Mã hàng: 6ES7231-4HA30-0XB0
SIMATIC S7-1200, ANALOG INPUT SB
1231, 1 AI, +/- 10V DC (12 BIT RES.) OR
0 - 20 MA

Mã hàng: 6ES7231-4HD32-0XB0
SIMATIC S7-1200, ANALOG INPUT,
SM 1231, 4 AI,
+/-10V, +/-5V, +/-2.5V,
OR 0-20MA/4-20 MA,
12...

Mã hàng: 6ES7231-4HF32-0XB0
SIMATIC S7-1200, ANALOG INPUT,
SM 1231, 8 AI,
+/-10V, +/-5V, +/-2.5V,
OR 0-20MA/4-20 MA,
12...

Mã hàng: 6ES7231-5PA30-0XB0
SIMATIC S7-1200, RTD INPUT,
SB 1231 RTD, 1 AI RTD,
1 CHANNEL, PT 100 AND PT1000

Mã hàng: 6ES7231-5PD32-0XB0
SIMATIC S7-1200, ANALOG INPUT,
SM 1231 RTD, 4 X AI RTD MODULE

Mã hàng: 6ES7231-5PF32-0XB0
SIMATIC S7-1200, ANALOG INPUT,
SM 1231RTD, 8 X AI RTD MODULE,