trip amplifier4131 - Universal trip amplifier
 | 
| 2255 - f/I-f/f converter | 5223 - Programmable f/I-f/f converter5225 - Programmable f/I-f/f converter
 | 
| 2271 - R/I transmitter / trip amplifier | 4116 - Universal transmitter 5116A - Programmable transmitter
 | 
| 2273 - 2-wire R/I transmitter | 3333 - Pt100 converter, loop-powered 6333A - 2-wire programmable transmitter
 | 
| 2279 - AC/DC transmitter | 4179 - Universal AC / DC transmitter | 
| 2281 - Ramp generator | No replacement | 
| 2284 - Isolation amplifier | 4184 - Universal uni-/bipolar signal transmitter | 
| 2285 - Loop-powered isolator | 3185 - Loop-powered isolator 6185 - Loop-powered isolator
 | 
| 2286 - Signal controller | No replacement | 
| 2287 - Pi step regulator | No replacement | 
| 2288 - Pulse interface | 5223A - Programmable f/I - f/f converter 5225 - Programmable f/I - f/f converter
 | 
| 2289 - Signal calculator | 5115A - Signal calculator | 
| 4501 - Display / programming front | 4500 - Communication interface series | 
| 4801 - Modbus gateway | No replacement | 
| 4802 - Modbus RTU/Profinet Gateway | No replacement | 
| 5102 - RTD transmitter | 3102 - Pt100 converter (Pt100) 4114 - Universal transmitter (Lin. R / Potm).
 | 
| 5104B - Ex repeater / power supply | Several options in the 9000 series depending on application - please contact your local PR representative. 5104B-U9 - Ex repeater / power supplyUL 913-approved version for US market only
 | 
| 5105B - Ex-isolated driver | Several options in the 9000 series depending on application - please contact your local PR representative. 5105B-U9 - Ex-isolated driverUL 913-approved version for US market only
 | 
| 5106B - HART transparent repeater | 9106B - HART transparent repeater 5106B-U9 - HART transparent repeaterUL 913-approved version for US market only
 | 
| 5107B - HART transparent driver | 9107B - HART transparent driver | 
| 5111 - Universal transmitter | 5116 - Programmable transmitter (no load cell application) 2261 - mV transmitter (for load cell, NB only non I.S. version)
 | 
| 5114 - Old versions | 5114 - New versions | 
| 5114B - Programmable transmitter | Several options in the 9000 series depending on application - please contact your local PR representative. | 
| 5115B - Ex signal calculator | No replacement | 
| 5131 - Old versions | 5131 - New versions | 
| 5132B - 2-wire transmitter | 5104B - Ex repeater / power supply | 
| 5133 - 2-wire RTD transmitter | 6333 - 2-wire programmable transmitter | 
| 5201 - 2-channel pulse isolator | 5202B - Pulse isolator | 
| 5203B - Ex solenoid / alarm driver | 9203B - Solenoid / alarm driver 5203B-U9 - Ex solenoid / alarm driverUL 913-approved version for US market only
 | 
| 5222 - Programmable I/f converter | 4222 - Universal I/f converter | 
| 5223B - Programmable f/I-f/f converter | No replacement | 
| 5331B - 2-wire programmable transmitter | 5331D - 2-wire programmable transmitter | 
| 5333B - 2-wire programmable transmitter | 5333D - 2-wire programmable transmitter | 
| 5335B - 2-wire HART transmitter | 5335D - 2-wire HART transmitter | 
| 5350 - Profibus PA / Foundation Fieldbus transmitter | 5450D PROFIBUS PA Temperature Transmitter | 
| 5420B - Ex power supply | No replacement | 
| 5511 - Universal indicator | 5715 - Programmable LED indicator | 
| 5514 - Programmable LED indicator | 5714B - Programmable LED indicator | 
| 5515 - Programmable LCD / LED indicator | 5714A - Programmable LED indicator | 
| 5531B1 / 5531B2 Loop-powered LCD indicator with field enclosure | 5531B without field enclosure | 
| 5905 - Loop Link - Ex / standard | 5909 - USB Loop Link (no Ex approval) | 
| 5905A - Loop Link - standard | 5909 - USB Loop Link | 
| 6335B - 2-wire HART transmitter | 6335D - 2-wire HART transmitter | 
| 6350 - Profibus PA / Foundation Fieldbus transmitter | TBA | 
| 7101 - Backplane | 7900 - Backplane | 
| 7300 - Backplane | 7900 - Backplane | 
| 7410C - Pt100 temperature sensor | 7411C - Wall-mounted Pt100 temperature sensor | 
| 9400X1 / X2 - Special length power rail | 9400_1 - Power rail 15 mm profile9400_2 - Power rail 7.5 mm profile
 | 
| 9420 - Power supply | 9421- Power supply |